Climate and average weather in Deer Park

In Deer Park, the summers are muggy, sweltering, showery, and partly cloudy and the winters are mild and partly cloudy.

Best: mid February to mid May

Over the course of the year, the temperature in Deer Park typically varies from 45°F to 91°F, and is rarely below 32°F or above 97°F. August is the hottest month of the year, while January is the coldest.

Based on the travel score, the best times of year to visit Deer Park for warm-weather activities are from mid February to mid May and early October to mid December.

Hottest
Aug
91°
Coldest
Jan
45°
Wettest
Sep
5.1 in
Driest
Feb
3.4 in
Rain / yr
50.3 in
131 wet days
Daylight
10.1–13.9 h
shortest–longest
Elevation
30 ft
29.7°N
Clearest
Oct
43% cloud

Deer Park is city in Texas, United States.

Founded
1948

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Deer Park weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around mid February to mid May.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in Deer Park, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

The hot season lasts 4.6 months, from May 17 to October 2, with daily high temperatures above 84°F. The hottest month of the year in Deer Park is August, with an average high of 91°F and low of 76°F.

The cool season lasts 2.9 months, from November 29 to February 23, with daily high temperatures below 68°F. The coldest month of the year in Deer Park is January, with an average low of 45°F and high of 63°F.

Days typically run about 17°F warmer than nights year-round.

40°60°80°100°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°F)Avg low (°F)
Jan6345
Feb6649
Mar7255
Apr7861
May8469
Jun8975
Jul9176
Aug9176
Sep8871
Oct8162
Nov7153
Dec6447

How hot and cold Deer Park really feels

Feels-like highFeels-like lowactual air temp

The felt-temperature range through the year — heat index on the day's high (summer humidity), wind chill on the night's low (winter wind). The dashed lines are the plain thermometer; the gap is how much hotter or colder it really feels.

On the hottest afternoons, once humidity is folded in, Deer Park feels like about 103°F (around August 5). About 124 days a year carry some heat stress, and 29 of them tip into dangerous heat (feels-like above 102°F), peaking in August.

40°60°80°100°JanFebMarAprMayJunJulAugSepOctNovDecdangerous heat
Feels-like high (°F)Air high (°F)Feels-like low (°F)Air low (°F)
Jan63634145
Feb66664649
Mar72725555
Apr78786161
May87846969
Jun97897575
Jul102917676
Aug102917676
Sep93887171
Oct81816262
Nov71715353
Dec64644347

Average hourly temperature in Deer Park

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on August afternoons, near 91°F, and coldest before dawn in January, near 45°F.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

Deer Park weather by month

Every month at a glance. Click a month for its detailed page.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan63° / 45°4.31010.35.5
Feb66° / 49°3.48.910.96.1
Mar72° / 55°3.99.611.86.8
Apr78° / 61°3.88.912.76.9
May84° / 69°3.810.413.55.5
Jun89° / 75°4.714.213.93.8
Jul91° / 76°3.91413.73.3
Aug91° / 76°4.514.513.13.1
Sep88° / 71°5.112.512.24.4
Oct81° / 62°4.38.911.36.8
Nov71° / 53°4.38.710.56.9
Dec64° / 47°4.41010.15.8

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

Deer Park gets about 50.3 in of precipitation a year. On a typical day the chance of rain is often wet, but that rises and falls sharply with the seasons.

The wetter season lasts 4.0 months, from around May 25 to Sep 22, peaking in August at about 50% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Oct 27.

September is the wettest month by volume, with 5.1 in over about 13 wet days; February is the driest, with 3.4 in.

0%10%20%30%40%50%60%JanFebMarAprMayJunJulAugSepOctNovDecdrierwetterdriermostly drysome rainoften wetvery wetAug 27 · 50%Oct 27 · 27%
Rain on a day (%)Rain days
Jan3210
Feb329
Mar3110
Apr309
May3410
Jun4614
Jul4614
Aug4715
Sep4113
Oct299
Nov299
Dec3210

Monthly rainfall

Over a full year, Deer Park collects about 50.3 in of rain across 131 wet days — roughly 4.2 in in an average month.

It doesn’t fall evenly. September is the wettest month with 5.1 in, while February is the driest at just 3.4 in. The three wettest months alone bring about 28% of the year’s total.

0123456JanFebMarAprMayJunJulAugSepOctNovDec4.33.43.93.83.84.73.94.55.14.34.34.4
Rainfall (in)Rain days
Jan4.310
Feb3.49
Mar3.910
Apr3.89
May3.810
Jun4.714
Jul3.914
Aug4.515
Sep5.113
Oct4.39
Nov4.39
Dec4.410

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In Deer Park, the average share of the sky covered by clouds shows moderate seasonal variation over the course of the year.

The clearer part of the year begins around September 4 and lasts for 2.5 months, ending around November 17. The clearest month is October, when the sky is clear, mostly clear, or partly cloudy 66% of the time on average.

The cloudier part of the year begins around November 18 and lasts for 5.6 months, ending around May 5. The cloudiest month is February, when it is overcast or mostly cloudy 59% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecOct 1 · 70%Feb 6 · 40%clearmostly clearpartly cloudymostly cloudyovercastcloudierclearercloudier
Clearer (%)Cloudier (%)
Jan4357
Feb4159
Mar4555
Apr5149
May5743
Jun6139
Jul5743
Aug5545
Sep6040
Oct6634
Nov5545
Dec4654

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around June 9, brings about 13 h 54 min of light; the shortest, around January 1, only 10 h 06 min — a swing of roughly 3 h 48 min.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan10.37:215:38
Feb10.97:076:03
Mar11.86:376:23
Apr12.75:596:42
May13.55:327:01
Jun13.95:247:18
Jul13.75:347:18
Aug13.15:526:57
Sep12.26:106:20
Oct11.36:275:44
Nov10.56:515:20
Dec10.17:145:20

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

Deer Park averages about 11 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 9 and 17 days.

The sunnier stretch runs 2.6 months, from around Sep 8 to Nov 24. The sunniest month is October, with roughly 15 sunny days (bright).

The greyest month is March, down near 9 sunny days — about 39% fewer than the October peak.

05101520JanFebMarAprMayJunJulAugSepOctNovDecgreyersunniergreyergloomymixedbrightOct 117 daysMar 29 days
Sunny daysSky
Jan10Mixed
Feb8Mixed
Mar10Mixed
Apr10Mixed
May11Mixed
Jun12Mixed
Jul11Mixed
Aug11Mixed
Sep13Mixed
Oct16Bright
Nov12Mixed
Dec10Mixed

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

In Deer Park, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 6.0 months, from around April 18 to October 16. The muggiest month is June, when the air feels humid, muggy or worse about 99% of the time.

The most comfortable stretch runs from around October 17 to April 17, and January is the most comfortable month — the air is dry or comfortable 85% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJan 28 · 86%Jun 27 · 0%miserablehumidoppressivecomfortablemuggydrycomfortablehumidcomfortable
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
Jan751010500
Feb651413900
Mar4616191810
Apr27142028110
May861130413
Jun013126024
Jul00135343
Aug01265041
Sep558184518
Oct25141620213
Nov5115141540
Dec681112910

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Across the year, average wind speed in Deer Park is typically calm, near 7 mph, and varies moderately with the seasons.

The windier part of the year lasts 7.0 months, from around Oct 29 to May 29. The windiest month is April, averaging about 9 mph (light breeze).

The calmer part of the year runs from around May 30 to Oct 28, with August the calmest month at about 6 mph.

051015JanFebMarAprMayJunJulAugSepOctNovDecwindiercalmerwindiercalmlight breezebreezyApr 16 · 9 mphAug 24 · 6 mph
Wind speed (mph)Feels
Jan8light breeze
Feb8light breeze
Mar9light breeze
Apr9light breeze
May8light breeze
Jun7calm
Jul6calm
Aug6calm
Sep6calm
Oct7calm
Nov8light breeze
Dec8light breeze

Hazard calendar for Deer Park

In seasonPeak

When the seasonal hazards worth planning around — the rainy season, tropical-cyclone risk and dust haze — are active through the year.

Deer Park sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Best time to visit Deer Park

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in Deer Park throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around mid February, Deer Park is still near the start of its best-weather window — great conditions with the peak-season crowds not yet at full swing.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 64°F and 82°F. Based on this score, the best times of year to visit Deer Park for general outdoor tourist activities run from early February to mid May and again from early October to mid December, with a peak score in the last week of October.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timebest timetravel scoretemperaturecloudsprecipitationOct 31 · 7.4

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan5.5good
Feb6.1good
Mar6.7good
Apr6.9good
May5.5good
Jun3.8fair
Jul3.3poor
Aug3.2poor
Sep4.4fair
Oct6.8good
Nov6.9good
Dec5.8good

The beach/pool score favors clear, rainless days with daytime highs between 75°F and 93°F. Based on this score, the best times of year to visit Deer Park for hot-weather activities run from early April to mid June and again from early September to early November, with a peak score in the first week of October.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebest timebeach/pool scoretemperaturecloudsprecipitationOct 3 · 7.3

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for Deer Park, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

For a warm-season trip around August (highs near 91°F), the essentials are light clothes, rain gear and sun protection. In the cold season around January (highs near 63°F), pack a warm layer and rain gear.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In August, Deer Park sees daytime highs around 91°F and nights near 76°F. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

Sea temperature near Deer Park

Average ocean temperature at the nearest coast, month by month, banded into swim-comfort zones — the other half of the beach question.

The sea at the nearest coast (about 38 mi away) is warmest in August at about 86°F and coldest in January near 58°F.

It's comfortable for a long swim from Apr 4 to Nov 21 — about 7.6 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan58Bracing
Feb59Cool
Mar64Cool
Apr71Refreshing
May78Warm
Jun83Tropical
Jul85Tropical
Aug86Tropical
Sep84Tropical
Oct78Warm
Nov69Refreshing
Dec62Cool

UV index (midday) in Deer Park by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

Under clear skies, the midday UV index in Deer Park peaks around July 20 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 20UV 11Dec 21UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar6High
Apr10Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Average hourly UV index in Deer Park

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in July the burn window is concentrated in the middle of the day: about 8.5 hours a day reach index 3 (protection recommended), and 6 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan40
Feb50
Mar62.5
Apr7.55
May8.56
Jun8.56
Jul8.56
Aug85.5
Sep74.5
Oct5.50.5
Nov4.50
Dec3.50

Air quality in Deer Park by month

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see which months the air is worst, not just the yearly average.

Air quality in Deer Park is worst in July — around 24 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1523 µg/m³Dec 2010 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar12Moderate
Apr12Moderate
May16Moderate
Jun20Moderate
Jul24Moderate
Aug18Moderate
Sep15Moderate
Oct11Good
Nov10Good
Dec10Good
Almanac & agriculture

Growing season

Chance of a frost-free dayReliably frost-free (≥90%)

Deer Park is mild enough that a frost-free day stays more likely than not even in midwinter. Nights are reliably above freezing from about January 19 to December 23 (339 days); outside that window a hard frost is an occasional risk.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecreliably frost-freeJan 1990%Dec 2390%
Frost-free chance (%)Frost nights
Jan904
Feb950
Mar990
Apr1000
May1000
Jun1000
Jul1000
Aug1000
Sep1000
Oct1000
Nov980
Dec910

Growing degree days

Degree days (base 50°F)Frost-free shaded

Growing degree days tally heat above 50°F: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. Deer Park banks about 7,268 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around July.

02,0004,0006,0008,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°F·days)
Jan122
Feb208
Mar413
Apr583
May825
Jun956
Jul1,038
Aug1,037
Sep886
Oct662
Nov364
Dec175

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

Deer Park receives about 4.6 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 2.6 and 6.1 kWh/m².

The brighter stretch of the year lasts 6.5 months, from around Mar 21 to Oct 4. The brightest month is July, averaging about 6.1 kWh/m² (intense).

The dimmest month is December, down near 2.6 kWh/m² — roughly 57% less than the July peak.

01234567JanFebMarAprMayJunJulAugSepOctNovDecdimmerbrighterdimmerdimmoderatebrightintenseJul 186.1 kWhDec 192.6 kWh
Solar energy (kWh/m²)Level
Jan2.9Moderate
Feb3.4Moderate
Mar4.4Bright
Apr5.4Bright
May5.9Bright
Jun6.0Intense
Jul6.2Intense
Aug5.7Bright
Sep4.9Bright
Oct4.2Bright
Nov3.1Moderate
Dec2.6Moderate

Where is Deer Park?

Deer Park sits at 29.7°N, 95.1°W, 30 ft above sea level, in United States. The nearest listed city is Channelview, 5.0 mi away.

Topography around Deer Park

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Deer Park.

Within 2 miles, the terrain around Deer Park has only modest variations in elevation — a maximum elevation change of 69 ft around an average of 30 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 210 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 354 ft.

The land around Deer Park is covered by artificial surfaces (50%), trees (21%) and grassland (21%) within 2 miles, trees (34%) and artificial surfaces (32%) within 10 miles, and trees (38%), grassland (23%) and water (20%) within 50 miles.

2 miles
69 ft
10 miles
210 ft
50 miles
354 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
Nearby: Channelview 5.0 mi · Pasadena 5.0 mi · Cloverleaf 5.6 mi · La Porte 6.8 mi · South Houston 7.5 mi · Baytown 9.3 mi · Friendswood 13 mi · League City 14 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Deer Park (29.7052°, -95.1238°, elevation 30 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).