Lake Jackson weather in May

In May, Lake Jackson sees average daytime highs of 84°F and overnight lows near 71°F, with 3.3 in of rain across 10.1 wet days and about 13.4 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 81°F in the first days to 86°F by the end. The sky is clear or mostly clear about 39% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 13 h 06 min at the start of May to 13 h 42 min by month's end. Set against the rest of the year, May is Lake Jackson's 5th-clearest and 5th-windiest month. For the whole year in context, see Lake Jackson's year-round climate.

Daytime high
84°
5th warmest
Overnight low
71°
8th coldest
Rainfall
3.3 in
10.1 wet days
Daylight
13 h 24 min
5:35 AM – 7:01 PM
Cloud cover
51%
5th clearest
Wind
9 mph
5th windiest
Solar energy
6.22 kWh/m²
Travel score
5.7
out of 10

Lake Jackson is city in Brazoria County, Texas, United States.

Density
508/km²
people per km²
Founded
1944

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 81°F in the first days to 86°F by the end.

A typical May day in Lake Jackson reaches about 84°F in the afternoon and slips back to 71°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 79°F and 88°F. Set against its neighbours, May runs about 6°F warmer than April and about 5°F cooler than June.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18167
28167
38167
48268
58268
68268
78269
88269
98369
108369
118370
128370
138370
148370
158470
168471
178471
188471
198471
208571
218572
228572
238572
248572
258673
268673
278673
288673
298674
308774
318774

How May really feels in Lake Jackson

Once humidity and wind are folded in, May averages 9 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
9
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Lake Jackson weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan64° / 48°3.79.610.45.8
Feb67° / 52°2.77.9116.3
Mar72° / 57°3.28.511.87.0
Apr78° / 63°3.38.712.77.0
May84° / 71°3.310.113.45.7
Jun89° / 76°4.013.113.84.1
Jul90° / 77°3.413.313.73.6
Aug91° / 77°3.613.6133.5
Sep87° / 73°4.713.812.24.4
Oct81° / 65°4.19.411.36.7
Nov72° / 56°3.98.910.57.0
Dec66° / 50°3.69.110.26.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35743
45743
55644
65743
75743
85743
95743
105842
115842
125842
135941
145941
155941
166040
176139
186139
196238
206337
216337
226436
236436
246535
256535
266634
276634
286733
296733
306733
316733

Chance of precipitation in May

Any precipitation

Lake Jackson gets around 3.3 in of rain over 10.1 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
128
228
329
429
529
630
730
830
931
1031
1131
1232
1332
1433
1533
1633
1733
1833
1934
2034
2134
2234
2334
2435
2535
2636
2736
2836
2937
3037
3138

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the oppressive band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 80% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
112131331300
211131330320
311121330340
410121329360
59111229381
69101228391
78101228411
8891228421
9791228431
10681228451
11681227452
12571227462
13571227472
14561227482
15461128483
16461128493
17451028494
18351028494
1934928515
2034928506
2134828516
2224727537
2323627557
2423626558
2513526578
2612425599
2712424609
28123236110
29013226311
30013216312
31012206413

Wind in May

Winds average 9 mph in May.

Across May, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 06 min at the start of May to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over May. Sunrise moves from 5:46 AM to 5:28 AM, and sunset from 6:52 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:466:52
213.15:456:53
313.25:446:53
413.25:436:54
513.25:426:54
613.25:426:55
713.25:416:56
813.35:406:56
913.35:396:57
1013.35:396:58
1113.35:386:58
1213.45:376:59
1313.45:376:59
1413.45:367:00
1513.45:357:01
1613.45:357:01
1713.55:347:02
1813.55:337:03
1913.55:337:03
2013.55:327:04
2113.55:327:04
2213.65:317:05
2313.65:317:06
2413.65:307:06
2513.65:307:07
2613.65:307:07
2713.65:297:08
2813.75:297:09
2913.75:297:09
3013.75:287:10
3113.75:287:10

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.22 kWh/m².

For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 6.3 kWh/m² in July across the year — May's 6.22 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in May

Hazard calendar for Lake Jackson

In seasonPeak

None of Lake Jackson's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Lake Jackson 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

Is May a good time to visit Lake Jackson?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.7
Sightseeing
8th-best month of the year
7.0
Beach & pool
1st-best month of the year

May is a reasonable time to visit Lake Jackson for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Lake Jackson in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Lake Jackson sees daytime highs around 84°F and nights near 71°F. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Lake Jackson in May

The nearest coast averages about 77°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 12 mi away) is warmest in August at about 86°F and coldest in January near 61°F.

It's comfortable for a long swim from Apr 2 to Dec 1 — about 8 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan61Cool
Feb61Cool
Mar65Cool
Apr71Refreshing
May77Warm
Jun83Tropical
Jul85Tropical
Aug86Tropical
Sep84Tropical
Oct79Warm
Nov71Refreshing
Dec65Cool

UV index in Lake Jackson in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lake Jackson peaks around August 10 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 highHighModerateAug 10UV 11Dec 21UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar6High
Apr10Extreme
May10Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov5High
Dec4Moderate

Air quality in Lake Jackson in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Lake Jackson is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1521 µg/m³Nov 218 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar10Good
Apr10Good
May13Moderate
Jun17Moderate
Jul21Moderate
Aug15Moderate
Sep11Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Lake Jackson?

Lake Jackson sits at 29.0°N, 95.4°W, 13 ft above sea level, in United States. The nearest listed city is Angleton, 9.3 mi away.

Topography around Lake Jackson

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

Within 2 miles, the terrain around Lake Jackson has only modest variations in elevation — a maximum elevation change of 69 ft around an average of 23 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 144 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 213 ft.

The land around Lake Jackson is covered by trees (51%) and artificial surfaces (25%) within 2 miles, grassland (32%), trees (31%) and wetland (22%) within 10 miles, and water (36%), grassland (22%) and trees (21%) within 50 miles.

2 miles
69 ft
10 miles
144 ft
50 miles
213 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Angleton 9.3 mi · Alvin 29 mi · Bay City 32 mi · Fresno 35 mi · La Marque 36 mi · Friendswood 37 mi · Dickinson 37 mi · Pearland 38 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 Lake Jackson (29.0339°, -95.4344°, elevation 13 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).