Bay City weather in July

In July, Bay City sees average daytime highs of 91°F and overnight lows near 76°F, with 3.3 in of rain across 12.3 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 91°F through the month. The sky is clear or mostly clear about 40% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 13 h 48 min at the start of July to 13 h 24 min by month's end. Set against the rest of the year, July is Bay City's 6th-clearest and 10th-windiest month. For the whole year in context, see Bay City's year-round climate.

Daytime high
91°
2nd warmest
Overnight low
76°
12th coldest
Rainfall
3.3 in
12.3 wet days
Daylight
13 h 42 min
5:39 AM – 7:20 PM
Cloud cover
53%
6th clearest
Wind
6 mph
10th windiest
Solar energy
6.3 kWh/m²
Travel score
3.4
out of 10

Bay City is city in and the county seat of Matagorda County, Texas, United States.

Density
772/km²
people per km²

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 91°F through the month.

A typical July day in Bay City reaches about 91°F in the afternoon and slips back to 76°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 87°F and 96°F. Set against its neighbours, July runs about 2°F warmer than June and on par with August.

70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19176
29176
39176
49176
59176
69176
79176
89176
99176
109176
119176
129176
139176
149176
159176
169176
179176
189176
199176
209176
219276
229276
239276
249276
259276
269276
279276
289276
299276
309276
319276

How July really feels in Bay City

Once humidity and wind are folded in, July averages 31 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
31
11 feel dangerously hot (≥ 102°F)
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Bay City weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan64° / 47°3.59.310.46.0
Feb68° / 50°2.68.3116.4
Mar73° / 56°3.27.711.87.1
Apr79° / 62°3.38.512.76.9
May85° / 70°3.49.513.45.3
Jun90° / 75°4.012.213.83.8
Jul91° / 76°3.312.313.73.4
Aug92° / 76°3.612.4133.2
Sep88° / 72°4.513.112.24.2
Oct82° / 63°3.89.211.36.5
Nov73° / 55°3.58.710.67.1
Dec66° / 48°3.48.910.26.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35842
45842
55941
65941
75941
85941
95941
105941
115941
125842
135842
145842
155842
165842
175644
185644
195743
205743
215743
225743
235842
245842
255941
266040
276139
286238
296238
306337
316337

Chance of precipitation in July

Any precipitation

Bay City gets around 3.3 in of rain over 12.3 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
243
342
441
540
640
740
840
940
1040
1141
1241
1342
1442
1542
1642
1742
1841
1941
2041
2141
2241
2340
2440
2539
2638
2738
2837
2936
3036
3136

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11145836
21135936
31135936
41126036
50126136
60116236
70116335
80116335
90016435
100016435
110016435
120016435
130006535
140006535
150006535
160006535
170016435
180016336
190016336
200016336
210016237
220116137
230116038
240125938
250125938
260125938
270135838
280135838
290135937
300135937
310135937

Wind in July

Winds average 6 mph in July.

Across July, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 48 min at the start of July to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over July. Sunrise moves from 5:32 AM to 5:47 AM, and sunset from 7:22 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:327:22
213.85:337:22
313.85:337:22
413.85:337:22
513.85:347:22
613.85:347:22
713.85:357:22
813.85:357:22
913.85:367:22
1013.85:367:21
1113.75:367:21
1213.75:377:21
1313.75:377:21
1413.75:387:21
1513.75:387:20
1613.75:397:20
1713.75:397:20
1813.75:407:19
1913.65:417:19
2013.65:417:19
2113.65:427:18
2213.65:427:18
2313.65:437:17
2413.65:437:17
2513.55:447:16
2613.55:447:16
2713.55:457:15
2813.55:467:15
2913.55:467:14
3013.45:477:13
3113.45:477:13

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.3 kWh/m² — the sunniest month for solar.

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 — July's 6.3 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
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 July

Hazard calendar for Bay City

In seasonPeak

In July, Bay City sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Bay City 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 July a good time to visit Bay City?

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

3.4
Sightseeing
11th-best month of the year
6.0
Beach & pool
6th-best month of the year

July is a weaker month for outdoor sightseeing in Bay City.

What to pack for Bay City in July

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

In July, Bay City sees daytime highs around 91°F and nights near 76°F. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

Sea temperature near Bay City in July

The nearest coast averages about 85°F in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 25 mi away) is warmest in August at about 85°F and coldest in February near 62°F.

It's comfortable for a long swim from Apr 1 to Dec 5 — about 8.2 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan62Cool
Feb62Cool
Mar65Cool
Apr71Refreshing
May77Warm
Jun83Tropical
Jul85Tropical
Aug85Tropical
Sep84Tropical
Oct79Warm
Nov72Refreshing
Dec66Cool

UV index in Bay City in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bay City peaks around August 11 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 11UV 11Dec 21UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct7High
Nov5High
Dec4Moderate

Air quality in Bay City in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Bay City is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1520 µg/m³Nov 167 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar10Good
Apr11Good
May14Moderate
Jun17Moderate
Jul20Moderate
Aug15Moderate
Sep11Good
Oct7Good
Nov7Good
Dec7Good
Location & terrain

Where is Bay City?

Bay City sits at 29.0°N, 96.0°W, 52 ft above sea level, in United States. The nearest listed city is Lake Jackson, 32 mi away.

Topography around Bay City

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

Within 2 miles, the terrain around Bay City has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 52 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 112 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 249 ft.

The land around Bay City is covered by trees (38%) and grassland (38%) within 2 miles, grassland (47%), cropland (28%) and trees (23%) within 10 miles, and water (28%), grassland (27%) and trees (20%) within 50 miles.

2 miles
66 ft
10 miles
112 ft
50 miles
249 ft
treesgrasslandcroplandartificial surfaceswaterwetland
July weather nearby: Lake Jackson 32 mi · Angleton 35 mi · Rosenberg 41 mi · New Territory 46 mi · Pecan Grove 47 mi · Sugar Land 48 mi · Fresno 50 mi · Stafford 50 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 Bay City (28.9828°, -95.9694°, elevation 52 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).