Bay City weather in April

In April, Bay City sees average daytime highs of 79°F and overnight lows near 62°F, with 3.3 in of rain across 8.5 wet days and about 12.7 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 77°F in the first days to 82°F by the end. The sky is clear or mostly clear about 35% of the time in April, and the air most often feels muggy.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 06 min by month's end. Set against the rest of the year, April is Bay City's 7th-clearest and 1st-windiest month. For the whole year in context, see Bay City's year-round climate.

Daytime high
79°
7th warmest
Overnight low
62°
6th coldest
Rainfall
3.3 in
8.5 wet days
Daylight
12 h 42 min
6:03 AM – 6:45 PM
Cloud cover
54%
7th clearest
Wind
9 mph
1st windiest
Solar energy
5.68 kWh/m²
Travel score
6.9
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 77°F in the first days to 82°F by the end.

A typical April day in Bay City reaches about 79°F in the afternoon and slips back to 62°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 72°F and 85°F. Set against its neighbours, April runs about 6°F warmer than March and about 6°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17660
27760
37760
47760
57760
67760
77761
87861
97861
107861
117861
127861
137962
147962
157962
167962
177962
188063
198063
208063
218064
228064
238164
248164
258164
268165
278265
288265
298265
308266

How April really feels in Bay City

Once humidity and wind are folded in, April averages 0 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
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Bay City weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 9th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24951
34951
45050
55050
65149
75149
85248
95248
105248
115347
125347
135446
145446
155446
165446
175545
185545
195446
205446
215446
225446
235446
245347
255446
265446
275446
285446
295545
305545

Chance of precipitation in April

Any precipitation

Bay City gets around 3.3 in of rain over 8.5 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
328
428
528
628
728
829
929
1029
1129
1228
1328
1428
1528
1628
1727
1827
1927
2027
2127
2227
2327
2426
2526
2626
2726
2826
2925
3025

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 43% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1321520285
2311520286
3311520286
4311520287
5301520277
6301521278
7301421278
8291421278
9291421288
10281421288
11271421298
12271421298
13261421309
14251421319
15251421329
16241420339
172314203310
182314203410
192214193411
202214193511
212114183512
222014183513
232014183514
241913173515
251913173517
261813163518
271813163419
281813153421
291712153423
301612143324

Wind in April

Winds average 9 mph in April, the windiest month of the year.

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

051015151015202530
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
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over April. Sunrise moves from 6:21 AM to 5:49 AM, and sunset from 6:36 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:216:36
212.36:206:37
312.36:186:37
412.36:176:38
512.46:166:39
612.46:156:39
712.46:146:40
812.56:126:40
912.56:116:41
1012.56:106:41
1112.66:096:42
1212.66:086:43
1312.66:076:43
1412.66:056:44
1512.76:046:44
1612.76:036:45
1712.76:026:46
1812.86:016:46
1912.86:006:47
2012.85:596:47
2112.85:586:48
2212.95:576:49
2312.95:566:49
2412.95:556:50
2512.95:546:50
2613.05:536:51
2713.05:526:52
2813.05:516:52
2913.05:506:53
3013.15:496:53

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.68 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 — April's 5.68 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.3Bright
55.3Bright
65.4Bright
75.4Bright
85.5Bright
95.5Bright
105.5Bright
115.6Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
266.0Bright
276.0Bright
286.0Intense
296.0Intense
306.0Intense
Planning a trip in April

Hazard calendar for Bay City

In seasonPeak

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

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 April a good time to visit Bay City?

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

6.9
Sightseeing
3rd-best month of the year
6.7
Beach & pool
3rd-best month of the year

April is a reasonable time to visit Bay City for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Bay City in April

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

In April, Bay City sees daytime highs around 79°F and nights near 62°F. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Bay City in April

The nearest coast averages about 71°F in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).