Baytown weather in April

In April, Baytown sees average daytime highs of 78°F and overnight lows near 61°F, with 3.8 in of rain across 8.9 wet days and about 12.7 hours of daylight. It is the 7th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 75°F in the first days to 81°F by the end. The sky is clear or mostly clear about 33% 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 Baytown's 6th-clearest and 1st-windiest month. For the whole year in context, see Baytown's year-round climate.

Daytime high
78°
7th warmest
Overnight low
61°
6th coldest
Rainfall
3.8 in
8.9 wet days
Daylight
12 h 42 min
5:59 AM – 6:42 PM
Cloud cover
55%
6th clearest
Wind
9 mph
1st windiest
Solar energy
5.42 kWh/m²
Travel score
6.9
out of 10

Baytown is city in Harris County, Texas, United States.

Density
807/km²
people per km²
Founded
1948

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 75°F in the first days to 81°F by the end.

A typical April day in Baytown reaches about 78°F in the afternoon and slips back to 61°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 84°F. Set against its neighbours, April runs about 6°F warmer than March and about 7°F cooler than May.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17558
27558
37559
47559
57659
67659
77659
87659
97660
107660
117760
127760
137760
147760
157861
167861
177861
187861
197862
207962
217962
227962
237963
248063
258063
268064
278064
288164
298164
308165

How April really feels in Baytown

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.

Baytown weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.

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

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% 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 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24753
34753
44852
54852
64852
74951
84951
94951
104951
114951
125050
135149
145149
155248
165248
175248
185248
195248
205248
215248
225248
235248
245347
255347
265347
275347
285347
295347
305347

Chance of precipitation in April

Any precipitation

Baytown gets around 3.8 in of rain over 8.9 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 30% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
132
232
332
432
531
631
731
830
930
1029
1129
1229
1329
1429
1529
1629
1729
1829
1929
2029
2129
2230
2330
2430
2530
2630
2730
2830
2930
3030

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 28% of days. Sticky, muggy-or-worse air turns up on roughly 39% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1341720254
2341720255
3331720255
4331620246
5331621246
6331621246
7331521247
8321521247
9321522257
10311422257
11311422268
12301422268
13301322278
14291322288
15281322289
16271322299
17271321309
182613213010
192513203111
202414203111
212314203112
222214193213
232214193214
242114183215
252014183216
262014173217
271914173218
281914173120
291813163122
301813163023

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 6:17 AM to 5:44 AM, and sunset from 6:33 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:176:33
212.36:156:33
312.36:146:34
412.46:136:34
512.46:126:35
612.46:106:36
712.56:096:36
812.56:086:37
912.56:076:37
1012.56:066:38
1112.66:046:39
1212.66:036:39
1312.66:026:40
1412.76:016:40
1512.76:006:41
1612.75:596:42
1712.75:576:42
1812.85:566:43
1912.85:556:43
2012.85:546:44
2112.95:536:45
2212.95:526:45
2312.95:516:46
2412.95:506:47
2513.05:496:47
2613.05:486:48
2713.05:476:49
2813.15:466:49
2913.15:456:50
3013.15:446:50

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.42 kWh/m².

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 6.15 kWh/m² in July across the year — April's 5.42 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in April

Hazard calendar for Baytown

In seasonPeak

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

Baytown 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 Baytown?

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

6.9
Sightseeing
1st-best month of the year
6.4
Beach & pool
3rd-best month of the year

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

What to pack for Baytown in April

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

In April, Baytown sees daytime highs around 78°F and nights near 61°F. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Baytown 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 33 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 in Baytown 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 Baytown peaks around July 24 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 24UV 11Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Baytown 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 Baytown 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
Location & terrain

Where is Baytown?

Baytown sits at 29.7°N, 95.0°W, 26 ft above sea level, in United States. The nearest listed city is La Porte, 5.6 mi away.

Topography around Baytown

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

Within 2 miles, the terrain around Baytown has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 26 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 118 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 354 ft.

The land around Baytown is covered by trees (42%) and artificial surfaces (35%) within 2 miles, trees (28%), water (27%) and grassland (21%) within 10 miles, and trees (38%), water (22%) and grassland (20%) within 50 miles.

2 miles
66 ft
10 miles
118 ft
50 miles
354 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: La Porte 5.6 mi · Channelview 8.7 mi · Deer Park 9.3 mi · Cloverleaf 12 mi · Pasadena 14 mi · South Houston 16 mi · League City 17 mi · Dickinson 19 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 Baytown (29.7355°, -94.9774°, elevation 26 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).