Bay City weather in March

In March, Bay City sees average daytime highs of 73°F and overnight lows near 56°F, with 3.2 in of rain across 7.7 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 70°F in the first days to 76°F by the end. The sky is clear or mostly clear about 33% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of March to 12 h 12 min by month's end. Set against the rest of the year, March is Bay City's 9th-clearest and 2nd-windiest month. For the whole year in context, see Bay City's year-round climate.

Daytime high
73°
8th warmest
Overnight low
56°
5th coldest
Rainfall
3.2 in
7.7 wet days
Daylight
11 h 48 min
6:40 AM – 6:27 PM
Cloud cover
57%
9th clearest
Wind
9 mph
2nd windiest
Solar energy
4.63 kWh/m²
Travel score
7.1
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 March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 70°F in the first days to 76°F by the end.

A typical March day in Bay City reaches about 73°F in the afternoon and slips back to 56°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 64°F and 81°F. Set against its neighbours, March runs about 6°F warmer than February and about 6°F cooler than April.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17053
27053
37153
47153
57153
67154
77154
87154
97255
107255
117255
127255
137356
147356
157356
167357
177457
187457
197457
207458
217458
227558
237558
247558
257559
267559
277659
287659
297659
307660
317660

How March really feels in Bay City

Once humidity and wind are folded in, March 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

March 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 March compares with the rest of the year at a glance. March is the 8th-warmest and 11th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24654
34555
44555
54555
64555
74555
84456
94555
104555
114654
124654
134753
144951
154951
164951
175050
185050
195050
205149
215149
225149
235149
245149
255149
265149
275149
285050
294951
304951
314951

Chance of precipitation in March

Any precipitation

Bay City gets around 3.2 in of rain over 7.7 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
427
527
627
727
827
927
1027
1127
1227
1327
1427
1526
1626
1726
1825
1925
2025
2124
2224
2324
2424
2524
2624
2724
2825
2926
3026
3127

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1541318150
2541318150
3541318150
4531318160
5531318160
6521418160
7511418170
8501419170
9491519180
10471520180
11461520180
12451520190
13451520190
14431621200
15431621201
16421621211
17411621211
18401622221
19391622221
20381622231
21371622241
22371621251
23361621261
24361621261
25351621272
26351620272
27341620282
28341520283
29331520283
30331520284
31321520284

Wind in March

Winds average 9 mph in March.

Across March, 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.

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
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 18 min at the start of March to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over March. Sunrise moves from 6:57 AM to 6:22 AM, and sunset from 6:18 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:576:18
211.46:566:18
311.46:556:19
411.46:546:20
511.56:526:20
611.56:516:21
711.56:506:21
811.56:496:22
911.66:486:23
1011.66:476:23
1111.66:466:24
1211.76:456:25
1311.76:446:25
1411.76:426:26
1511.86:416:26
1611.86:406:27
1711.86:396:28
1811.86:386:28
1911.96:366:29
2011.96:356:29
2111.96:346:30
2212.06:336:31
2312.06:326:31
2412.06:306:32
2512.16:296:32
2612.16:286:33
2712.16:276:33
2812.16:266:34
2912.26:246:35
3012.26:236:35
3112.26:226:36

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.63 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 — March's 4.63 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.1Bright
34.1Bright
44.1Bright
54.2Bright
64.2Bright
74.3Bright
84.3Bright
94.3Bright
104.4Bright
114.4Bright
124.4Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.9Bright
234.9Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in March

Hazard calendar for Bay City

In seasonPeak

None of Bay City's seasonal hazards are active in March. 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 March a good time to visit Bay City?

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

7.1
Sightseeing
1st-best month of the year
5.5
Beach & pool
8th-best month of the year

March is one of the better times to visit Bay City for general sightseeing.

What to pack for Bay City in March

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

In March, Bay City sees daytime highs around 73°F and nights near 56°F. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near Bay City in March

The nearest coast averages about 65°F in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 7 — enough to warrant sun protection. 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 March

GoodModeratePoorUnhealthyVery unhealthy

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