Alvin weather in March

In March, Alvin sees average daytime highs of 72°F and overnight lows near 56°F, with 3.5 in of rain across 9.1 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 69°F in the first days to 74°F by the end. The sky is clear or mostly clear about 31% 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 Alvin's 9th-clearest and 2nd-windiest month. For the whole year in context, see Alvin's year-round climate.

Daytime high
72°
8th warmest
Overnight low
56°
5th coldest
Rainfall
3.5 in
9.1 wet days
Daylight
11 h 48 min
6:37 AM – 6:24 PM
Cloud cover
58%
9th clearest
Wind
9 mph
2nd windiest
Solar energy
4.49 kWh/m²
Travel score
6.8
out of 10

Alvin is city in Brazoria County, Texas, United States.

Density
388/km²
people per km²
Founded
1893

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 69°F in the first days to 74°F by the end.

A typical March day in Alvin reaches about 72°F in the afternoon and slips back to 56°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 62°F and 80°F. Set against its neighbours, March runs about 5°F warmer than February and about 6°F cooler than April.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16952
26952
36952
46953
56953
67053
77053
87054
97054
107054
117155
127155
137155
147155
157256
167256
177256
187256
197357
207357
217357
227357
237358
247458
257458
267458
277458
287458
297459
307559
317559

How March really feels in Alvin

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.

Alvin weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan63° / 46°4.09.810.35.7
Feb66° / 50°3.28.810.96.1
Mar72° / 56°3.59.111.86.8
Apr78° / 62°3.78.612.77.0
May84° / 69°3.410.113.55.7
Jun89° / 75°4.313.213.84.0
Jul90° / 76°3.713.113.73.5
Aug91° / 76°3.913.813.13.4
Sep87° / 72°4.912.712.24.5
Oct80° / 63°4.39.111.36.8
Nov71° / 54°4.08.410.57.0
Dec65° / 48°4.09.310.16.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24456
34456
44555
54555
64555
74555
84555
94555
104456
114555
124555
134555
144654
154654
164654
174753
184753
194753
204753
214753
224753
234852
244951
254852
264852
274753
284654
294753
304753
314654

Chance of precipitation in March

Any precipitation

Alvin gets around 3.5 in of rain over 9.1 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 29% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
330
430
530
630
730
830
930
1030
1130
1230
1330
1430
1529
1629
1729
1828
1928
2028
2128
2228
2328
2428
2528
2629
2729
2830
2930
3030
3131

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 44% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1561416140
2571316140
3561316150
4561316150
5551316160
6541317160
7541317160
8521417170
9511418170
10511418170
11481519180
12471519180
13461520180
14451620190
15441620190
16431721190
17421721191
18411721201
19401722201
20391722211
21381722221
22371722221
23371722231
24361622242
25361622242
26351621252
27351621253
28341621263
29341621263
30331621264
31331621274

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 6:54 AM to 6:19 AM, and sunset from 6:14 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:546:14
211.46:536:15
311.46:526:16
411.46:516:16
511.56:506:17
611.56:496:18
711.56:486:18
811.56:476:19
911.66:456:20
1011.66:446:20
1111.66:436:21
1211.76:426:22
1311.76:416:22
1411.76:406:23
1511.86:386:23
1611.86:376:24
1711.86:366:25
1811.86:356:25
1911.96:346:26
2011.96:326:26
2111.96:316:27
2212.06:306:28
2312.06:296:28
2412.06:286:29
2512.16:266:29
2612.16:256:30
2712.16:246:31
2812.16:236:31
2912.26:216:32
3012.26:206:32
3112.26:196:33

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.49 kWh/m².

For context, solar energy here swings from a low near 2.65 kWh/m² to a high of 6.23 kWh/m² in July across the year — March's 4.49 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.9Moderate
24.0Moderate
34.0Bright
44.0Bright
54.1Bright
64.1Bright
74.1Bright
84.2Bright
94.2Bright
104.2Bright
114.3Bright
124.3Bright
134.4Bright
144.4Bright
154.5Bright
164.5Bright
174.5Bright
184.6Bright
194.6Bright
204.7Bright
214.7Bright
224.7Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
315.0Bright
Planning a trip in March

Hazard calendar for Alvin

In seasonPeak

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

Alvin 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 Alvin?

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

6.8
Sightseeing
3rd-best month of the year
4.8
Beach & pool
8th-best month of the year

March is a reasonable time to visit Alvin for sightseeing.

What to pack for Alvin in March

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

In March, Alvin sees daytime highs around 72°F and nights near 56°F. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Alvin in March

The nearest coast averages about 64°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 22 mi away) is warmest in August at about 86°F and coldest in January near 59°F.

It's comfortable for a long swim from Apr 3 to Nov 25 — about 7.8 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan59Cool
Feb60Cool
Mar64Cool
Apr71Refreshing
May78Warm
Jun83Tropical
Jul85Tropical
Aug86Tropical
Sep84Tropical
Oct78Warm
Nov70Refreshing
Dec63Cool

UV index in Alvin in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Alvin peaks around July 20 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 highHighModerateJul 20UV 11Dec 21UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar6High
Apr10Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Alvin 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 Alvin 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 Alvin?

Alvin sits at 29.4°N, 95.2°W, 43 ft above sea level, in United States. The nearest listed city is Friendswood, 7.5 mi away.

Topography around Alvin

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

Within 2 miles, the terrain around Alvin has only modest variations in elevation — a maximum elevation change of 52 ft around an average of 43 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 161 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 253 ft.

The land around Alvin is covered by trees (48%) and grassland (30%) within 2 miles, trees (42%) and grassland (40%) within 10 miles, and trees (29%), water (29%) and grassland (21%) within 50 miles.

2 miles
52 ft
10 miles
161 ft
50 miles
253 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
March weather nearby: Friendswood 7.5 mi · Pearland 9.9 mi · League City 11 mi · Dickinson 12 mi · Fresno 14 mi · South Houston 17 mi · La Marque 17 mi · Pasadena 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 Alvin (29.4239°, -95.2441°, elevation 43 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).