Climateby Month

Galveston, TX weather in March

NOAA 1991-2020 normals and daily records · Galveston all year

In March, Galveston sees highs around 72°F and lows around 58°F: mild, with some rain. There are about 8 days with rain. Good for outdoor plans.

Normal high
72°F
Normal low
58°F
Wet days
8
3.0 in total
Muggy days
9
dew point 65°F+

How March changes from start to finish

Normal values at the start and end of March
March 1March 31
Normal high69°F75°F
Normal low55°F62°F
Chance of a wet day24%21%
Sunrise / sunset6:44 am / 6:18 pm7:09 am / 7:36 pm
Daylight11.6 h12.4 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).

A typical March day

  1. 6 am57°Fdew point 53°F
  2. 9 am62°Fdew point 54°F
  3. Noon69°Fdew point 52°F
  4. 3 pm72°Fdew point 52°F
  5. 6 pm68°Fdew point 52°F
  6. 9 pm62°Fdew point 54°F

NOAA hourly normals (local standard time) from Houston Intercont Airport (58 mi away); average wind 9 mph; clear or few clouds in 25% of daytime hours, mostly cloudy or overcast in 62%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F11 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph1 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more9 of 31
  • Wet daysat least 0.01 in of rain or melted snow8 of 31
  • Notable rainat least 0.10 in4 of 31
  • Freezing nightslow 32°F or below0 of 31

Average days per March, counted from daily records for each year 1991-2020.

Rain in March

Normal precipitation is 3.0 in; a dry March brings about 1.4 in and a wet one about 3.9 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.

How March varies from year to year

  • Warmest March, 1991-20202020: average high 76°F
  • Coolest March2010: average high 66°F
  • Wettest March2007: 9.1 in
  • Driest March2020: 0.3 in
  • Highest reading89°F (March 19, 2018)
  • Lowest reading32°F (March 4, 2002)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

March compared with February and April

FebruaryMarchApril
Normal high66°F72°F78°F
Normal low52°F58°F65°F
Wet days986
Comfortable days9119
Daylight11.2 h12.0 h12.9 h

Highs change by +6°F from February and +6°F into April.

How Galveston ranks in March

  • Normal high66th warmest of 378 cities; 18th of 38 in Texas
  • Wet days119th driest of 378
  • Comfortable days154th most of 339

Heating and cooling

March has 78 heating degree days and 84 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.

Questions

How hot is Galveston in March?

The normal high is 72°F and the normal low is 58°F. From 1991 to 2020 the hottest March reading was 89°F (March 19, 2018).

Does it rain a lot in Galveston in March?

About 8 days in March have at least 0.01 in of precipitation, and the normal total is 3.0 in. The wettest March in 1991-2020 was in 2007 (9.1 in); the driest was in 2020 (0.3 in).

Is March a good time to visit Galveston?

March ranks 1st of 12 months on our comfort score for Galveston (63 out of 100). It has about 11 comfortable days. The best months are March, April and November.

Where the numbers come from

  • Temperature and rain: Galveston Scholes Fld (USW00012923), 4.2 mi WSW of the city center, 5 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Houston Nwso (USC00414333), 21 mi NW of the city center, 19 ft . NOAA normals and daily records, 1991-2020.
  • Frost dates: Galveston (USW00012944), 0.2 mi SW of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Houston Intercont Airport (USW00012960), 58 mi NW of the city center, 95 ft (89 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Scholes Intl At Glston Apt (722420-12923), 4.5 mi WSW of the city center, 5 ft . Hourly observations, 1991-2020.