World Resorts USA Galveston Island Weather

Galveston Island weather in March

Weather in Galveston Island: March

Average day temperature: 70.0°F
Average night temperature: 62.4°F
Sea water temperature: 66.0°F
Number of sunny days: 9 days
Day length: 11.6 - 12.5 hours
Number of rainy days: 1 day
Precipitation totals: 0.5 in.

Air temperature in March, °F

Show year:
2026
2025
2024

The highest day temperature during March of 2026 was 77°F. At the same time the lowest night temperature was 40°F. Daily and nightly averages during March were 70.2°F and 63.5°F.

Sea water temperature in Galveston Island in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 69.5°F. The highest and lowest sea temperatures during the month were 73.4°F and 63.5°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in March is almost equal.

Precipitation total in March, in.

Precipitation total value in Galveston Island in March is 0.5 in. Other months of the year show relatively similar values.

Wind speed in March, mph

The average wind speed value in March is 11.0 mph It makes March one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 6.3.

Best time for vacation in Galveston Island

Sunniest months:
October 18 days
September 14 days
November 14 days
Warmest months:
August 89.2 °F
July 88.3 °F
June 87.8 °F
Warmest sea temp:
August 87.5 °F
July 86.1 °F
September 85.1 °F
Coldest months:
January 58.6 °F
February 60.6 °F
December 63.4 °F
Rainiest months:
November 3 days
July 3 days
May 3 days
Windiest months:
April 11.7 mph
January 11.5 mph
May 11.0 mph

Galveston Island on a weather map

Galveston Island
+68°F
NW 19 mph
Feels like: +68°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+72°F
+72°F
+68°F
+59°F
+70°F
+72°F
+68°F
+34°F
+61°F
+55°F
+66°F
+66°F
+63°F
+50°F
24 Hours Forecast
Galveston Island
Local time: 04:38
April 09, thursday
0600
68°F
W
17 mph
0900
72°F
W
18 mph
1200
75°F
W
19 mph
1500
77°F
W
21 mph
1800
73°F
W
20 mph
2100
72°F
W
22 mph
April 10, friday
0000
72°F
NW
24 mph
0300
72°F
NW
21 mph
Units of measurement: °C / °F