Measurements:
°C
°F
Galveston Island
70°F
S 4 mph
Feels like: 70°F
Precip: 0%
World Resorts USA Galveston Island Weather May Weather in Galveston Island

Galveston Island Weather: May

Average Day Temperature: 85.5°F
Average Night Temperature: 76.7°F
Sea Water Temperature: 82.1°F
Number of Sunny Days: 9 days
Sunshine Hours: 13.3 - 13.9 hours
Number of Rainy Days: 4 days
Precipitation Totals: 2.0 in

Air Temperature in May, °F

Select Year: 2024 2023 2022

The highest day temperature in May 2024 was 88°F. The lowest night temperature was 77°F. The average values for day and night temperatures during May were 82.5°F и 80.9°F respectivly.

Galveston Island Water Sea Temperature in May, °F

Select Year: 2024 2023 2022

The average sea surface temperature in May 2024 for Galveston Island was 83.2°F. The maximum and minimum values were 77.8°F and 87.8°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Galveston Island is 2.0 in. It makes may the most rainy month of the year.

Wind Speed in May, mph

The average wind speed in May is 11.0 mph. It makes May one of the most windy months of the year for Galveston Island.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Galveston Island in May is 7.7 hours.

Best Time to Visit Galveston Island
The most sunny months:
October 16 days
June 14 days
September 13 days
The most warm months:
August 93.9 °F
July 92.9 °F
June 92.2 °F
Warmest sea temperature:
August 91.6 °F
July 90.1 °F
September 88.9 °F
The most cold months:
January 61.0 °F
February 61.8 °F
December 65.6 °F
The most rainy months:
May 4 days
July 4 days
November 4 days
The most windy months:
April 11 mph
May 11 mph
March 11 mph

Galveston Island on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +34
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +68
Los Angeles +74
Maui +74
Miami +80
New York +48
San Diego +70
San Francisco +58
Sarasota +74
Tampa +72
Washington +48
24 Hours Weather Forecast
Galveston Island
Local time: 15:50
21 nov, thursday
1800 74°F
N
5 mph
2100 70°F
E
9 mph
22 nov, friday
0000 68°F
SE
9 mph
0300 66°F
SE
9 mph
0600 66°F
S
11 mph
0900 64°F
S
11 mph
1200 68°F
S
11 mph
1500 72°F
S
7 mph