Measurements:
°C
°F
Galveston Island
78°F
N 19 mph
Feels like: 82°F
Precip: 0%
World Resorts USA Galveston Island Weather December Weather in Galveston Island

Galveston Island Weather: December

Average Day Temperature: 65.1°F
Average Night Temperature: 59.6°F
Sea Water Temperature: 64.7°F
Number of Sunny Days: 10 days
Sunshine Hours: 10.3 - 10.4 hours
Number of Rainy Days: 2 days
Precipitation Totals: 0.7 in

Air Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
12
24
36
48
60
72
84
96
Day Temperature   
Night Temperature

The highest day temperature in December 2024 was 72°F. The lowest night temperature was 48°F. The average values for day and night temperatures during December were 63.2°F и 62.0°F respectivly.

Galveston Island Water Sea Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
50
54
58
62
66
70
74
78

The average sea surface temperature in December 2024 for Galveston Island was 65.0°F. The maximum and minimum values were 60.6°F and 70.0°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
32%
29%
39%

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

Precipitation Totals in December, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.4
0.7
1.1
1.4
1.8
2.1
2.5

Precipitation total in December for Galveston Island is 0.7 in. It makes december one of the least rainy months of the year.

Wind Speed in December, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0

The average wind speed in December is 10.3 mph.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.5
3.1
4.6
6.1
7.6
9.2
10.7

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 December is 5.4 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 59.5 °F
February 61.0 °F
December 65.1 °F
The most rainy months:
July 4 days
May 4 days
November 3 days
The most windy months:
April 11 mph
January 11 mph
May 11 mph

Galveston Island on the Weather Map

USA Resorts:
NAME
Boston +56
Chicago +66
Hawaii +76
Honolulu +76
Houston +78
Las Vegas +60
Los Angeles +54
Miami +80
New York +64
Orlando +82
San Diego +58
San Francisco +52
Sarasota +86
Tampa +88
Washington +70
24 Hours Weather Forecast
Galveston Island
Local time: 11:37
18 apr, friday
1200 78°F
N
19 mph
1500 80°F
N
18 mph
1800 78°F
N
17 mph
2100 76°F
NW
14 mph
19 apr, saturday
0000 76°F
NW
14 mph
0300 74°F
NW
15 mph
0600 72°F
NW
14 mph
0900 76°F
NW
14 mph