Galveston Island Weather: December
 |
Average Day Temperature: | 65.1°F |
|
Average Night Temperature: | 59.6°F |
|
Sea Water Temperature: | 64.9°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 | |
| detailed information | ||
forecast
| Galveston Island |
Temperature
| Galveston Island |
Air Temperature in December, °F
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
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.
You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in December, in
Precipitation total in December for Galveston Island is 0.7 in. It makes december one of the least rainy months of the year.
The average wind speed in December is 10.3 mph.
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.
Galveston Island on the Weather Map
| Chicago |  |
-2 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+44 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach |  |
+80 |
| New York | |
+18 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
| 0300 |  |
46°F | S 15 mph |
| 0600 | |
44°F | S 16 mph |
| 0900 | |
48°F | S 14 mph |
| 1200 | |
48°F | SW 7 mph |
| 1500 | |
50°F | S 2 mph |
| 1800 | |
52°F | SW 6 mph |
| 2100 | |
54°F | W 6 mph |
| 0000 | |
56°F | W 4 mph |