Grand Isle Weather: December
 |
Average Day Temperature: | 64.4°F |
|
Average Night Temperature: | 61.7°F |
|
Sea Water Temperature: | 67.8°F |
|
Number of Sunny Days: | 10 days |
| Sunshine Hours: | 10.3 - 10.4 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.7 in | |
| detailed information | ||
forecast
| Grand Isle |
Temperature
| Grand Isle |
Air Temperature in December, °F
| Day Temperature | Night Temperature |
The highest day temperature in December 2024 was 70°F. The lowest night temperature was 47°F. The average values for day and night temperatures during December were 63.4°F и 61.5°F respectivly.
Grand Isle Water Sea Temperature in December, °F
The average sea surface temperature in December 2024 for Grand Isle was 67.6°F. The maximum and minimum values were 65.0°F and 72.0°F respectively.
| Sunny days | |
| Cloudy days | |
| Gloomy days |
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 Grand Isle is 0.7 in. It makes december the least rainy month of the year.
The average wind speed in December is 11.9 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 Grand Isle in December is 5.7 hours.
Grand Isle on the Weather Map
| Boston |  |
+44 |
| Chicago |  |
+58 |
| Hawaii |  |
+76 |
| Honolulu | |
+76 |
| Houston | |
+74 |
| Las Vegas |  |
+60 |
| Los Angeles | |
+56 |
| Miami | |
+76 |
| New York | |
+48 |
| Orlando | |
+70 |
| San Diego | |
+60 |
| San Francisco | |
+50 |
| Sarasota | |
+64 |
| Tampa | |
+68 |
| Washington | |
+52 |
| 0300 |  |
74°F | N 17 mph |
| 0600 | |
74°F | NW 19 mph |
| 0900 |  |
74°F | NW 19 mph |
| 1200 |  |
74°F | NW 17 mph |
| 1500 | |
74°F | NW 17 mph |
| 1800 | |
74°F | NW 12 mph |
| 2100 | |
74°F | NW 15 mph |
| 0000 | |
74°F | NW 17 mph |