Martha's Vineyard Weather: December
 |
Average Day Temperature: | 41.5°F |
|
Average Night Temperature: | 38.0°F |
|
Sea Water Temperature: | 46.2°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 9.2 - 9.4 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.2 in | |
| detailed information | ||
forecast
| Martha's Vineyard |
Temperature
| Martha's Vineyard |
Air Temperature in December, °F
The highest day temperature in December 2025 was 56°F. The lowest night temperature was 13°F. The average values for day and night temperatures during December were 36.8°F и 29.2°F respectivly.
Martha's Vineyard Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Martha's Vineyard was 45.1°F. The maximum and minimum values were 41.0°F and 50.4°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 Martha's Vineyard is 1.2 in. It makes december one of the most rainy months of the year.
The average wind speed in December is 14.5 mph. It makes December the most windy month of the year for Martha's Vineyard.
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 Martha's Vineyard in December is 5.0 hours.
Martha's Vineyard on the Weather Map
| Chicago |  |
+42 |
| Hawaii |  |
+74 |
| Honolulu | |
+74 |
| Houston |  |
+74 |
| Las Vegas |  |
+36 |
| Los Angeles | |
+42 |
| Maui | |
+68 |
| Miami | |
+76 |
| Miami Beach | |
+78 |
| New York | |
+38 |
| San Diego | |
+46 |
| San Francisco | |
+42 |
| Sarasota | |
+68 |
| Tampa | |
+68 |
| Washington |  |
+36 |
| 1200 |  |
44°F | N 12 mph |
| 1500 | |
46°F | N 13 mph |
| 1800 |  |
42°F | N 14 mph |
| 2100 | |
42°F | N 20 mph |
| 0000 |  |
44°F | NE 21 mph |
| 0300 | |
44°F | E 15 mph |
| 0600 | |
42°F | SE 9 mph |
| 0900 | |
40°F | S 6 mph |