Dennis Port Weather: December
 |
Average Day Temperature: | 40.7°F |
|
Average Night Temperature: | 37.1°F |
|
Sea Water Temperature: | 43.1°F |
|
Number of Sunny Days: | 11 days |
| Sunshine Hours: | 9.1 - 9.4 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.2 in | |
| detailed information | ||
forecast
| Dennis Port |
Temperature
| Dennis Port |
Air Temperature in December, °F
The highest day temperature in December 2025 was 55°F. The lowest night temperature was 16°F. The average values for day and night temperatures during December were 35.8°F и 29.0°F respectivly.
Dennis Port Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Dennis Port was 40.1°F. The maximum and minimum values were 34.0°F and 46.2°F respectively.
Most of the days in December are gloomy but you can also expect sunny days.
Precipitation Totals in December, in
Precipitation total in December for Dennis Port is 1.2 in. It makes december one of the most rainy months of the year.
The average wind speed in December is 14.1 mph. It makes December the most windy month of the year for Dennis Port.
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 Dennis Port in December is 4.5 hours.
Dennis Port 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 |  |
40°F | N 14 mph |
| 1500 | |
42°F | N 16 mph |
| 1800 |  |
42°F | N 17 mph |
| 2100 | |
42°F | N 21 mph |
| 0000 |  |
44°F | NE 20 mph |
| 0300 | |
46°F | NE 14 mph |
| 0600 | |
44°F | SE 11 mph |
| 0900 | |
44°F | SE 9 mph |