Rockland Weather: December
 |
Average Day Temperature: | 35.9°F |
|
Average Night Temperature: | 31.8°F |
|
Sea Water Temperature: | 44.5°F |
|
Number of Sunny Days: | 9 days |
| Sunshine Hours: | 8.9 - 9.1 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.8 in | |
| detailed information | ||
forecast
| Rockland |
Temperature
| Rockland |
Air Temperature in December, °F
The highest day temperature in December 2023 was 53°F. The lowest night temperature was 19°F. The average values for day and night temperatures during December were 37.4°F и 34.4°F respectivly.
Rockland Water Sea Temperature in December, °F
The average sea surface temperature in December 2023 for Rockland was 43.1°F. The maximum and minimum values were 40.2°F and 46.6°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 Rockland is 1.8 in. It makes december the most rainy month of the year.
The average wind speed in December is 11.6 mph. It makes December the most windy month of the year for Rockland.
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 Rockland in December is 4.2 hours.
Rockland on the Weather Map
| Boston |  |
+10 |
| Chicago |  |
+20 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+46 |
| Las Vegas | |
+50 |
| Los Angeles | |
+54 |
| Miami | |
+62 |
| New York | |
+16 |
| Orlando | |
+50 |
| San Diego | |
+54 |
| San Francisco | |
+54 |
| Sarasota | |
+48 |
| Tampa | |
+46 |
| Washington |  |
+20 |
| 0600 |  |
12°F | SE 16 mph |
| 0900 |  |
10°F | SE 16 mph |
| 1200 | |
16°F | SE 17 mph |
| 1500 | |
20°F | SE 17 mph |
| 1800 | |
22°F | SE 16 mph |
| 2100 | |
16°F | SE 15 mph |
| 0000 | |
14°F | SE 13 mph |
| 0300 | |
12°F | SE 11 mph |