Mount Desert Island Weather: December
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Average Day Temperature: | 34.2°F |
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Average Night Temperature: | 29.5°F |
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Sea Water Temperature: | 44.1°F |
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Number of Sunny Days: | 9 days |
Sunshine Hours: | 8.8 - 9.1 hours | |
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Number of Rainy Days: | 3 days |
Precipitation Totals: | 1.6 in | |
detailed information |
forecast
Mount Desert Island |
Temperature
Mount Desert Island |
Air Temperature in December, °F
Day Temperature | Night Temperature |
The highest day temperature in December 2024 was 49°F. The lowest night temperature was 7°F. The average values for day and night temperatures during December were 32.0°F и 26.0°F respectivly.
Mount Desert Island Water Sea Temperature in December, °F
The average sea surface temperature in December 2024 for Mount Desert Island was 42.9°F. The maximum and minimum values were 40.0°F and 46.4°F respectively.
Sunny days | |
Cloudy days | |
Gloomy days |
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 Mount Desert Island is 1.6 in. It makes december the most rainy month of the year.
The average wind speed in December is 10.2 mph. It makes December one of the most windy months of the year for Mount Desert Island.
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 Mount Desert Island in December is 4.0 hours.
Boston | ![]() |
+32 |
Chicago | ![]() |
+40 |
Hawaii | ![]() |
+78 |
Honolulu | ![]() |
+78 |
Houston | ![]() |
+60 |
Las Vegas | ![]() |
+50 |
Los Angeles | ![]() |
+50 |
Miami | ![]() |
+62 |
New York | ![]() |
+32 |
Orlando | ![]() |
+56 |
San Diego | ![]() |
+54 |
San Francisco | ![]() |
+48 |
Sarasota | ![]() |
+54 |
Tampa | ![]() |
+58 |
Washington | ![]() |
+34 |
0300 | ![]() |
34°F | S 13 mph |
0600 | ![]() |
30°F | S 16 mph |
0900 | ![]() |
32°F | S 15 mph |
1200 | ![]() |
38°F | S 14 mph |
1500 | ![]() |
44°F | S 11 mph |
1800 | ![]() |
42°F | S 9 mph |
2100 | ![]() |
40°F | SW 5 mph |
0000 | ![]() |
36°F | SW 5 mph |