Weather in Mount Desert Island: January
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Average day temperature: | 28.9°F |
| Average night temperature: | 23.4°F | |
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Sea water temperature: | 39.1°F |
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Number of sunny days: | 9 days |
| Day length: | 8.9 - 9.8 hours | |
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Number of days with precipitation: | 3 days |
| Precipitation totals: | 1.1 in. | |
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forecast
| Mount Desert Island |
temperature
| Mount Desert Island |
Air temperature in January, °F
The highest day temperature during January of 2026 was 47°F. At the same time the lowest night temperature was -4°F. Daily and nightly averages during January were 26.1°F and 19.4°F.
Sea water temperature in Mount Desert Island in January, °F
The average sea water temperature in January of 2026 was 36.4°F. The highest and lowest sea temperatures during the month were 39.6°F and 33.8°F.
Number of sunny, partly cloudy and cloudy days in January is almost equal.
Precipitation total in January, in.
Precipitation total value in Mount Desert Island in January is 1.1 in. Other months of the year show relatively similar values.
The average wind speed value in January is 10.3 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 4.6.
Best time for vacation in Mount Desert Island
Mount Desert Island on a weather map
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