Weather in Mount Desert Island: October
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Average day temperature: | 57.0°F |
| Average night temperature: | 48.0°F | |
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Sea water temperature: | 55.3°F |
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Number of sunny days: | 13 days |
| Day length: | 10.2 - 11.7 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.4 in. | |
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forecast
| Mount Desert Island |
temperature
| Mount Desert Island |
Air temperature in October, °F
The highest day temperature during October of 2025 was 78°F. At the same time the lowest night temperature was 34°F. Daily and nightly averages during October were 58.1°F and 45.8°F.
Sea water temperature in Mount Desert Island in October, °F
The average sea water temperature in October of 2025 was 54.9°F. The highest and lowest sea temperatures during the month were 58.3°F and 52.9°F.
Mostly all days in October are sunny but cloudy days are also possible.
Precipitation total in October, in.
Precipitation total value in Mount Desert Island in October is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in October is 8.0 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 October is: 6.3.
Best time for vacation in Mount Desert Island
Mount Desert Island on a weather map
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