World Resorts USA Mount Desert Island Weather

Mount Desert Island weather in January

Weather in Mount Desert Island: January

Average day temperature: 29.4°F
Average night temperature: 24.1°F
Sea water temperature: 39.6°F
Number of sunny days: 8 days
Day length: 8.9 - 9.8 hours
Number of days with precipitation: 3 days
Precipitation totals: 1.2 in.

Air temperature in January, °F

Show year:
2025
2024
2023

The highest day temperature during January of 2025 was 41°F. At the same time the lowest night temperature was 5°F. Daily and nightly averages during January were 27.8°F and 20.5°F.

Sea water temperature in Mount Desert Island in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 38.0°F. The highest and lowest sea temperatures during the month were 41.0°F and 35.2°F.

Sunny, partly cloudy and cloudy days

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 1.2 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 10.1 mph

Average sunny hours

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: 4.4.

Best time for vacation in Mount Desert Island

Sunniest months:
September 13 days
November 13 days
October 13 days
Warmest months:
July 71.9 °F
August 71.3 °F
June 66.4 °F
Warmest sea temp:
August 61.6 °F
July 59.8 °F
September 58.6 °F
Coldest months:
January 29.4 °F
February 29.9 °F
December 35.8 °F
Rainiest months:
December 3 days
October 3 days
March 2 days
Windiest months:
February 10.6 mph
March 10.5 mph
November 10.3 mph

Mount Desert Island on a weather map

Mount Desert Island
+5°F
SE 17 mph
Feels like: -11°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+45°F
+3°F
24 Hours Forecast
Mount Desert Island
Local time: 03:29
December 05, friday
0600
3°F
SE
14 mph
0900
9°F
SE
12 mph
1200
18°F
E
11 mph
1500
23°F
E
10 mph
1800
27°F
E
6 mph
2100
25°F
E
7 mph
December 06, saturday
0000
23°F
E
5 mph
0300
23°F
E
3 mph
Units of measurement: °C / °F