Sagadahoc County Climate

Sagadahoc County, Maine

JanFebMarAprMayJunJulAugSepOctNovDec44.6°AVG °F

Avg Annual Temp

44.6°F

Annual Precip

48.5"

Annual Snowfall

71.8"

Extreme Heat Days

2.1

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.7"
3.6"
4.2"
4.3"
3.6"
4.4"
3.1"
3.3"
3.9"
5.3"
4.5"
4.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring31°52°12.0"Summer62°68°10.8"Fall37°59°13.7"Winter21°27°11.9"20°40°60°80°100°

National Comparison

Warmer than 12% of US counties
Wetter than 68% of US counties
More seasonal variation than 65% of US counties

Climate Profile

About Sagadahoc County Weather

Coastal moderation in Sagadahoc

Sagadahoc County averages 44.6°F annually, which is nearly 10 degrees cooler than the national median. Its position along the Atlantic coast prevents the extreme temperature swings found inland.

Warmer than the Maine average

The county is notably warmer than the state average of 43.8°F due to the ocean's influence. It ranks as one of the milder regions in the state, particularly during the winter months.

Comparable to Waldo County

Sagadahoc’s 44.6°F average is very similar to Waldo County at 44.1°F. It stays warmer than inland Penobscot, which averages 43.3°F and sees more volatile seasonal shifts.

Milder winters and rare heat

Winter temperatures average 23.1°F, which is several degrees higher than the state interior. Extreme heat is rare here, with only 2 days per year reaching 90°F or higher.

Managing coastal moisture

With 48.5 inches of annual precipitation, moisture control and dehumidification are key for local homeowners. The 71.8 inches of snow is manageable, but coastal icing remains a frequent winter concern.

Frequently Asked Questions

What is the average temperature in Sagadahoc County?
The average annual temperature in Sagadahoc County, ME is 44.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Sagadahoc County get?
Sagadahoc County receives an average of 48.5 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Sagadahoc County?
Yes, Sagadahoc County receives an average of 71.8 inches of snowfall per year according to NOAA climate normals.
How hot does Sagadahoc County get in summer?
The average summer temperature (June-August) in Sagadahoc County is 65.5°F. The county experiences an average of 2.1 days per year above 90°F.
How cold are winters in Sagadahoc County?
The average winter temperature (December-February) in Sagadahoc County is 23.1°F. January, typically the coldest month, averages 20.7°F.

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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.

Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

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