Strafford County Climate

Strafford County, New Hampshire

JanFebMarAprMayJunJulAugSepOctNovDec47.3°AVG °F

Avg Annual Temp

47.3°F

Annual Precip

46.5"

Annual Snowfall

38.9"

Extreme Heat Days

10

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.1"
3.1"
4.1"
4.1"
3.7"
4.1"
3.8"
3.6"
3.9"
4.7"
4.0"
4.2"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring34°56°12.0"Summer65°70°11.5"Fall39°61°12.6"Winter24°30°10.4"20°40°60°80°100°

National Comparison

Warmer than 21% of US counties
Wetter than 61% of US counties
More seasonal variation than 62% of US counties

Climate Profile

About Strafford County Weather

Strafford's Temperate Continental Climate

Strafford County averages 47.3°F annually, making it significantly cooler than the national median temperature of approximately 53°F. This reflects a classic humid continental climate characterized by distinct, vigorous seasonal changes.

One of New Hampshire's Warmer Regions

At 47.3°F, Strafford remains nearly two degrees warmer than the New Hampshire state average of 45.4°F. Its annual precipitation of 46.5 inches almost exactly mirrors the statewide average of 46.4 inches.

Milder Than Its Inland Neighbors

Strafford is noticeably warmer and less snow-prone than Sullivan County, which averages only 44.3°F annually. While Strafford sees 38.9 inches of snow, its western counterparts often face much heavier winter totals.

Predictable Heat and Moderate Snow

The county experiences about 10 extreme heat days per year where temperatures exceed 90°F, primarily during the 70.3°F July average. Winter stays relatively mild for the state, with a December-to-February average of 26.4°F and 38.9 inches of total snowfall.

Planning for Consistent Coastal Precipitation

Residents should invest in reliable rain gear and drainage systems to handle 46.5 inches of annual precipitation. While snowfall is moderate compared to the mountains, heating systems must still handle January lows that average 23.7°F.

Frequently Asked Questions

What is the average temperature in Strafford County?
The average annual temperature in Strafford County, NH is 47.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Strafford County get?
Strafford County receives an average of 46.5 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 Strafford County?
Yes, Strafford County receives an average of 38.9 inches of snowfall per year according to NOAA climate normals.
How hot does Strafford County get in summer?
The average summer temperature (June-August) in Strafford County is 67.9°F. The county experiences an average of 10 days per year above 90°F.
How cold are winters in Strafford County?
The average winter temperature (December-February) in Strafford County is 26.4°F. January, typically the coldest month, averages 23.7°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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