Strafford County Climate
Strafford County, New Hampshire
Avg Annual Temp
47.3°F
Annual Precip
46.5"
Annual Snowfall
38.9"
Extreme Heat Days
10
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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.
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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.