Windsor County Climate
Windsor County, Vermont
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
44.9°F
Annual Precip
44.9"
Annual Snowfall
82.6"
Extreme Heat Days
7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
2,148
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Windsor County
Climate Verdict
Windsor County has a cool, averaging 44.9°F annually, moderately wet with 44.9 inches of annual precipitation, rare extreme heat with only 7.44 days above 90°F annually, heavy winter snowfall averaging 82.6 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 19.1°F. summers are pleasantly cool with July averaging 69.0°F. The 50°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Windsor County closely matches the Vermont statewide average temperature of 43.6°F.
Climate Profile
About Windsor County Weather
The Mildest of the Vermont Group
Windsor County averages 44.9°F annually, making it the warmest of the Vermont counties surveyed. This is still about 9 degrees cooler than the national median, but it represents a more moderate New England climate. It experiences the most frequent summer heat peaks in the state.
Warmer than the Typical Vermont County
Windsor's annual average of 44.9°F sits well above the Vermont state average of 43.6°F. Its annual precipitation of 44.9 inches is almost exactly in line with the statewide average of 44.2 inches. This makes it a benchmark for a slightly warmer-than-average Vermont experience.
Warmer than Central and Northern Neighbors
Windsor County is roughly 2.3 degrees warmer annually than Orange County to its north. It also experiences significantly less snow than its southern neighbor, Windham, recording 82.6 inches compared to Windham's 130.2 inches. This makes it one of the more accessible counties in the region.
Warmer Summers and Moderate Snowfall
July is warm with an average of 69.0°F and a group-leading 7 days of extreme heat over 90°F. January averages a relatively mild 19.1°F, and the county sees 82.6 inches of snow annually. The winter average stays slightly higher than neighbors at 22.1°F.
Invest in Both Heating and Cooling
With 7 days of extreme heat per year, Windsor residents are the most likely to benefit from installing air conditioning. Winter still requires preparation for over 82 inches of snow, though the higher average temperatures may lead to more ice events. Flexible HVAC systems like heat pumps are well-suited for this broader temperature range.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.