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Windsor County Climate

JanFebMarAprMayJunJulAugSepOctNovDec44.9°AVG °F

Avg Annual Temp

44.9°F

Annual Precip

44.9"

Annual Snowfall

82.6"

Extreme Heat Days

7

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.2"
2.7"
3.3"
3.7"
3.7"
4.5"
4.3"
3.9"
3.8"
4.6"
3.5"
3.8"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

5a

Minimum winter temperature range for plant survival

Growing Degree Days

2,148

Favors cool-season crops

Last spring frost (32°F): 05/13
First fall frost (32°F): 10/02

Seasonal Overview

Comfort ZoneSpring30°55°10.7"Summer64°69°12.6"Fall36°60°11.9"Winter19°26°9.7"20°40°60°80°100°

National Comparison

Warmer than 12% of US counties
Wetter than 57% of US counties
More seasonal variation than 81% of US counties

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

What is the average temperature in Windsor County?
The average annual temperature in Windsor County, VT is 44.9°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Windsor County get?
Windsor County receives an average of 44.9 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 Windsor County?
Yes, Windsor County receives an average of 82.6 inches of snowfall per year according to NOAA climate normals.
How hot does Windsor County get in summer?
The average summer temperature (June-August) in Windsor County is 66.7°F. The county experiences an average of 7 days per year above 90°F.
How cold are winters in Windsor County?
The average winter temperature (December-February) in Windsor County is 22.1°F. January, typically the coldest month, averages 19.1°F.

Track your own weather in Windsor County

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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