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Clarke County Climate

JanFebMarAprMayJunJulAugSepOctNovDec52.7°AVG °F

Avg Annual Temp

52.7°F

Annual Precip

46.4"

Annual Snowfall

Extreme Heat Days

5

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
3.3"
3.0"
3.7"
3.4"
4.9"
4.8"
4.0"
3.6"
5.3"
3.6"
3.2"
3.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7a

Minimum winter temperature range for plant survival

Growing Degree Days

3,269

Supports most vegetables & fruits

Last spring frost (32°F): 04/17
First fall frost (32°F): 11/01

Seasonal Overview

Comfort ZoneSpring40°61°11.9"Summer70°74°12.5"Fall44°66°12.1"Winter31°35°9.9"20°40°60°80°100°

National Comparison

Warmer than 42% of US counties
Wetter than 62% of US counties
More seasonal variation than 48% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Clarke County

Climate Verdict

Clarke County has a mild, with an average annual temperature of 52.7°F, moderately wet with 46.4 inches of annual precipitation, rare extreme heat with only 5 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 31.0°F. summers are warm — July averages 73.6°F. The 43°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Clarke County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Clarke County is 3.5°F cooler than the Virginia statewide average of 56.2°F, the county experiences 22.780464480874294 fewer extreme heat days than the state average.

Climate Profile

About Clarke County Weather

Cooler than the national median

Clarke County's average annual temperature of 52.7°F makes it cooler than most U.S. counties. This northern Virginia location benefits from milder summers and more pronounced winters.

Colder than the Virginia average

Clarke is over 3 degrees cooler than the state average of 55.9°F. However, it receives slightly more precipitation, with 46.4 inches compared to the state's 45.7 inches.

The cool corner of the region

At 52.7°F, Clarke is notably cooler than Culpeper County to the south. It also receives significantly more rainfall than Covington City, making it both cooler and wetter than many neighbors.

Mild summers with very little heat

The county enjoys remarkably mild summers with only 5 days reaching 90°F. Winters are much colder than the state average, with January temperatures dipping to 31.0°F.

Focus on heating and insulation

Prioritize home heating and insulation as winter averages stay below freezing. Cooling costs are typically low here, given the rare occurrence of extreme heat days.

Frequently Asked Questions

What is the average temperature in Clarke County?
The average annual temperature in Clarke County, VA is 52.7°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Clarke County get?
Clarke County receives an average of 46.4 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Clarke County get in summer?
The average summer temperature (June-August) in Clarke County is 71.8°F. The county experiences an average of 5 days per year above 90°F.
How cold are winters in Clarke County?
The average winter temperature (December-February) in Clarke County is 33.2°F. January, typically the coldest month, averages 31.0°F.

Track your own weather in Clarke 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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