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Harrison County Climate

Harrison County, West Virginia

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec53.8°AVG °F

Avg Annual Temp

53.8°F

Annual Precip

46.5"

Annual Snowfall

23.8"

Extreme Heat Days

14

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.4"
3.3"
3.9"
4.0"
4.5"
4.7"
5.4"
3.8"
3.6"
3.2"
3.2"
3.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6b

Minimum winter temperature range for plant survival

Growing Degree Days

3,526

Supports most vegetables & fruits

Last spring frost (32°F): 04/22
First fall frost (32°F): 10/24

Seasonal Overview

Comfort ZoneSpring43°63°12.4"Summer71°74°13.9"Fall44°67°10.0"Winter32°37°10.3"20°40°60°80°100°

National Comparison

Warmer than 47% of US counties
Wetter than 63% of US counties
More seasonal variation than 47% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Harrison County

Climate Verdict

Harrison County has a mild, with an average annual temperature of 53.8°F, moderately wet with 46.5 inches of annual precipitation, rare extreme heat with only 14.149999999999999 days above 90°F annually, moderate snowfall of 23.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 32.1°F. summers are warm — July averages 74.4°F. The 42°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

Harrison County closely matches the West Virginia statewide average temperature of 52.8°F.

Climate Profile

About Harrison County Weather

Harrison County fits the national average

With an annual average of 53.8°F, Harrison County aligns closely with the United States median temperature. It experiences a classic humid continental climate with balanced seasonal shifts.

Warmer than the West Virginia norm

Harrison's 53.8°F average is a full degree warmer than the state average of 52.8°F. Precipitation remains consistent with state trends, recording 46.5 inches against the 47.0-inch average.

A warmer pocket in the north-central region

Harrison is notably warmer than neighboring Gilmer County by over a degree. It also experiences slightly less snowfall at 23.8 inches compared to many of its surrounding highland neighbors.

Toasty July afternoons and brisk winters

July is the warmest month at 74.4°F, contributing to 14 days of extreme heat annually. Winter brings a January average of 32.1°F and a predictable 23.8 inches of snowfall.

Standard all-season preparation is key

Residents should maintain standard HVAC systems to handle both the 74°F summer averages and 34°F winters. The 23.8 inches of snow is manageable with basic winter tires and home weatherization.

Frequently Asked Questions

What is the average temperature in Harrison County?
The average annual temperature in Harrison County, WV is 53.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Harrison County get?
Harrison 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 Harrison County?
Yes, Harrison County receives an average of 23.8 inches of snowfall per year according to NOAA climate normals.
How hot does Harrison County get in summer?
The average summer temperature (June-August) in Harrison County is 72.8°F. The county experiences an average of 14 days per year above 90°F.
How cold are winters in Harrison County?
The average winter temperature (December-February) in Harrison County is 34.5°F. January, typically the coldest month, averages 32.1°F.

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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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