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Grayson County Climate

Grayson County, Virginia

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec53.5°AVG °F

Avg Annual Temp

53.5°F

Annual Precip

46.4"

Annual Snowfall

8.5"

Extreme Heat Days

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.7"
3.2"
4.3"
4.1"
5.1"
4.4"
5.1"
4.1"
3.5"
2.8"
2.7"
3.5"
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

Seasonal Overview

Comfort ZoneSpring44°61°13.5"Summer68°72°13.6"Fall45°65°8.9"Winter34°37°10.4"20°40°60°80°100°

National Comparison

Warmer than 45% of US counties
Wetter than 62% of US counties
More seasonal variation than 24% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Grayson County

Climate Verdict

Climate data for Grayson County is currently being compiled from NOAA sources. Check back soon for detailed weather normals.

Seasonal Breakdown

Seasonal weather data for this county is based on regional climate patterns. Residents experience typical weather variations for their location, with conditions reflecting broader state and regional trends. Consult the NOAA Climate Data Online for detailed seasonal breakdowns as more granular station data becomes available.

Outdoor & Gardening Guidance

Growing season and gardening guidance for Grayson County will be added as data becomes available.

Regional Context

Comparative climate data for Grayson County is being processed.

Climate Profile

About Grayson County Weather

A High-Precipitation Mountain Region

Grayson County records 46.4 inches of annual precipitation, which is higher than many U.S. counties. While specific annual temperature averages are not recorded, the county is known for its damp, highland climate.

Wetter Than the Virginia Average

At 46.4 inches, Grayson County is wetter than the state average of 45.7 inches. This consistent rainfall supports the county's lush, mountainous landscape.

Surprisingly Low Snow for the Region

Despite its high elevation, Grayson records only 8.5 inches of snow annually, which is significantly lower than nearby Giles County. Its total precipitation is nearly identical to Halifax County, despite being much further west.

Moderate Snow and Frequent Rain

Detailed seasonal temperature data is limited, but the county maintains a consistent 8.5 inches of snowfall. The high annual precipitation suggests frequent rain events throughout the summer and fall.

Manage Moisture and Damp Conditions

Because of the high 46.4-inch precipitation mark, homeowners should focus on basement waterproofing and gutter maintenance. Residents should plan for moderate winter snow and consistent rainfall year-round.

Frequently Asked Questions

What is the average temperature in Grayson County?
The average annual temperature in Grayson County, VA is 53.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Grayson County get?
Grayson 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.
Does it snow in Grayson County?
Yes, Grayson County receives an average of 8.5 inches of snowfall per year according to NOAA climate normals.
How hot does Grayson County get in summer?
The average summer temperature (June-August) in Grayson County is 70.2°F.
How cold are winters in Grayson County?
The average winter temperature (December-February) in Grayson County is 36.1°F. January, typically the coldest month, averages 34.2°F.

Track your own weather in Grayson County

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Data sources: ERA5 Reanalysis (modeled) via Open-Meteo (gap-filled where station data unavailable).. 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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