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Roanoke County Climate

Roanoke County, Virginia

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec55.5°AVG °F

Avg Annual Temp

55.5°F

Annual Precip

45.7"

Annual Snowfall

11.4"

Extreme Heat Days

28

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.3"
2.7"
3.8"
4.0"
4.4"
5.2"
4.7"
3.8"
4.3"
3.2"
3.0"
3.3"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7b

Minimum winter temperature range for plant survival

Growing Degree Days

3,680

Supports most vegetables & fruits

Last spring frost (32°F): 04/11
First fall frost (32°F): 10/28

Seasonal Overview

Comfort ZoneSpring46°64°12.2"Summer71°75°13.6"Fall46°68°10.5"Winter36°39°9.4"20°40°60°80°100°

National Comparison

Warmer than 54% of US counties
Wetter than 60% of US counties
More seasonal variation than 34% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Roanoke County

Climate Verdict

Roanoke County has a mild, with an average annual temperature of 55.5°F, moderately wet with 45.7 inches of annual precipitation, occasional hot days — 27.7 per year above 90°F, light snow averaging 11.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 35.5°F. summers are warm — July averages 75.1°F. The 40°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.

Regional Context

Roanoke County closely matches the Virginia statewide average temperature of 56.2°F.

Climate Profile

About Roanoke County Weather

Temperate mountain valley climate

Roanoke County's 55.5°F annual average temperature is nearly identical to the national median. The geography provides a classic four-season experience without extreme national outliers.

Perfectly aligned with Virginia's average

The county's annual temperature of 55.5°F closely tracks the statewide average of 55.9°F. It represents the typical climate profile for the Commonwealth of Virginia.

Cooler and wetter than the city

The county is cooler than Roanoke City by about 2.6 degrees, reflecting its higher elevations and green space. It matches the state precipitation average exactly at 45.7 inches per year.

Defined seasons with mild winter totals

July averages 75.1°F with 28 days of extreme heat over 90°F. Winter is crisp but rarely buried in snow, with an annual average of 11.4 inches and a January mean of 35.5°F.

Standard Virginia weather prep applies

With 28 days of 90°F heat, reliable cooling systems are a priority for the summer months. Winter preparation requires only light snow removal tools for the modest 11.4 inches of annual snowfall.

Frequently Asked Questions

What is the average temperature in Roanoke County?
The average annual temperature in Roanoke County, VA is 55.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Roanoke County get?
Roanoke County receives an average of 45.7 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 Roanoke County?
Yes, Roanoke County receives an average of 11.4 inches of snowfall per year according to NOAA climate normals.
How hot does Roanoke County get in summer?
The average summer temperature (June-August) in Roanoke County is 73.4°F. The county experiences an average of 28 days per year above 90°F.
How cold are winters in Roanoke County?
The average winter temperature (December-February) in Roanoke County is 37.3°F. January, typically the coldest month, averages 35.5°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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