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Graham County Climate

Graham County, North Carolina

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec56.8°AVG °F

Avg Annual Temp

56.8°F

Annual Precip

56.1"

Annual Snowfall

Extreme Heat Days

35

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
5.4"
4.8"
5.4"
4.7"
4.9"
5.5"
5.0"
4.1"
3.6"
2.9"
4.2"
5.5"
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

Growing Degree Days

3,791

Supports most vegetables & fruits

Last spring frost (32°F): 04/17
First fall frost (32°F): 10/27

Seasonal Overview

Comfort ZoneSpring49°64°15.1"Summer71°74°14.6"Fall48°68°10.7"Winter38°42°15.7"20°40°60°80°100°

National Comparison

Warmer than 59% of US counties
Wetter than 89% of US counties
More seasonal variation than 17% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Graham County

Climate Verdict

Graham County has a mild, with an average annual temperature of 56.8°F, very wet conditions receiving 56.1 inches of precipitation annually, occasional hot days — 34.7 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 38.1°F. summers are warm — July averages 73.8°F. The 36°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

Graham County closely matches the North Carolina statewide average temperature of 59.3°F, it is somewhat wetter than average for North Carolina.

Climate Profile

About Graham County Weather

Temperate and typical of the U.S.

Graham County’s annual average temperature of 56.8°F aligns closely with the national median for temperate climates. Its high elevation contributes to a cooler profile than many of its Eastern Seaboard counterparts.

Cooler than the North Carolina average

The county stays roughly 2.5 degrees cooler than the state average of 59.3°F. Its 56.1 inches of annual precipitation is nearly five inches higher than the North Carolina average of 51.5 inches.

A mountain rainforest environment

At 56.1 inches of rain, Graham is significantly wetter than neighbors like Gaston, though its 35 extreme heat days make it warmer than high-peak neighbors like Haywood. This creates a lush, high-humidity mountain environment unique to the western border.

Mild summers and crisp winters

Summer temperatures average a comfortable 72.6°F, though the county still sees 35 days above 90°F. While snowfall data is limited, January temperatures average a cold 38.1°F, necessitating reliable heating systems.

Prepare for wet weather

Quality rain gear is a necessity given the 56.1 inches of annual precipitation. With 35 extreme heat days, residents should also ensure their homes are ventilated for humid summer afternoons.

Frequently Asked Questions

What is the average temperature in Graham County?
The average annual temperature in Graham County, NC is 56.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Graham County get?
Graham County receives an average of 56.1 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Graham County get in summer?
The average summer temperature (June-August) in Graham County is 72.6°F. The county experiences an average of 35 days per year above 90°F.
How cold are winters in Graham County?
The average winter temperature (December-February) in Graham County is 40.1°F. January, typically the coldest month, averages 38.1°F.

Track your own weather in Graham 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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