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Guilford County Climate

Guilford County, North Carolina

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec60.3°AVG °F

Avg Annual Temp

60.3°F

Annual Precip

46.1"

Annual Snowfall

4.5"

Extreme Heat Days

39

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.6"
3.0"
3.9"
3.9"
3.6"
4.2"
4.4"
4.7"
4.7"
3.2"
3.4"
3.5"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

8a

Minimum winter temperature range for plant survival

Growing Degree Days

4,793

Excellent for heat-loving crops

Last spring frost (32°F): 03/30
First fall frost (32°F): 11/05

Seasonal Overview

Comfort ZoneSpring51°68°11.4"Summer76°79°13.3"Fall51°72°11.3"Winter41°44°10.1"20°40°60°80°100°

National Comparison

Warmer than 72% of US counties
Wetter than 62% of US counties
More seasonal variation than 28% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Guilford County

Climate Verdict

Guilford County has a warm, averaging 60.3°F year-round, moderately wet with 46.1 inches of annual precipitation, occasional hot days — 39.3 per year above 90°F, light snow averaging 4.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 40.7°F. summers are warm — July averages 79.2°F. The 38°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

Guilford County closely matches the North Carolina statewide average temperature of 59.3°F, it is also noticeably drier, receiving 5.5 inches less precipitation than the state average.

Climate Profile

About Guilford County Weather

Warmer winters than most

Guilford County’s 60.3°F average annual temperature is several degrees warmer than the national median. The region benefits from a climate that avoids the extreme cold found in northern latitudes.

Warm and slightly dry

At 60.3°F, Guilford is about a degree warmer than the North Carolina average. Its 46.1 inches of annual precipitation is roughly 10% lower than the state average of 51.5 inches.

Snowiest in the Piedmont

Guilford sees 4.5 inches of annual snowfall, which is significantly higher than neighboring Gaston or Granville. Despite the extra snow, its 39 extreme heat days align closely with its regional peers.

Sharp heat and occasional ice

The July average reaches 79.2°F, contributing to 39 days of extreme heat each year. Winters are chilly but not freezing, with a January average of 40.7°F and the state's Piedmont-leading 4.5 inches of snow.

Winter and summer readiness

Homeowners should own a snow shovel for the 4.5 inches of annual snowfall, a rarity for this part of the state. Additionally, cooling systems must be robust enough to handle the 39 days of temperatures exceeding 90°F.

Frequently Asked Questions

What is the average temperature in Guilford County?
The average annual temperature in Guilford County, NC is 60.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Guilford County get?
Guilford County receives an average of 46.1 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 Guilford County?
Yes, Guilford County receives an average of 4.5 inches of snowfall per year according to NOAA climate normals.
How hot does Guilford County get in summer?
The average summer temperature (June-August) in Guilford County is 77.5°F. The county experiences an average of 39 days per year above 90°F.
How cold are winters in Guilford County?
The average winter temperature (December-February) in Guilford County is 42.7°F. January, typically the coldest month, averages 40.7°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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