weatherbycounty

Grant County Climate

JanFebMarAprMayJunJulAugSepOctNovDec61.6°AVG °F

Avg Annual Temp

61.6°F

Annual Precip

56.5"

Annual Snowfall

2.3"

Extreme Heat Days

74

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.2"
4.6"
5.7"
5.9"
6.1"
3.8"
4.2"
3.4"
3.7"
4.8"
4.6"
5.6"
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

5,225

Excellent for heat-loving crops

Last spring frost (32°F): 04/02
First fall frost (32°F): 11/03

Seasonal Overview

Comfort ZoneSpring53°70°17.7"Summer78°81°11.4"Fall51°74°13.0"Winter41°45°14.4"20°40°60°80°100°

National Comparison

Warmer than 76% of US counties
Wetter than 90% of US counties
More seasonal variation than 38% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Grant County

Climate Verdict

Grant County has a warm, averaging 61.6°F year-round, very wet conditions receiving 56.5 inches of precipitation annually, significant summer heat with 73.6 days annually above 90°F, light snow averaging 2.3 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 40.9°F. summers are hot, with July averaging 81.3°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

Grant County closely matches the Arkansas statewide average temperature of 61.0°F, it is somewhat wetter than average for Arkansas.

Climate Profile

About Grant County Weather

Consistently Above National Temperature Medians

Grant County maintains an annual average temperature of 61.6°F, nearly 8 degrees higher than the national median. This climate is defined by its significant warmth and high humidity levels throughout the year.

Aligning With Central Arkansas Patterns

The county's 61.6°F average temperature sits just above the statewide average of 61.0°F. It is one of the wetter counties in the state, receiving 56.5 inches of precipitation compared to the 52.4-inch state average.

Warmer and Wetter Than Hot Spring

Grant County is slightly warmer and wetter than neighboring Hot Spring County, which averages 61.3°F and 57.5 inches of rain. Both counties face similar extreme heat, with Grant recording 74 days above 90°F.

Sweltering Summers and Damp Winters

July brings an average temperature of 81.3°F, contributing to a summer average of 79.8°F. Winter is mild but wet, featuring 2.3 inches of snow and a January average that stays above 40°F.

Prepare for High Humidity and Heat

With 74 days of extreme heat, high-efficiency air conditioning is a necessity for comfort and safety. Residents should also prepare for significant rainfall, as the county receives 56.5 inches of precipitation annually.

Frequently Asked Questions

What is the average temperature in Grant County?
The average annual temperature in Grant County, AR is 61.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Grant County get?
Grant County receives an average of 56.5 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 Grant County?
Yes, Grant County receives an average of 2.3 inches of snowfall per year according to NOAA climate normals.
How hot does Grant County get in summer?
The average summer temperature (June-August) in Grant County is 79.8°F. The county experiences an average of 74 days per year above 90°F.
How cold are winters in Grant County?
The average winter temperature (December-February) in Grant County is 43.0°F. January, typically the coldest month, averages 40.9°F.

Track your own weather in Grant County

Ambient Weather personal weather stations give you hyperlocal climate data.

Shop Weather Stations →

Sponsored

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
← Back to Arkansas