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Grant County Climate

JanFebMarAprMayJunJulAugSepOctNovDec54.0°AVG °F

Avg Annual Temp

54.0°F

Annual Precip

17.8"

Annual Snowfall

17.8"

Extreme Heat Days

73

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.4"
0.3"
1.1"
1.5"
2.0"
2.6"
2.9"
2.9"
1.3"
1.6"
0.5"
0.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6b

Minimum winter temperature range for plant survival

Growing Degree Days

3,792

Supports most vegetables & fruits

Last spring frost (32°F): 04/28
First fall frost (32°F): 10/16

Seasonal Overview

Comfort ZoneSpring43°63°4.5"Summer74°78°8.3"Fall42°68°3.4"Winter31°35°1.4"20°40°60°80°100°

National Comparison

Warmer than 47% of US counties
Wetter than 11% of US counties
More seasonal variation than 70% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Grant County

Climate Verdict

Grant County has a mild, with an average annual temperature of 54.0°F, semi-arid conditions with only 17.8 inches of annual precipitation, significant summer heat with 73.1 days annually above 90°F, light snow averaging 17.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 30.9°F. summers are warm — July averages 78.1°F. The 47°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Grant County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Grant County closely matches the Kansas statewide average temperature of 54.8°F, it is also noticeably drier, receiving 12.6 inches less precipitation than the state average.

Climate Profile

About Grant County Weather

A High Heat, Low Moisture Environment

Grant County's annual average temperature of 54.0°F aligns closely with the national median. However, its 17.8 inches of annual precipitation is far below the national average, defining it as a semi-arid landscape.

Tracking Below State Rainfall Averages

The county is notably drier than the Kansas average, receiving only 17.8 inches of moisture against the state's 30.3-inch norm. Its 54.0°F mean temperature sits just below the statewide average of 54.8°F.

Parched Compared to Central Kansas

Grant County receives nearly half the annual rainfall of Harvey County, which averages 33.5 inches. It experiences 73 days of extreme heat, far outpacing the 50 days seen in Greenwood County.

Long Summers and Dusty Winters

The county faces 73 days of temperatures at or above 90°F, peaking with a July average of 78.1°F. Winters are dry and cold, with 17.8 inches of snow and a January average of 30.9°F.

Plan for Arid Conditions

Landscaping should prioritize drought-resistant plants to survive the low 17.8-inch annual precipitation. With 73 days of extreme heat, outdoor activities require early morning scheduling to avoid the dangerous midday sun.

Frequently Asked Questions

What is the average temperature in Grant County?
The average annual temperature in Grant County, KS is 54.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Grant County get?
Grant County receives an average of 17.8 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 17.8 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 75.9°F. The county experiences an average of 73 days per year above 90°F.
How cold are winters in Grant County?
The average winter temperature (December-February) in Grant County is 32.5°F. January, typically the coldest month, averages 30.9°F.

Track your own weather in Grant 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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