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Harper County Climate

JanFebMarAprMayJunJulAugSepOctNovDec57.4°AVG °F

Avg Annual Temp

57.4°F

Annual Precip

32.1"

Annual Snowfall

9.5"

Extreme Heat Days

70

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.9"
1.2"
2.5"
3.2"
4.6"
4.8"
3.4"
3.2"
2.4"
2.8"
1.6"
1.3"
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

4,533

Excellent for heat-loving crops

Last spring frost (32°F): 04/09
First fall frost (32°F): 10/30

Seasonal Overview

Comfort ZoneSpring47°66°10.3"Summer77°81°11.5"Fall46°72°6.9"Winter34°37°3.5"20°40°60°80°100°

National Comparison

Warmer than 62% of US counties
Wetter than 29% of US counties
More seasonal variation than 73% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Harper County

Climate Verdict

Harper County has a mild, with an average annual temperature of 57.4°F, moderate rainfall of 32.1 inches per year, significant summer heat with 70.2 days annually above 90°F, light snow averaging 9.5 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 33.6°F. summers are hot, with July averaging 81.4°F. The 48°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

Harper County closely matches the Kansas statewide average temperature of 54.8°F.

Climate Profile

About Harper County Weather

A Warm Southern Kansas Hub

Harper County is warmer than the national median, with an annual average temperature of 57.4°F. Its 32.1 inches of precipitation is typical for the American Midwest, providing a humid-subtropical feel.

Among the Warmest in Kansas

Harper County's 57.4°F average is significantly higher than the state average of 54.8°F. It also receives slightly more precipitation than the state norm, with 32.1 inches annually.

Outheating the Northern Counties

Harper County is much warmer than Greeley County, which stays at a cool 52.4°F average. It also sees far less snow than western neighbors, recording only 9.5 inches per year.

Long, Hot Summers and Milder Winters

July averages a sweltering 81.4°F, contributing to 70 days of extreme heat each year. Winters are the mildest in this group, with a January average of 33.6°F and less than 10 inches of snow.

Equip for Sustained Summer Heat

High July temperatures of 81.4°F require robust air conditioning and energy-efficient windows. Winter gear can be lighter here, as the county receives only 9.5 inches of snow on average.

Frequently Asked Questions

What is the average temperature in Harper County?
The average annual temperature in Harper County, KS is 57.4°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Harper County get?
Harper County receives an average of 32.1 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 Harper County?
Yes, Harper County receives an average of 9.5 inches of snowfall per year according to NOAA climate normals.
How hot does Harper County get in summer?
The average summer temperature (June-August) in Harper County is 79.2°F. The county experiences an average of 70 days per year above 90°F.
How cold are winters in Harper County?
The average winter temperature (December-February) in Harper County is 35.5°F. January, typically the coldest month, averages 33.6°F.

Track your own weather in Harper 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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