Harper County Climate
Harper County, Kansas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.4°F
Annual Precip
32.1"
Annual Snowfall
9.5"
Extreme Heat Days
70
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
4,533
Excellent for heat-loving crops
Seasonal Overview
National Comparison
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
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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.