McPherson County Climate
McPherson County, Kansas
Avg Annual Temp
55.7°F
Annual Precip
32.4"
Annual Snowfall
12.8"
Extreme Heat Days
63.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About McPherson County Weather
Warm Central Hub Exceeds National Median
McPherson County's 55.7°F average temperature is roughly two degrees warmer than the U.S. median. The region is characterized by hot summers and a high number of extreme heat days.
Beating the Kansas State Temperature Average
The county tracks about one degree warmer than the 54.8°F Kansas average. While its 32.4 inches of rain is typical for the state, its summer heat is more intense.
Hotter Summers than Neighboring Marion
McPherson averages 64 days above 90°F, significantly outpacing Marion County's 55 days. Its annual precipitation of 32.4 inches is slightly lower than Marion's 34.6 inches.
Steamy Summers and Moderate Snowfall
July is the peak of the heat with an 80.6°F average, contributing to 64 extreme heat days. Winters bring an average of 12.8 inches of snow and a 30.7°F January.
Prepare for Extended Summer Heat
Reliable air conditioning is vital for the 64 days of extreme heat each summer. Residents should also keep snow shovels ready for the 12.8-inch annual snowfall.
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.