Kay County Climate
Kay County, Oklahoma
Avg Annual Temp
58.3°F
Annual Precip
37.6"
Annual Snowfall
7.3"
Extreme Heat Days
68.76666666666667
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Kay County Weather
Classic Northern Plains Variability
Kay County's 58.3°F average temperature reflects a climate of extremes, typical of the northern plains. While warmer than the national median, it is notably cooler than much of the southern United States.
A Cooler Northern Oklahoma Pocket
Kay County is cooler than the Oklahoma state average of 60.4°F, with an annual mean of 58.3°F. It receives 37.6 inches of precipitation, which aligns closely with the state average of 37.2 inches.
Snowier Than Southern Counterparts
The county records 7.3 inches of snow annually, matching Kingfisher but far exceeding southern counties like Le Flore. It experiences 58.3°F on average, making it one of the cooler spots in central-northern Oklahoma.
Defined Winters and Sharp Heat
Winters are colder than the state average, dropping to a January mean of 34.6°F. July warms up to 81.4°F, leading to 69 days of extreme heat annually.
Insulate for Freezing January Nights
Property owners should insulate pipes to protect against the 34.6°F January average. A dual-purpose heating and cooling strategy is essential for the wide 47-degree swing between winter and summer.
Frequently Asked Questions
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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.