Coal County Climate
Coal County, Oklahoma
Avg Annual Temp
61.1°F
Annual Precip
45.1"
Annual Snowfall
3.2"
Extreme Heat Days
66.9
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Coal County Weather
Warm and rainy southeastern plains
Coal County averages 61.1°F annually, positioning it as a warmer-than-average American county. It enjoys a climate that transitions from the dry plains to the humid southeastern forests.
Standard temperatures with extra rain
While the 61.1°F average is close to the state mean of 60.4°F, the county is much wetter than average. It receives 45.1 inches of rain annually, nearly 8 inches more than the state norm.
Bridge between north and south
Coal County is notably wetter than its neighbor Cleveland County, which receives only 38.3 inches. It provides a slightly cooler alternative to the extreme heat found further south in Choctaw.
Steamy summers and soft winters
July averages 81.3°F with 67 days reaching above 90°F annually. Winter remains soft with an average of 41.7°F and only 3.2 inches of total annual snowfall.
Invest in moisture protection
Due to the 45.1 inches of rain, keeping gutters clear and foundations sealed against water is a top priority. Summer comfort requires managing the humidity that accompanies the 79.7°F seasonal average.
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.