McCurtain County Climate
McCurtain County, Oklahoma
Avg Annual Temp
60.8°F
Annual Precip
54.2"
Annual Snowfall
2.5"
Extreme Heat Days
64.125
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About McCurtain County Weather
Oklahoma's Wettest Corner
McCurtain County receives a massive 54.2 inches of annual precipitation, far exceeding the national median. The average annual temperature is a warm 60.8°F.
A Rain Leader in Oklahoma
McCurtain's 54.2 inches of rain is nearly 50% higher than the 37.2-inch state average. Its temperature is also slightly higher than the state average of 60.4°F.
Soaking Compared to Western Neighbors
McCurtain receives about 18 inches more rain annually than McClain County. Despite the rain, it sees only 2.5 inches of snow, much less than northern Oklahoma.
Humid Summers and Soft Winters
Summers average 78.6°F with 64 days of extreme heat, tempered by frequent rainfall. Winters are mild at 42.3°F with very little snowfall averaging 2.5 inches.
Prioritize Rain Gear and Drainage
The 54.2 inches of annual rain makes heavy-duty rain gear and robust home drainage systems essential. Heat is moderate but humid, so dehumidifiers can improve indoor comfort.
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.