McCurtain County Climate

McCurtain County, Oklahoma

JanFebMarAprMayJunJulAugSepOctNovDec60.8°AVG °F

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

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.6"
3.9"
5.0"
5.2"
6.2"
4.3"
3.8"
3.3"
4.4"
5.2"
4.4"
4.9"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring52°69°16.5"Summer76°80°11.3"Fall51°73°14.0"Winter40°44°12.4"20°40°60°80°100°

National Comparison

Warmer than 71% of US counties
Wetter than 82% of US counties
More seasonal variation than 32% of US counties

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

What is the average temperature in McCurtain County?
The average annual temperature in McCurtain County, OK is 60.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does McCurtain County get?
McCurtain County receives an average of 54.2 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in McCurtain County?
Yes, McCurtain County receives an average of 2.5 inches of snowfall per year according to NOAA climate normals.
How hot does McCurtain County get in summer?
The average summer temperature (June-August) in McCurtain County is 78.6°F. The county experiences an average of 64.125 days per year above 90°F.
How cold are winters in McCurtain County?
The average winter temperature (December-February) in McCurtain County is 42.3°F. January, typically the coldest month, averages 40.3°F.

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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.

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