Washita County Climate

Washita County, Oklahoma

JanFebMarAprMayJunJulAugSepOctNovDec60.0°AVG °F

Avg Annual Temp

60.0°F

Annual Precip

28.8"

Annual Snowfall

6.6"

Extreme Heat Days

90.1

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.9"
1.1"
2.0"
2.8"
4.1"
4.0"
2.3"
3.4"
2.8"
2.6"
1.5"
1.2"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring50°69°8.8"Summer78°83°9.7"Fall48°73°7.0"Winter38°42°3.3"20°40°60°80°100°

National Comparison

Warmer than 69% of US counties
Wetter than 25% of US counties
More seasonal variation than 52% of US counties

Climate Profile

About Washita County Weather

A Warm Hub in the Southern Plains

Washita County maintains an average annual temperature of 60.0°F, placing it significantly warmer than the national median of roughly 54.4°F. This humid subtropical climate experiences long, intense summers and relatively mild winters compared to the rest of the United States.

Aligned with the Oklahoma Average

The county's 60.0°F annual average sits nearly identical to the Oklahoma state average of 60.4°F. While it mirrors the state's thermal profile, its annual precipitation of 28.8 inches is notably lower than the statewide average of 37.2 inches.

Drier than Eastern Oklahoma Neighbors

Washita County is considerably more arid than counties to the east, receiving roughly 8.4 fewer inches of rain than the state average. Its summer average of 80.7°F reflects a heat profile common across the central Oklahoma plains.

Three Months of Extreme Summer Heat

Residents face 90 days per year where temperatures reach or exceed 90°F, centered around a scorching July average of 82.7°F. Winter remains manageable with a January average of 38.2°F and a modest 6.6 inches of annual snowfall.

Prioritize Cooling and Water Conservation

High-efficiency HVAC systems are essential to manage the 90 days of extreme heat each year. Given the low 28.8 inches of annual rainfall, homeowners should also consider drought-resistant landscaping and water-efficient outdoor planning.

Frequently Asked Questions

What is the average temperature in Washita County?
The average annual temperature in Washita County, OK is 60.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Washita County get?
Washita County receives an average of 28.8 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 Washita County?
Yes, Washita County receives an average of 6.6 inches of snowfall per year according to NOAA climate normals.
How hot does Washita County get in summer?
The average summer temperature (June-August) in Washita County is 80.7°F. The county experiences an average of 90.1 days per year above 90°F.
How cold are winters in Washita County?
The average winter temperature (December-February) in Washita County is 39.8°F. January, typically the coldest month, averages 38.2°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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