Washita County Climate
Washita County, Oklahoma
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
Precipitation Calendar
Seasonal Overview
National Comparison
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
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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.