Tillman County Climate
Tillman County, Oklahoma
Avg Annual Temp
62.9°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
101.55
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Precipitation data coming soon
Seasonal Overview
National Comparison
Data pending
Climate Profile
About Tillman County Weather
Exceptional heat in the southwest corner
Tillman County is one of the warmest in the region, with an annual average temperature of 62.9°F. This is nearly ten degrees above the national median, signaling a very hot local climate.
Ranking among Oklahoma's hottest counties
At 62.9°F, the county is significantly warmer than the Oklahoma state average of 60.4°F. July brings extreme conditions with temperatures averaging 84.7°F.
Surpassing neighbors in extreme heat days
Tillman County records a staggering 102 days over 90°F annually, far exceeding the 76 days seen in nearby Stephens County. While rainfall data is limited, the heat profile is clearly the most intense in the set.
Over one hundred days of extreme heat
The county endures 102 days per year with temperatures at or above 90°F. Winter is mild by comparison, averaging 42.7°F, with virtually no significant snow recorded.
Prioritize high-capacity air conditioning
With over 100 days of extreme heat, HVAC systems must be regularly serviced and highly efficient. Residents should avoid outdoor exertion during the peak of the 84.7°F July afternoons.
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.