Tillman County Climate

Tillman County, Oklahoma

JanFebMarAprMayJunJulAugSepOctNovDec62.9°AVG °F

Avg Annual Temp

62.9°F

Annual Precip

Annual Snowfall

Extreme Heat Days

101.55

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Precipitation data coming soon

Seasonal Overview

Comfort ZoneSpring53°71°0.0"Summer81°85°0.0"Fall52°76°0.0"Winter41°45°0.0"20°40°60°80°100°

National Comparison

Warmer than 78% of US counties

Data pending

More seasonal variation than 48% of US counties

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

What is the average temperature in Tillman County?
The average annual temperature in Tillman County, OK is 62.9°F, based on NOAA 30-year climate normals (1991-2020).
How hot does Tillman County get in summer?
The average summer temperature (June-August) in Tillman County is 83.0°F. The county experiences an average of 101.55 days per year above 90°F.
How cold are winters in Tillman County?
The average winter temperature (December-February) in Tillman County is 42.7°F. January, typically the coldest month, averages 41.0°F.

Track your own weather in Tillman County

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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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