Thomas County Climate
Thomas County, Kansas
Avg Annual Temp
51.8°F
Annual Precip
20.7"
Annual Snowfall
21.4"
Extreme Heat Days
58.1
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Thomas County Weather
High Plains climate in Thomas County
Thomas County's 51.8°F average temperature sits slightly below the national median for a semi-arid High Plains climate. The county receives only 20.7 inches of annual precipitation, making it significantly drier than the national average.
Cooler and drier than the Kansas average
With an annual average of 51.8°F, Thomas is one of the cooler counties in Kansas compared to the state average of 54.8°F. It also ranks among the top tier for snowfall in the state, averaging 21.4 inches per year.
A dry outlier among regional neighbors
The county's 20.7 inches of rain is slightly higher than western neighbor Wallace but significantly drier than eastern Kansas. The average temperature is lower than neighboring Trego County to the southeast.
Sweeping temperature swings across the seasons
July highs average 76.7°F, but the county still endures 58 extreme heat days per year where temperatures top 90°F. Winters are brisk with a December-to-February average of 30.3°F and 21.4 inches of annual snow.
Planning for snow and summer heat
High snow totals require reliable snow removal equipment and winterized vehicles for rural travel. Summer cooling costs rise during the 58 extreme heat days, so efficient HVAC systems are essential for residents.
Frequently Asked Questions
What is the average temperature in Thomas County?
How much rain does Thomas County get?
Does it snow in Thomas County?
How hot does Thomas County get in summer?
How cold are winters in Thomas County?
Track your own weather in Thomas County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.