Hamilton County Climate
Hamilton County, Kansas
Avg Annual Temp
53.4°F
Annual Precip
17.0"
Annual Snowfall
16.9"
Extreme Heat Days
74.1
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Hamilton County Weather
A Dry and Sunny Frontier
Hamilton County is cool but arid, with an annual average of 53.4°F and only 17.0 inches of precipitation. This rainfall level is significantly lower than the national median, creating a desert-like environment.
The Driest County in the Set
Receiving only 17.0 inches of rain, Hamilton County is nearly 13 inches drier than the Kansas state average. Its annual temperature of 53.4°F also tracks lower than the 54.8°F state norm.
Facing More Extreme Heat Days
Hamilton County endures 74 days of extreme heat, more than any other county in this group. While it is warmer than Greeley County, it is significantly drier than eastern neighbors like Harvey.
Blistering Heat and Modest Snow
Summer is defined by 74 days over 90°F and a July average of 77.9°F. Winter is cold and dry, averaging 31.5°F between December and February with 16.9 inches of annual snowfall.
Prioritize Water Conservation
The low 17.0-inch rainfall makes water conservation and efficient irrigation essential for residents. With 74 days of triple-digit potential, high-quality cooling systems and UV protection are daily necessities in summer.
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.