Hamilton County Climate

Hamilton County, Kansas

JanFebMarAprMayJunJulAugSepOctNovDec53.4°AVG °F

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

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.3"
0.4"
0.9"
1.4"
2.0"
2.3"
3.3"
2.8"
1.1"
1.4"
0.5"
0.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring43°62°4.4"Summer73°78°8.4"Fall41°68°2.9"Winter30°34°1.3"20°40°60°80°100°

National Comparison

Warmer than 45% of US counties
Wetter than 10% of US counties
More seasonal variation than 68% of US counties

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

What is the average temperature in Hamilton County?
The average annual temperature in Hamilton County, KS is 53.4°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Hamilton County get?
Hamilton County receives an average of 17.0 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Hamilton County?
Yes, Hamilton County receives an average of 16.9 inches of snowfall per year according to NOAA climate normals.
How hot does Hamilton County get in summer?
The average summer temperature (June-August) in Hamilton County is 75.5°F. The county experiences an average of 74.1 days per year above 90°F.
How cold are winters in Hamilton County?
The average winter temperature (December-February) in Hamilton County is 31.5°F. January, typically the coldest month, averages 30.0°F.

Track your own weather in Hamilton 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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