Hamilton County Climate
Hamilton County, Kansas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
53.4°F
Annual Precip
17.0"
Annual Snowfall
16.9"
Extreme Heat Days
74
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,688
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Hamilton County
Climate Verdict
Hamilton County has a mild, with an average annual temperature of 53.4°F, semi-arid conditions with only 17.0 inches of annual precipitation, significant summer heat with 74.1 days annually above 90°F, light snow averaging 16.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 30.0°F. summers are warm — July averages 77.9°F. The 48°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Hamilton County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Hamilton County closely matches the Kansas statewide average temperature of 54.8°F, it is also noticeably drier, receiving 13.3 inches less precipitation than the state average, the county experiences 15.918809523809507 more extreme heat days than the state average.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.