Ottawa County Climate
Ottawa County, Kansas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
55.0°F
Annual Precip
31.0"
Annual Snowfall
15.4"
Extreme Heat Days
69
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
4,195
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Ottawa County
Climate Verdict
Ottawa County has a mild, with an average annual temperature of 55.0°F, moderate rainfall of 31.0 inches per year, significant summer heat with 68.6 days annually above 90°F, light snow averaging 15.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 29.3°F. summers are hot, with July averaging 80.8°F. Residents experience a substantial 52°F difference between winter and summer.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Ottawa County closely matches the Kansas statewide average temperature of 54.8°F.
Climate Profile
About Ottawa County Weather
Warm Temperatures and National-Avg Rain
Ottawa County’s 55.0°F average is warmer than the national median. It receives 31.0 inches of rain, closely mirroring the average precipitation of the United States.
Perfectly Representative of Kansas Weather
The county’s 55.0°F average nearly matches the Kansas state average of 54.8°F. Precipitation of 31.0 inches is also right in line with the state average of 30.3 inches.
Higher Peak Heat Than Neighbors
It is hotter than its northern neighbors, recording a July average of 80.8°F. The 69 extreme heat days make it one of the warmer spots in its immediate region.
Intense Summer Heat and Dry Cold
Summer is intense with 69 days over 90°F and a July average that tops 80°F. Winter is cold but relatively dry, averaging 31.6°F with 15.4 inches of snowfall.
Focus on Summer Cooling Systems
Prioritize cooling systems to handle the high number of extreme heat days and the 80.8°F July average. Winter maintenance should focus on clearing the 15.4 inches of seasonal snow.
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.