Ottawa County Climate
Ottawa County, Kansas
Avg Annual Temp
55.0°F
Annual Precip
31.0"
Annual Snowfall
15.4"
Extreme Heat Days
68.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.