Ottawa County Climate

Ottawa County, Kansas

JanFebMarAprMayJunJulAugSepOctNovDec55.0°AVG °F

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

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.8"
1.1"
1.9"
2.5"
4.8"
3.8"
4.4"
3.9"
2.9"
2.4"
1.2"
1.1"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring44°65°9.2"Summer75°81°12.2"Fall43°70°6.6"Winter29°34°3.0"20°40°60°80°100°

National Comparison

Warmer than 51% of US counties
Wetter than 27% of US counties
More seasonal variation than 79% of US counties

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

What is the average temperature in Ottawa County?
The average annual temperature in Ottawa County, KS is 55.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Ottawa County get?
Ottawa County receives an average of 31.0 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 Ottawa County?
Yes, Ottawa County receives an average of 15.4 inches of snowfall per year according to NOAA climate normals.
How hot does Ottawa County get in summer?
The average summer temperature (June-August) in Ottawa County is 78.1°F. The county experiences an average of 68.6 days per year above 90°F.
How cold are winters in Ottawa County?
The average winter temperature (December-February) in Ottawa County is 31.6°F. January, typically the coldest month, averages 29.3°F.

Track your own weather in Ottawa 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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