Wapello County Climate

Wapello County, Iowa

JanFebMarAprMayJunJulAugSepOctNovDec50.7°AVG °F

Avg Annual Temp

50.7°F

Annual Precip

37.0"

Annual Snowfall

23.6"

Extreme Heat Days

19.2

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.0"
1.4"
2.2"
3.8"
5.0"
5.4"
3.9"
4.4"
3.5"
2.8"
2.1"
1.4"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring40°62°11.0"Summer72°75°13.7"Fall40°65°8.4"Winter23°28°3.9"20°40°60°80°100°

National Comparison

Warmer than 34% of US counties
Wetter than 38% of US counties
More seasonal variation than 81% of US counties

Climate Profile

About Wapello County Weather

Wapello County's Balanced Continental Profile

Wapello County averages 50.7°F annually, placing it within the standard range for a continental climate. This temperature is slightly cooler than the U.S. median but provides four very distinct seasons.

Consistently Warmer Than the State Average

At 50.7°F, Wapello stays nearly three degrees warmer than the Iowa state average of 48.0°F. Precipitation remains steady at 37.0 inches per year, mirroring the state's typical moisture levels.

Warmer Than Central Iowa Peers

Wapello's 50.7°F average is nearly a full degree warmer than Warren County's 49.9°F. It shares similar winter lows with Van Buren County, though it sees fewer extreme heat days than its southern neighbor.

A Steady Mix of Heat and Snow

Summers reach a July average of 75.1°F with 19 days peaking over 90°F. Winter is defined by 23.6 inches of snowfall and a cold January average of 22.9°F.

Equip for Both Ice and Sun

Residents need reliable snow removal tools for the 23.6 inches of winter accumulation. Because extreme heat days are relatively common, checking attic insulation helps maintain cooling efficiency during July peaks.

Frequently Asked Questions

What is the average temperature in Wapello County?
The average annual temperature in Wapello County, IA is 50.7°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Wapello County get?
Wapello County receives an average of 37.0 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 Wapello County?
Yes, Wapello County receives an average of 23.6 inches of snowfall per year according to NOAA climate normals.
How hot does Wapello County get in summer?
The average summer temperature (June-August) in Wapello County is 73.2°F. The county experiences an average of 19.2 days per year above 90°F.
How cold are winters in Wapello County?
The average winter temperature (December-February) in Wapello County is 26.2°F. January, typically the coldest month, averages 22.9°F.

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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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