Adams County Climate

Adams County, Indiana

JanFebMarAprMayJunJulAugSepOctNovDec50.8°AVG °F

Avg Annual Temp

50.8°F

Annual Precip

41.2"

Annual Snowfall

28.0"

Extreme Heat Days

16.55

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.7"
2.3"
2.9"
4.0"
4.7"
4.6"
4.4"
4.0"
3.1"
2.9"
3.1"
2.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring38°61°11.6"Summer71°74°13.0"Fall41°65°9.1"Winter26°31°7.6"20°40°60°80°100°

National Comparison

Warmer than 34% of US counties
Wetter than 48% of US counties
More seasonal variation than 68% of US counties

Climate Profile

About Adams County Weather

A Classic Midwestern Humid Continental Climate

Adams County maintains a cooler-than-average profile with an annual mean of 50.8°F, sitting below the national median. This humid continental climate experiences distinct seasonal swings characteristic of the Midwest region.

Cooler Than the Indiana Average

At 50.8°F, the county sits 1.4 degrees below the Indiana state average of 52.2°F. It ranks among the cooler tiers of Indiana's 92 counties for overall annual temperature.

Wetter and Warmer Than Northern Neighbors

Its 41.2 inches of annual precipitation exceeds neighbor Allen County's 38.5 inches. Temperatures here track closely with other northeast Indiana border counties, though they remain lower than the state average.

Deep Snow and Summer Heat

Residents face 17 extreme heat days above 90°F during the 73.6°F July average. Winters bring a significant 28.0 inches of snowfall and January lows averaging 25.5°F.

Prepare for Snow and Heat Swings

High annual snowfall and 17 extreme heat days require robust insulation and reliable snow removal equipment. Budget for higher heating costs during the 28.2°F winter months.

Frequently Asked Questions

What is the average temperature in Adams County?
The average annual temperature in Adams County, IN is 50.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Adams County get?
Adams County receives an average of 41.2 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 Adams County?
Yes, Adams County receives an average of 28.0 inches of snowfall per year according to NOAA climate normals.
How hot does Adams County get in summer?
The average summer temperature (June-August) in Adams County is 71.9°F. The county experiences an average of 16.55 days per year above 90°F.
How cold are winters in Adams County?
The average winter temperature (December-February) in Adams County is 28.2°F. January, typically the coldest month, averages 25.5°F.

Track your own weather in Adams 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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