weatherbycounty

Adams County Climate

JanFebMarAprMayJunJulAugSepOctNovDec45.0°AVG °F

Avg Annual Temp

45.0°F

Annual Precip

35.1"

Annual Snowfall

52.0"

Extreme Heat Days

11

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.3"
1.3"
1.9"
3.4"
4.2"
4.5"
4.6"
4.3"
3.5"
2.5"
1.9"
1.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

4b

Minimum winter temperature range for plant survival

Growing Degree Days

2,476

Favors cool-season crops

Last spring frost (32°F): 05/09
First fall frost (32°F): 10/03

Seasonal Overview

Comfort ZoneSpring31°57°9.5"Summer67°71°13.5"Fall35°61°7.9"Winter16°22°4.2"20°40°60°80°100°

National Comparison

Warmer than 13% of US counties
Wetter than 35% of US counties
More seasonal variation than 92% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Adams County

Climate Verdict

Adams County has a cool, averaging 45.0°F annually, moderate rainfall of 35.1 inches per year, rare extreme heat with only 10.6 days above 90°F annually, moderate snowfall of 52.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 15.7°F. summers are warm — July averages 70.8°F. Residents experience a substantial 55°F difference between winter and summer.

Outdoor & Gardening Guidance

Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.

Regional Context

Adams County closely matches the Wisconsin statewide average temperature of 44.4°F.

Climate Profile

About Adams County Weather

A Classic Northern Continental Climate

Adams County averages 45.0°F annually, which sits significantly lower than the national median of approximately 54°F. This reflects a typical Midwestern continental pattern characterized by four distinct and varying seasons.

Slightly Warmer Than the Wisconsin Average

The county's 45.0°F annual temperature makes it slightly warmer than the Wisconsin state average of 44.4°F. It experiences a relatively typical climate for the central part of the state.

Warmer Conditions Than Northern Neighbors

With 35.1 inches of annual precipitation, Adams County is wetter than Brown County to the east. Its annual temperature is notably higher than northern counties like Bayfield, which averages only 41.1°F.

From Deep Freezes to Summer Swelter

January temperatures average a chilly 15.7°F, while July heats up to 70.8°F. The county sees 11 extreme heat days reaching 90°F or higher and handles 52 inches of annual snowfall.

Prepare for Snow and Summer Heat

Residents need high-efficiency HVAC systems to manage 11 days of extreme heat and winter averages of 19.2°F. Heavy-duty snow removal equipment is essential for the 52 inches of yearly accumulation.

Frequently Asked Questions

What is the average temperature in Adams County?
The average annual temperature in Adams County, WI is 45.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Adams County get?
Adams County receives an average of 35.1 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 52.0 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 68.9°F. The county experiences an average of 11 days per year above 90°F.
How cold are winters in Adams County?
The average winter temperature (December-February) in Adams County is 19.2°F. January, typically the coldest month, averages 15.7°F.

Track your own weather in Adams County

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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