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Dane County Climate

JanFebMarAprMayJunJulAugSepOctNovDec46.6°AVG °F

Avg Annual Temp

46.6°F

Annual Precip

38.3"

Annual Snowfall

39.0"

Extreme Heat Days

9

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.6"
1.6"
2.2"
3.9"
4.4"
5.5"
4.4"
4.1"
3.5"
3.0"
2.4"
1.8"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

5a

Minimum winter temperature range for plant survival

Growing Degree Days

2,635

Supports most vegetables & fruits

Last spring frost (32°F): 05/01
First fall frost (32°F): 10/10

Seasonal Overview

Comfort ZoneSpring34°58°10.5"Summer68°71°14.0"Fall36°62°8.9"Winter19°25°4.9"20°40°60°80°100°

National Comparison

Warmer than 18% of US counties
Wetter than 41% of US counties
More seasonal variation than 88% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Dane County

Climate Verdict

Dane County has a cool, averaging 46.6°F annually, moderate rainfall of 38.3 inches per year, rare extreme heat with only 9.400000000000002 days above 90°F annually, moderate snowfall of 39.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 18.6°F. summers are warm — July averages 71.5°F. Residents experience a substantial 53°F difference between winter and summer.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Dane County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Dane County closely matches the Wisconsin statewide average temperature of 44.4°F, it is somewhat wetter than average for Wisconsin.

Climate Profile

About Dane County Weather

Temperate for the Upper Midwest

Dane County averages 46.6°F annually, placing it about 7 degrees below the national median. It enjoys a humid continental climate with four very distinct seasons.

In the state's warmer bracket

With an annual average of 46.6°F, Dane County is significantly warmer than the state average of 44.4°F. It ranks as one of the warmest and most precipitous counties in Wisconsin.

Wetter than its northern neighbors

Dane County's 38.3 inches of annual precipitation is much higher than the state average of 34.5 inches. It is slightly warmer and wetter than neighboring Dodge County to the northeast.

Warm summers and snowy winters

The county sees 9 days per year exceeding 90°F and a July average of 71.5°F. Winters bring 39.0 inches of snow, which is less than the northern counties but still substantial.

Invest in moisture management

High annual precipitation of 38.3 inches makes basement waterproofing and sump pumps important for homeowners. Winter lows of 18.6°F in January also demand reliable, well-maintained furnaces.

Frequently Asked Questions

What is the average temperature in Dane County?
The average annual temperature in Dane County, WI is 46.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Dane County get?
Dane County receives an average of 38.3 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 Dane County?
Yes, Dane County receives an average of 39.0 inches of snowfall per year according to NOAA climate normals.
How hot does Dane County get in summer?
The average summer temperature (June-August) in Dane County is 69.6°F. The county experiences an average of 9 days per year above 90°F.
How cold are winters in Dane County?
The average winter temperature (December-February) in Dane County is 21.8°F. January, typically the coldest month, averages 18.6°F.

Track your own weather in Dane 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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