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Calhoun County Climate

Calhoun County, Michigan

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec49.3°AVG °F

Avg Annual Temp

49.3°F

Annual Precip

34.9"

Annual Snowfall

40.4"

Extreme Heat Days

10

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.1"
1.6"
1.9"
3.1"
3.9"
3.7"
3.8"
3.8"
3.3"
3.5"
2.4"
1.9"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6a

Minimum winter temperature range for plant survival

Growing Degree Days

2,899

Supports most vegetables & fruits

Last spring frost (32°F): 04/30
First fall frost (32°F): 10/19

Seasonal Overview

Comfort ZoneSpring36°59°8.9"Summer69°73°11.3"Fall40°64°9.2"Winter24°30°5.6"20°40°60°80°100°

National Comparison

Warmer than 27% of US counties
Wetter than 34% of US counties
More seasonal variation than 75% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Calhoun County

Climate Verdict

Calhoun County has a cool, averaging 49.3°F annually, moderate rainfall of 34.9 inches per year, rare extreme heat with only 10 days above 90°F annually, moderate snowfall of 40.4 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 24.3°F. summers are warm — July averages 72.5°F. The 48°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

Calhoun County is 3.6°F warmer than the Michigan statewide average of 45.7°F.

Climate Profile

About Calhoun County Weather

Mild Annual Temps in Central Michigan

Calhoun County records an average annual temperature of 49.3°F, trailing the national median by roughly 5 degrees. It offers a balanced climate that avoids the extreme cold found further north.

Consistently Warmer Than the State Average

At 49.3°F, Calhoun is nearly 4 degrees warmer than the Michigan state average of 45.7°F. Its precipitation level of 34.9 inches sits almost exactly on par with the statewide norm.

Moderate Snow Compared to the Coast

The county receives 40.4 inches of snow annually, which is relatively light for the region. This is roughly 34 inches less snow than neighbors closer to the Lake Michigan shoreline.

Double Digit Extreme Heat Days

Summer is warm with a July average of 72.5°F and 10 days of extreme heat over 90°F. Winter temperatures average 26.9°F, providing a distinct but not punishing cold season.

Balance Cooling and Winter Gear

Because the county sees 10 days of 90°F heat, central air is a standard necessity for comfort. Residents can rely on standard snow removal tools rather than the heavy equipment needed in the snow belts.

Frequently Asked Questions

What is the average temperature in Calhoun County?
The average annual temperature in Calhoun County, MI is 49.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Calhoun County get?
Calhoun County receives an average of 34.9 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 Calhoun County?
Yes, Calhoun County receives an average of 40.4 inches of snowfall per year according to NOAA climate normals.
How hot does Calhoun County get in summer?
The average summer temperature (June-August) in Calhoun County is 70.7°F. The county experiences an average of 10 days per year above 90°F.
How cold are winters in Calhoun County?
The average winter temperature (December-February) in Calhoun County is 26.9°F. January, typically the coldest month, averages 24.3°F.

Track your own weather in Calhoun 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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