weatherbycounty

Otsego County Climate

JanFebMarAprMayJunJulAugSepOctNovDec42.5°AVG °F

Avg Annual Temp

42.5°F

Annual Precip

34.8"

Annual Snowfall

124.3"

Extreme Heat Days

4

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.5"
1.7"
2.0"
3.2"
3.1"
3.1"
2.9"
3.5"
3.6"
3.9"
2.9"
2.6"
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

1,859

Favors cool-season crops

Last spring frost (32°F): 05/22
First fall frost (32°F): 09/30

Seasonal Overview

Comfort ZoneSpring27°53°8.2"Summer62°66°9.4"Fall34°58°10.4"Winter17°24°6.7"20°40°60°80°100°

National Comparison

Warmer than 6% of US counties
Wetter than 34% of US counties
More seasonal variation than 79% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Otsego County

Climate Verdict

Otsego County has a cool, averaging 42.5°F annually, moderate rainfall of 34.8 inches per year, rare extreme heat with only 3.54 days above 90°F annually, heavy winter snowfall averaging 124.3 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 17.3°F. summers are pleasantly cool with July averaging 66.2°F. The 49°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

Otsego County is 3.2°F cooler than the Michigan statewide average of 45.7°F.

Climate Profile

About Otsego County Weather

Otsego County remains significantly cooler than national norms

With an annual average temperature of 42.5°F, Otsego County sits well below the national median for the United States. Its continental climate delivers a cold baseline compared to the 34.8 inches of precipitation it receives annually.

A cold outlier in the Michigan landscape

The county's average temperature of 42.5°F is 3.2 degrees colder than the Michigan state average of 45.7°F. This gap places it among the chillier regions of the Lower Peninsula.

Colder and snowier than its southern neighbors

Otsego County is notably colder than Roscommon County, which averages 44.0°F. While both regions face northern winters, Otsego deals with more intense lake-effect patterns that drive its climate downward.

Brutal winters define the local seasonal cycle

Winter dominates the calendar with an average of 124.3 inches of snow and January lows of 17.3°F. Summers are mild and brief, averaging 64.4°F with only 4 days reaching 90°F or higher.

Heavy snow equipment is a local necessity

Residents prioritize high-capacity snow removal tools and extreme cold-weather gear to manage the 124-inch annual snowfall. Heating systems require significant winter maintenance, while air conditioning is rarely used given the low count of extreme heat days.

Frequently Asked Questions

What is the average temperature in Otsego County?
The average annual temperature in Otsego County, MI is 42.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Otsego County get?
Otsego County receives an average of 34.8 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 Otsego County?
Yes, Otsego County receives an average of 124.3 inches of snowfall per year according to NOAA climate normals.
How hot does Otsego County get in summer?
The average summer temperature (June-August) in Otsego County is 64.4°F. The county experiences an average of 4 days per year above 90°F.
How cold are winters in Otsego County?
The average winter temperature (December-February) in Otsego County is 19.8°F. January, typically the coldest month, averages 17.3°F.

Track your own weather in Otsego 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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