Grand Traverse County Climate
Grand Traverse County, Michigan
Avg Annual Temp
46.1°F
Annual Precip
32.2"
Annual Snowfall
101.0"
Extreme Heat Days
6.833333333333333
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Grand Traverse County Weather
Temperate Living in Northern Michigan
Grand Traverse County maintains an average annual temperature of 46.1°F, which is cool compared to the national median. The regional climate is heavily influenced by its proximity to Lake Michigan, which moderates temperature swings.
Slightly Warmer Than State Norms
Despite its northern position, the county’s 46.1°F average is slightly warmer than the Michigan state average of 45.7°F. This lake-moderated climate helps it stand out from colder, more landlocked northern counties.
Managing Significant Lake-Effect Snow
The county receives 101.0 inches of snow annually, which is significantly higher than many inland Michigan counties. Total annual precipitation averages 32.2 inches, trailing just behind the state average of 34.5 inches.
Four Distinct and Active Seasons
January temperatures average 22.6°F, but the lake-effect keeps the air from reaching extreme lows found further inland. July remains comfortable at 69.3°F with only 7 days of extreme heat reaching 90°F or higher.
Balance Snow Tools with Summer Gear
Reliable snow tires and winterized vehicles are essential for navigating the 101.0 inches of annual snowfall. HVAC systems should be rated for both cold winters and the occasional week of 90°F summer humidity.
Frequently Asked Questions
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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.