Oakland County Climate
Oakland County, Michigan
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
47.7°F
Annual Precip
32.8"
Annual Snowfall
44.8"
Extreme Heat Days
9
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
2,606
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Oakland County
Climate Verdict
Oakland County has a cool, averaging 47.7°F annually, moderate rainfall of 32.8 inches per year, rare extreme heat with only 9.15 days above 90°F annually, moderate snowfall of 44.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 23.0°F. summers are warm — July averages 71.0°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
Oakland County closely matches the Michigan statewide average temperature of 45.7°F.
Climate Profile
About Oakland County Weather
A Mild Suburban Climate
Oakland County's 47.7°F annual temperature is roughly 5 degrees cooler than the national median. While it experiences four distinct seasons, its climate is more moderate than the rural northern counties.
One of Michigan's Warmer Spots
Oakland County averages 47.7°F, placing it well above the Michigan state average of 45.7°F. It is also slightly drier than average, receiving 32.8 inches of precipitation annually.
Warmer and Drier than Average
Oakland is nearly 2 degrees warmer than Newaygo County to the northwest. It receives significantly less snow than lakeshore counties, averaging just 44.8 inches per year.
Warm Summers and Predictable Winters
With 9 days per year reaching 90°F, Oakland is warmer in the summer than many other Michigan counties. Winter remains chilly but manageable, with an average December-February temperature of 25.4°F.
Balance Heating and Cooling
Central air conditioning is a worthwhile investment for the 9 days of extreme heat and 71.0°F July average. Residents should also prepare for moderate snowfall of 44.8 inches with standard winter gear.
Frequently Asked Questions
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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.