Pennington County Climate
Pennington County, Minnesota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
39.9°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
3b
Minimum winter temperature range for plant survival
2,107
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Pennington County
Climate Verdict
Pennington County has a cold, with an average annual temperature of 39.9°F, rare extreme heat with only 5.5 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are severe, with January averaging a frigid 5.3°F. summers are pleasantly cool with July averaging 68.2°F. Residents experience a substantial 63°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Pennington County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Pennington County closely matches the Minnesota statewide average temperature of 42.8°F.
Climate Profile
About Pennington County Weather
Among the Nation's Coldest Counties
At 39.9°F, Pennington is one of the coldest counties in the nation. It sits more than 12 degrees below the national median temperature.
Cold Even for Minnesota
The county is nearly 3 degrees colder than the Minnesota state average. It ranks as one of the coldest spots in the far northwestern corner of the state.
Typical Far North Temperature Spans
It shares a similar 68.2°F July average with Norman County to the south. While precipitation data is limited, regional trends suggest a dry, cold environment.
Severe Winters and Quick Summers
January is extremely cold with a 5.3°F average, the lowest in this group. Despite the cold, it still sees 6 days of 90°F heat during the short summer.
Preparing for Sub-Zero Streaks
Invest in high-efficiency furnaces and backup power for deep winter freezes. Residents must prepare for sub-zero temperatures that define the 9.6°F winter average.
Frequently Asked Questions
What is the average temperature in Pennington County?
How hot does Pennington County get in summer?
How cold are winters in Pennington County?
Track your own weather in Pennington County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.