Fillmore County Climate
Fillmore County, Minnesota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
44.3°F
Annual Precip
36.9"
Annual Snowfall
44.4"
Extreme Heat Days
8
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4b
Minimum winter temperature range for plant survival
2,377
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Fillmore County
Climate Verdict
Fillmore County has a cool, averaging 44.3°F annually, moderate rainfall of 36.9 inches per year, rare extreme heat with only 8.05 days above 90°F annually, moderate snowfall of 44.4 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 14.6°F. summers are warm — July averages 70.2°F. Residents experience a substantial 56°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Fillmore County closely matches the Minnesota statewide average temperature of 42.8°F, it is also noticeably wetter, receiving 6.9 inches more precipitation than the state average.
Climate Profile
About Fillmore County Weather
Higher Rainfall in the Heartland
Fillmore County averages 44.3°F annually, which is cooler than the national median. However, its 36.9 inches of annual precipitation is high, reflecting a more humid continental climate.
The State's Wettest Corner
The county is significantly wetter than the state average, receiving 6.9 extra inches of precipitation annually. Its 44.3°F temperature also outpaces the 42.8°F state average.
Rainier than its Neighbors
Fillmore is wetter than both Goodhue and Freeborn counties, which receive about 2 to 3 inches less rain. Its January average of 14.6°F is slightly milder than many central Minnesota counties.
Consistent Snow and Warm Summers
Winters feature 44.4 inches of snow and a January low average of 14.6°F. Summers are pleasant with eight days of 90°F heat and a July average of 70.2°F.
Prioritize Moisture Control
Given the 36.9 inches of annual precipitation, homeowners should focus on gutter maintenance and basement waterproofing. The 44.4 inches of snow requires reliable winter equipment and thermal clothing.
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.