Fillmore County Climate
Fillmore County, Minnesota
Avg Annual Temp
44.3°F
Annual Precip
36.9"
Annual Snowfall
44.4"
Extreme Heat Days
8.05
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.