Sibley County Climate
Sibley County, Minnesota
Avg Annual Temp
44.9°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
12.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Precipitation data coming soon
Seasonal Overview
National Comparison
Data pending
Climate Profile
About Sibley County Weather
Warm Summer Peaks in Sibley
Sibley County's annual average temperature of 44.9°F is nearly 9 degrees below the national median. Despite the cooler annual average, its summer peaks are more intense than many neighboring regions.
Among Minnesota's Warmest Counties
Sibley County is significantly warmer than the state average of 42.8°F. It ranks high for temperature among Minnesota counties, largely due to its southern prairie location.
The Heat Leader in the Region
Compared to Scott County, Sibley experiences twice as many extreme heat days each year. Its July average of 72.7°F makes it one of the warmer agricultural hubs in the Minnesota River Valley.
Sweltering Summers and Cold Winters
The county endures 12 days of extreme heat above 90°F, the highest in this group. This is balanced by a winter average of 16.9°F, creating a wide seasonal temperature swing of over 55 degrees.
Prioritizing Summer Cooling
Given the 12 days of extreme heat, residents should ensure air conditioning systems are well-maintained. While snowfall data is unavailable, the 13.6°F January average still requires robust home insulation.
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.