Sibley County Climate

Sibley County, Minnesota

JanFebMarAprMayJunJulAugSepOctNovDec44.9°AVG °F

Avg Annual Temp

44.9°F

Annual Precip

Annual Snowfall

Extreme Heat Days

12.3

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Precipitation data coming soon

Seasonal Overview

Comfort ZoneSpring30°58°0.0"Summer69°73°0.0"Fall33°62°0.0"Winter14°20°0.0"20°40°60°80°100°

National Comparison

Warmer than 12% of US counties

Data pending

More seasonal variation than 92% of US counties

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

What is the average temperature in Sibley County?
The average annual temperature in Sibley County, MN is 44.9°F, based on NOAA 30-year climate normals (1991-2020).
How hot does Sibley County get in summer?
The average summer temperature (June-August) in Sibley County is 70.6°F. The county experiences an average of 12.3 days per year above 90°F.
How cold are winters in Sibley County?
The average winter temperature (December-February) in Sibley County is 16.9°F. January, typically the coldest month, averages 13.6°F.

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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.

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