Sibley County Climate
Sibley County, Minnesota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
44.9°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
12
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4b
Minimum winter temperature range for plant survival
2,710
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Sibley County
Climate Verdict
Sibley County has a cool, averaging 44.9°F annually, rare extreme heat with only 12.3 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 13.6°F. summers are warm — July averages 72.7°F. Residents experience a substantial 59°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Sibley County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Sibley County closely matches the Minnesota statewide average temperature of 42.8°F.
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?
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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.