Sumter County Climate

Sumter County, Alabama

JanFebMarAprMayJunJulAugSepOctNovDec64.0°AVG °F

Avg Annual Temp

64.0°F

Annual Precip

Annual Snowfall

Extreme Heat Days

75.4

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Precipitation data coming soon

Seasonal Overview

Comfort ZoneSpring57°72°0.0"Summer79°81°0.0"Fall54°75°0.0"Winter46°49°0.0"20°40°60°80°100°

National Comparison

Warmer than 81% of US counties

Data pending

More seasonal variation than 15% of US counties

Climate Profile

About Sumter County Weather

Sumter County Above National Temperature Median

Sumter County averages 64.0°F annually, placing it about 10 degrees above the national median temperature. This reflects a humid subtropical climate with a significant heat surplus.

Sumter Tracks Near the Alabama State Average

The county's average temperature of 64.0°F is just slightly warmer than the Alabama state average of 63.2°F. It represents the consistent thermal profile found along the state's western border.

Milder Than Southern Neighbors, Warmer Than North

Sumter is slightly cooler than Wilcox County at 64.8°F but warmer than Walker County to the north. While local rain data is limited, it shares the high-moisture trends of the region.

Hot Summers and Very Brief Winters

The area experiences 75 extreme heat days each year where temperatures top 90°F. January is mild at 45.5°F, and recorded snowfall is rare enough that local averages are not currently available.

Summer Cooling is a Local Necessity

With 75 days of extreme heat, a reliable HVAC system is the most critical home infrastructure. Indoor activities are preferred during July when average temperatures reach 81.0°F.

Frequently Asked Questions

What is the average temperature in Sumter County?
The average annual temperature in Sumter County, AL is 64.0°F, based on NOAA 30-year climate normals (1991-2020).
How hot does Sumter County get in summer?
The average summer temperature (June-August) in Sumter County is 80.2°F. The county experiences an average of 75.4 days per year above 90°F.
How cold are winters in Sumter County?
The average winter temperature (December-February) in Sumter County is 47.3°F. January, typically the coldest month, averages 45.5°F.

Track your own weather in Sumter County

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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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