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Dallas County Climate

JanFebMarAprMayJunJulAugSepOctNovDec64.6°AVG °F

Avg Annual Temp

64.6°F

Annual Precip

54.5"

Annual Snowfall

0.3"

Extreme Heat Days

75

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
5.1"
5.5"
5.4"
4.4"
3.9"
4.5"
4.8"
4.6"
3.8"
3.0"
4.3"
5.3"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

8b

Minimum winter temperature range for plant survival

Growing Degree Days

5,902

Excellent for heat-loving crops

Last spring frost (32°F): 03/21
First fall frost (32°F): 11/09

Seasonal Overview

Comfort ZoneSpring57°72°13.7"Summer79°82°13.9"Fall55°76°11.0"Winter46°50°15.9"20°40°60°80°100°

National Comparison

Warmer than 86% of US counties
Wetter than 87% of US counties
More seasonal variation than 16% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Dallas County

Climate Verdict

Dallas County has a warm, averaging 64.6°F year-round, moderately wet with 54.5 inches of annual precipitation, significant summer heat with 74.94999999999999 days annually above 90°F, light snow averaging 0.3 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 46.1°F. summers are hot, with July averaging 81.5°F. The 35°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.

Regional Context

Dallas County closely matches the Alabama statewide average temperature of 63.2°F, it is somewhat drier than average for Alabama.

Climate Profile

About Dallas County Weather

A Warm Central Alabama Climate

Dallas County averages 64.6°F annually, placing it comfortably above the national median temperature. It experiences the classic humid subtropical weather typical of the American South.

Typical of the Alabama Interior

The county's 64.6°F average is slightly warmer than the state average of 63.2°F. It bridges the gap between the cooler northern hills and the hot southern plains.

Warmer Than Its Northern Neighbors

Dallas is over two degrees warmer than Coosa County, which sits at 62.5°F. However, it remains cooler than the extreme heat found in Dale County at 67.8°F.

Seventy-Five Days of Extreme Heat

Summer temperatures average 80.4°F with 75 days reaching 90°F or higher. Winters are mild at 48.3°F, and snowfall is rare, averaging just 0.3 inches per year.

Prepare for Long Summer Seasons

With 75 extreme heat days, residents need reliable cooling and attic insulation. The 54.5 inches of annual rainfall also necessitates regular maintenance of home drainage systems.

Frequently Asked Questions

What is the average temperature in Dallas County?
The average annual temperature in Dallas County, AL is 64.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Dallas County get?
Dallas County receives an average of 54.5 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Dallas County?
Yes, Dallas County receives an average of 0.3 inches of snowfall per year according to NOAA climate normals.
How hot does Dallas County get in summer?
The average summer temperature (June-August) in Dallas County is 80.4°F. The county experiences an average of 75 days per year above 90°F.
How cold are winters in Dallas County?
The average winter temperature (December-February) in Dallas County is 48.3°F. January, typically the coldest month, averages 46.1°F.

Track your own weather in Dallas 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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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