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Marion County Climate

JanFebMarAprMayJunJulAugSepOctNovDec61.2°AVG °F

Avg Annual Temp

61.2°F

Annual Precip

63.9"

Annual Snowfall

1.1"

Extreme Heat Days

62

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
5.7"
6.1"
5.5"
6.0"
5.7"
5.2"
5.3"
4.7"
4.2"
4.2"
4.8"
6.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7b

Minimum winter temperature range for plant survival

Growing Degree Days

5,067

Excellent for heat-loving crops

Last spring frost (32°F): 04/11
First fall frost (32°F): 11/09

Seasonal Overview

Comfort ZoneSpring53°69°17.2"Summer76°80°15.1"Fall51°73°13.2"Winter41°45°18.4"20°40°60°80°100°

National Comparison

Warmer than 75% of US counties
Wetter than 98% of US counties
More seasonal variation than 27% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Marion County

Climate Verdict

Marion County has a warm, averaging 61.2°F year-round, very wet conditions receiving 63.9 inches of precipitation annually, significant summer heat with 62.349999999999994 days annually above 90°F, light snow averaging 1.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 41.3°F. summers are warm — July averages 79.5°F. The 38°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

Marion County closely matches the Alabama statewide average temperature of 63.2°F, it is also noticeably wetter, receiving 6.5 inches more precipitation than the state average.

Climate Profile

About Marion County Weather

Wetter and warmer than average

Marion County averages 61.2°F annually, sitting above the national median. It stands out for its high precipitation, recording 63.9 inches of rain every year.

One of Alabama's wettest counties

While its temperature is 2 degrees below the state average, its rainfall of 63.9 inches far exceeds the Alabama mean of 57.4. It is one of the dampest areas in the state.

Cooler but much wetter neighbors

Marion shares a 61.2°F average with Madison but receives nearly 8 more inches of rain annually. It experiences 62 extreme heat days, more than neighbors like Marshall.

Rainy seasons and hot Julys

July temperatures average 79.5°F, fueling 62 days above 90°F annually. The county sees 1.1 inches of snow during its mild 43.4°F winter season.

Prioritize drainage and flood prep

With nearly 64 inches of annual rain, robust drainage systems and sump pumps are vital. Residents should also prepare for 62 days of extreme heat each summer.

Frequently Asked Questions

What is the average temperature in Marion County?
The average annual temperature in Marion County, AL is 61.2°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Marion County get?
Marion County receives an average of 63.9 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 Marion County?
Yes, Marion County receives an average of 1.1 inches of snowfall per year according to NOAA climate normals.
How hot does Marion County get in summer?
The average summer temperature (June-August) in Marion County is 78.2°F. The county experiences an average of 62 days per year above 90°F.
How cold are winters in Marion County?
The average winter temperature (December-February) in Marion County is 43.4°F. January, typically the coldest month, averages 41.3°F.

Track your own weather in Marion 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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