weatherbycounty

Sevier County Climate

Sevier County, Tennessee

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec52.2°AVG °F

Avg Annual Temp

52.2°F

Annual Precip

63.8"

Annual Snowfall

29.4"

Extreme Heat Days

21

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
5.4"
4.8"
5.7"
5.6"
5.6"
6.3"
6.6"
5.1"
4.9"
3.7"
4.7"
5.5"
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

2,968

Supports most vegetables & fruits

Last spring frost (32°F): 04/17
First fall frost (32°F): 10/25

Seasonal Overview

Comfort ZoneSpring43°60°16.8"Summer66°70°18.0"Fall43°64°13.3"Winter33°37°15.8"20°40°60°80°100°

National Comparison

Warmer than 40% of US counties
Wetter than 98% of US counties
More seasonal variation than 19% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Sevier County

Climate Verdict

Sevier County has a mild, with an average annual temperature of 52.2°F, very wet conditions receiving 63.8 inches of precipitation annually, occasional hot days — 21.099999999999998 per year above 90°F, moderate snowfall of 29.4 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 33.4°F. summers are pleasantly cool with July averaging 69.7°F. The 36°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Sevier County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Sevier County is 5.8°F cooler than the Tennessee statewide average of 58.0°F, it is also noticeably wetter, receiving 8.2 inches more precipitation than the state average, the county experiences 15.359928315412173 fewer extreme heat days than the state average.

Climate Profile

About Sevier County Weather

A Cool Mountain Climate

Sevier County's annual average temperature of 52.2°F is cooler than the national median, reflecting its high-elevation terrain. This mountain climate receives 63.8 inches of annual precipitation, far exceeding typical national rainfall levels.

Among Tennessee's Coolest and Snowiest

At 52.2°F, Sevier County is significantly cooler than the Tennessee average of 58.1°F. It also records 29.4 inches of annual snowfall, which is dramatically higher than the state's typical lowland averages.

Elevated Above Its Eastern Neighbors

Sevier’s climate is defined by the Great Smoky Mountains, making it much snowier than neighboring valley counties. While nearby areas see minimal snow, Sevier's 29.4-inch average stands out as a regional outlier.

Long Winters and Temperate Summers

July averages a comfortable 69.7°F with only 21 days of extreme heat per year. Winters are cold and snowy, with a January average of 33.4°F and nearly 30 inches of snow accumulaton.

Prepare for Snow and Mountain Air

Residents must invest in snow removal equipment and winterized vehicles to handle the 29.4 inches of annual snowfall. The temperate 68.3°F summer average makes it a premier destination for escaping the Southern heat.

Frequently Asked Questions

What is the average temperature in Sevier County?
The average annual temperature in Sevier County, TN is 52.2°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Sevier County get?
Sevier County receives an average of 63.8 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 Sevier County?
Yes, Sevier County receives an average of 29.4 inches of snowfall per year according to NOAA climate normals.
How hot does Sevier County get in summer?
The average summer temperature (June-August) in Sevier County is 68.3°F. The county experiences an average of 21 days per year above 90°F.
How cold are winters in Sevier County?
The average winter temperature (December-February) in Sevier County is 35.5°F. January, typically the coldest month, averages 33.4°F.

Track your own weather in Sevier County

Ambient Weather personal weather stations give you hyperlocal climate data.

Shop Weather Stations →

Sponsored

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
← Back to Tennessee