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Scott County Climate

JanFebMarAprMayJunJulAugSepOctNovDec58.6°AVG °F

Avg Annual Temp

58.6°F

Annual Precip

48.8"

Annual Snowfall

3.1"

Extreme Heat Days

52

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.6"
3.8"
4.8"
5.3"
5.0"
4.0"
3.9"
3.3"
3.4"
3.6"
4.2"
3.9"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7a

Minimum winter temperature range for plant survival

Growing Degree Days

4,697

Excellent for heat-loving crops

Last spring frost (32°F): 04/05
First fall frost (32°F): 11/06

Seasonal Overview

Comfort ZoneSpring48°69°15.2"Summer77°80°11.2"Fall48°71°11.2"Winter35°39°11.2"20°40°60°80°100°

National Comparison

Warmer than 66% of US counties
Wetter than 72% of US counties
More seasonal variation than 60% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Scott County

Climate Verdict

Scott County has a mild, with an average annual temperature of 58.6°F, moderately wet with 48.8 inches of annual precipitation, occasional hot days — 51.650000000000006 per year above 90°F, light snow averaging 3.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 35.3°F. summers are hot, with July averaging 80.2°F. The 45°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

Scott County is 3.7°F warmer than the Missouri statewide average of 54.9°F, it is also noticeably wetter, receiving 5.1 inches more precipitation than the state average.

Climate Profile

About Scott County Weather

Subtropical warmth in Southeast Missouri

Scott County's 58.6°F annual average is among the warmest in the Midwest and exceeds the national median. This climate is defined by long, hot summers and very short, mild winters.

One of Missouri's warmest regions

At 58.6°F, Scott County is nearly four degrees warmer than the Missouri state average. It also receives 48.8 inches of precipitation, making it significantly wetter than the northern half of the state.

Echoing the humid Ozark border climate

Scott County shares a similar warmth and high rainfall profile with Ripley County. However, it receives even less snow, with only 3.1 inches compared to the 15-20 inches seen in northern Missouri.

Intense summer heat and minimal snow

Residents face a grueling 52 days of extreme heat over 90°F each year. July averages hit 80.2°F, while winters remain mild with a January average of 35.3°F and very little snow.

Focus on extreme heat and humidity

High-efficiency cooling and dehumidification are essential to survive the 52 days of extreme heat. While winter gear isn't a major priority, waterproof boots are helpful for the 48.8 inches of annual rain.

Frequently Asked Questions

What is the average temperature in Scott County?
The average annual temperature in Scott County, MO is 58.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Scott County get?
Scott County receives an average of 48.8 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 Scott County?
Yes, Scott County receives an average of 3.1 inches of snowfall per year according to NOAA climate normals.
How hot does Scott County get in summer?
The average summer temperature (June-August) in Scott County is 78.6°F. The county experiences an average of 52 days per year above 90°F.
How cold are winters in Scott County?
The average winter temperature (December-February) in Scott County is 37.9°F. January, typically the coldest month, averages 35.3°F.

Track your own weather in Scott 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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