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New Madrid County Climate

New Madrid County, Missouri

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec58.9°AVG °F

Avg Annual Temp

58.9°F

Annual Precip

49.3"

Annual Snowfall

Extreme Heat Days

56

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
3.8"
3.6"
4.3"
5.1"
5.5"
4.2"
3.7"
2.6"
3.9"
4.0"
4.2"
4.4"
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

4,747

Excellent for heat-loving crops

Last spring frost (32°F): 03/28
First fall frost (32°F): 11/03

Seasonal Overview

Comfort ZoneSpring48°69°14.9"Summer77°81°10.4"Fall48°71°12.1"Winter36°40°11.8"20°40°60°80°100°

National Comparison

Warmer than 67% of US counties
Wetter than 73% of US counties
More seasonal variation than 60% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: New Madrid County

Climate Verdict

New Madrid County has a mild, with an average annual temperature of 58.9°F, moderately wet with 49.3 inches of annual precipitation, occasional hot days — 55.6 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 35.6°F. summers are hot, with July averaging 80.5°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

New Madrid County is 4.0°F warmer than the Missouri statewide average of 54.9°F, it is also noticeably wetter, receiving 5.6 inches more precipitation than the state average, the county experiences 18.88263239875389 more extreme heat days than the state average.

Climate Profile

About New Madrid County Weather

A Warmer Pocket of the American Midwest

New Madrid County maintains an average annual temperature of 58.9°F, significantly warmer than the national median. This humid subtropical climate stays active year-round with nearly 50 inches of annual precipitation.

Well Above the Missouri Average

The county's 58.9°F annual average sits four degrees higher than the Missouri state average of 54.9°F. This makes it one of the warmest regions in the state, driven by its southern position in the Bootheel.

Regional Heat in the Bootheel

New Madrid is slightly cooler than neighboring Pemiscot County, which averages 59.5°F. However, it remains much warmer and wetter than central Missouri counties like Osage.

Long Summers and Mild Winters

Residents face 56 extreme heat days per year where temperatures top 90°F. While specific snowfall data is limited, the winter average of 38.0°F suggests that frozen precipitation is less frequent here than in northern Missouri.

Preparing for Humidity and Heat

Homeowners should prioritize high-efficiency cooling systems to manage the 56 days of extreme summer heat. With 49.3 inches of rain annually, ensuring proper property drainage and moisture barriers is essential.

Frequently Asked Questions

What is the average temperature in New Madrid County?
The average annual temperature in New Madrid County, MO is 58.9°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does New Madrid County get?
New Madrid County receives an average of 49.3 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does New Madrid County get in summer?
The average summer temperature (June-August) in New Madrid County is 78.8°F. The county experiences an average of 56 days per year above 90°F.
How cold are winters in New Madrid County?
The average winter temperature (December-February) in New Madrid County is 38.0°F. January, typically the coldest month, averages 35.6°F.

Track your own weather in New Madrid 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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