Maries County Climate

Maries County, Missouri

JanFebMarAprMayJunJulAugSepOctNovDec56.5°AVG °F

Avg Annual Temp

56.5°F

Annual Precip

44.0"

Annual Snowfall

Extreme Heat Days

32.9

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
2.3"
2.2"
3.5"
4.7"
5.1"
4.8"
4.5"
3.7"
3.9"
3.1"
3.5"
2.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring47°66°13.3"Summer74°79°13.1"Fall46°69°10.5"Winter33°37°7.2"20°40°60°80°100°

National Comparison

Warmer than 57% of US counties
Wetter than 54% of US counties
More seasonal variation than 59% of US counties

Climate Profile

About Maries County Weather

Warmer than the National Median

Maries County averages 56.5°F annually, placing it above the national median for U.S. counties. The region experiences a humid subtropical climate with 44 inches of annual precipitation. This moisture level matches the state average while providing a lush, green environment.

Above the Missouri Average

The county's average temperature of 56.5°F is roughly 1.6 degrees warmer than the Missouri state average of 54.9°F. This makes Maries one of the warmer central counties in the state. It typically experiences less severe winter cooling than northern Missouri regions.

Mirroring Miller County Patterns

Maries County shares an identical annual average temperature of 56.5°F with its neighbor, Miller County. Both counties see similar July peaks near 78°F, though Maries receives slightly more annual rainfall at 44 inches. This consistency creates a stable climate profile across the central Ozark border.

Hot Summers and Mild Winters

Summers are intense with 33 days reaching 90°F or higher and a July average of 78.5°F. Winters remain relatively mild with a January average of 32.8°F. While specific snowfall data is limited, the winter average of 35.5°F suggests most precipitation falls as rain.

Prepare for Humidity and Heat

High efficiency HVAC systems are essential to manage the 33 extreme heat days each year. Residents should plan for heavy spring rainfall, as the county receives 44 inches of precipitation. Consistent moisture and heat make dehumidification a priority for home maintenance.

Frequently Asked Questions

What is the average temperature in Maries County?
The average annual temperature in Maries County, MO is 56.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Maries County get?
Maries County receives an average of 44.0 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Maries County get in summer?
The average summer temperature (June-August) in Maries County is 76.6°F. The county experiences an average of 32.9 days per year above 90°F.
How cold are winters in Maries County?
The average winter temperature (December-February) in Maries County is 35.5°F. January, typically the coldest month, averages 32.8°F.

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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.

Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

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