Ralls County Climate

Ralls County, Missouri

JanFebMarAprMayJunJulAugSepOctNovDec55.0°AVG °F

Avg Annual Temp

55.0°F

Annual Precip

40.1"

Annual Snowfall

Extreme Heat Days

36.5

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
1.9"
2.1"
2.7"
4.1"
4.9"
4.7"
4.2"
3.8"
3.9"
3.2"
2.6"
2.0"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring43°65°11.7"Summer75°79°12.7"Fall45°69°9.7"Winter29°34°6.0"20°40°60°80°100°

National Comparison

Warmer than 51% of US counties
Wetter than 45% of US counties
More seasonal variation than 75% of US counties

Climate Profile

About Ralls County Weather

Typical Heartfelt Midwestern Weather

Ralls County’s 55.0°F average annual temperature sits just above the national median. This indicates a climate with robust seasonal shifts and standard precipitation levels.

Aligning Closely with Missouri Norms

Ralls is nearly a perfect match for Missouri’s state average temperature of 54.9°F. Its annual precipitation of 40.1 inches is slightly below the state average, making it a relatively dry part of the state.

Stable Conditions in Northeast Missouri

Ralls is slightly warmer than its neighbor Pike County and experiences more extreme heat days. It shares the same humid continental patterns that define the Mississippi River valley region.

Intense Summer Heat Peaks

The county faces a hot summer with 37 days of temperatures over 90°F and a July average of 78.6°F. Winters are cold but manageable, with a December to February average of 31.8°F.

Prepare for Long Summer Stretches

With 37 extreme heat days, residents should ensure their cooling systems are serviced before June. While snowfall data is limited, winter temperatures frequently drop below freezing, requiring home winterization.

Frequently Asked Questions

What is the average temperature in Ralls County?
The average annual temperature in Ralls County, MO is 55.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Ralls County get?
Ralls County receives an average of 40.1 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Ralls County get in summer?
The average summer temperature (June-August) in Ralls County is 76.8°F. The county experiences an average of 36.5 days per year above 90°F.
How cold are winters in Ralls County?
The average winter temperature (December-February) in Ralls County is 31.8°F. January, typically the coldest month, averages 28.7°F.

Track your own weather in Ralls County

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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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