Lafayette County Climate

Lafayette County, Missouri

JanFebMarAprMayJunJulAugSepOctNovDec54.3°AVG °F

Avg Annual Temp

54.3°F

Annual Precip

41.9"

Annual Snowfall

13.8"

Extreme Heat Days

31.95

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.6"
1.9"
2.9"
4.3"
5.5"
4.9"
5.0"
4.1"
4.1"
3.2"
2.5"
1.9"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring44°64°12.7"Summer74°78°14.0"Fall43°68°9.8"Winter28°33°5.5"20°40°60°80°100°

National Comparison

Warmer than 48% of US counties
Wetter than 50% of US counties
More seasonal variation than 74% of US counties

Climate Profile

About Lafayette County Weather

A Typical Heartland Temperature Profile

Lafayette County aligns closely with the national median with an average annual temperature of 54.3°F. This temperate continental climate provides a balanced experience of all four seasons.

Slightly Cooler Than the Missouri Average

The county sits slightly below the state average temperature of 54.9°F. Its 41.9 inches of annual precipitation also tracks just behind the state mean of 43.8 inches.

Bridging the Gap Between North and South

With 13.8 inches of snow, Lafayette receives less than northern counties like Linn but more than southern Lawrence. It maintains a cooler summer profile than neighbors in the Ozarks.

Sharp Swings from Snow to Sun

Residents face 32 days of extreme heat above 90°F during the 77.6°F July peaks. Winters are cold, averaging 31.4°F with nearly 14 inches of annual snowfall.

Prepare for Humidity and Winter Chill

Efficient HVAC systems are essential to manage the month of extreme heat. Residents should also keep snow removal tools ready for the 13.8 inches of average winter accumulation.

Frequently Asked Questions

What is the average temperature in Lafayette County?
The average annual temperature in Lafayette County, MO is 54.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Lafayette County get?
Lafayette County receives an average of 41.9 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 Lafayette County?
Yes, Lafayette County receives an average of 13.8 inches of snowfall per year according to NOAA climate normals.
How hot does Lafayette County get in summer?
The average summer temperature (June-August) in Lafayette County is 75.8°F. The county experiences an average of 31.95 days per year above 90°F.
How cold are winters in Lafayette County?
The average winter temperature (December-February) in Lafayette County is 31.4°F. January, typically the coldest month, averages 28.3°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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