weatherbycounty

Osage County Climate

JanFebMarAprMayJunJulAugSepOctNovDec54.8°AVG °F

Avg Annual Temp

54.8°F

Annual Precip

43.7"

Annual Snowfall

10.7"

Extreme Heat Days

30

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.3"
2.1"
3.1"
4.4"
5.2"
4.5"
4.7"
4.1"
4.1"
3.3"
3.4"
2.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6b

Minimum winter temperature range for plant survival

Growing Degree Days

3,913

Supports most vegetables & fruits

Last spring frost (32°F): 04/11
First fall frost (32°F): 10/21

Seasonal Overview

Comfort ZoneSpring44°64°12.6"Summer73°77°13.2"Fall45°68°10.8"Winter30°35°7.0"20°40°60°80°100°

National Comparison

Warmer than 50% of US counties
Wetter than 55% of US counties
More seasonal variation than 68% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Osage County

Climate Verdict

Osage County has a mild, with an average annual temperature of 54.8°F, moderately wet with 43.7 inches of annual precipitation, occasional hot days — 29.8 per year above 90°F, light snow averaging 10.7 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 30.3°F. summers are warm — July averages 76.9°F. The 47°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Osage County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Osage County closely matches the Missouri statewide average temperature of 54.9°F.

Climate Profile

About Osage County Weather

Typical Mid-American Weather Patterns

Osage County's annual average of 54.8°F aligns closely with the national median. It experiences a balanced mix of precipitation totaling 43.7 inches per year.

A Perfect Mirror of Missouri

Osage County's 54.8°F average is nearly identical to the state average of 54.9°F. It serves as a representative climate for the central Missouri region.

Snowier than Southern Neighbors

Osage County sees 10.7 inches of snow annually, more than double the amount found in southern counties like Oregon or Perry. It is cooler than the Bootheel but warmer than the northern plains.

Four Truly Distinct Seasons

The county experiences a 75.0°F summer average with 30 days of extreme heat. Winter brings a January average of 30.3°F and regular snowfall exceeding 10 inches.

Versatile Home Systems Needed

Homeowners need efficient systems for both heating and cooling to handle the 30-degree winter and 30 days of extreme summer heat. Keep snow tires or shovels ready for the 10.7 inches of annual snowfall.

Frequently Asked Questions

What is the average temperature in Osage County?
The average annual temperature in Osage County, MO is 54.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Osage County get?
Osage County receives an average of 43.7 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 Osage County?
Yes, Osage County receives an average of 10.7 inches of snowfall per year according to NOAA climate normals.
How hot does Osage County get in summer?
The average summer temperature (June-August) in Osage County is 75.0°F. The county experiences an average of 30 days per year above 90°F.
How cold are winters in Osage County?
The average winter temperature (December-February) in Osage County is 33.3°F. January, typically the coldest month, averages 30.3°F.

Track your own weather in Osage County

Ambient Weather personal weather stations give you hyperlocal climate data.

Shop Weather Stations →

Sponsored

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
← Back to Missouri