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Osage County Climate

JanFebMarAprMayJunJulAugSepOctNovDec59.0°AVG °F

Avg Annual Temp

59.0°F

Annual Precip

41.3"

Annual Snowfall

6.9"

Extreme Heat Days

66

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.6"
1.8"
3.1"
4.6"
5.4"
5.5"
4.1"
3.7"
3.6"
3.5"
2.4"
2.0"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7a

Minimum winter temperature range for plant survival

Growing Degree Days

4,782

Excellent for heat-loving crops

Last spring frost (32°F): 04/11
First fall frost (32°F): 10/29

Seasonal Overview

Comfort ZoneSpring50°68°13.2"Summer76°81°13.2"Fall48°72°9.5"Winter36°40°5.5"20°40°60°80°100°

National Comparison

Warmer than 68% of US counties
Wetter than 49% of US counties
More seasonal variation than 63% 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 59.0°F, moderately wet with 41.3 inches of annual precipitation, significant summer heat with 66.325 days annually above 90°F, light snow averaging 6.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 35.8°F. summers are hot, with July averaging 81.2°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

Osage County closely matches the Oklahoma statewide average temperature of 60.4°F, it is somewhat wetter than average for Oklahoma.

Climate Profile

About Osage County Weather

A Cooler Pocket in the Sooner State

Osage County’s annual average of 59.0°F is the lowest in this group, though it remains above the national median. Its northern location provides a slight reprieve from the more intense southern Oklahoma heat.

Below the Oklahoma Average

At 59.0°F, Osage is nearly 1.5 degrees cooler than the state average of 60.4°F. This is largely due to colder winters, where January temperatures average just 35.8°F.

Coolest in the Local Region

Osage is cooler than all its immediate neighbors, including Noble (59.5°F) and Nowata (60.1°F). It maintains a moderate rainfall profile of 41.3 inches, keeping the tallgrass prairies hydrated.

Brisk Winters and Balanced Summers

The county sees 6.9 inches of snow and 66 extreme heat days, offering a more balanced seasonal profile than southern Oklahoma. Summer averages 79.1°F, which is the mildest in this eight-county set.

Prepare for Winter Frost and Summer Sun

With a January average of 35.8°F, residents need to winterize pipes and keep snow shovels ready. The 66 days of heat still require reliable cooling, but the load is lighter than in Oklahoma City.

Frequently Asked Questions

What is the average temperature in Osage County?
The average annual temperature in Osage County, OK is 59.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Osage County get?
Osage County receives an average of 41.3 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 6.9 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 79.1°F. The county experiences an average of 66 days per year above 90°F.
How cold are winters in Osage County?
The average winter temperature (December-February) in Osage County is 38.1°F. January, typically the coldest month, averages 35.8°F.

Track your own weather in Osage 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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