Osage County Climate
Osage County, Oklahoma
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
59.0°F
Annual Precip
41.3"
Annual Snowfall
6.9"
Extreme Heat Days
66
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
4,782
Excellent for heat-loving crops
Seasonal Overview
National Comparison
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
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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.