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Oklahoma County Climate

Oklahoma County, Oklahoma

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec60.8°AVG °F

Avg Annual Temp

60.8°F

Annual Precip

35.1"

Annual Snowfall

4.6"

Extreme Heat Days

75

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.2"
1.3"
2.5"
3.4"
4.9"
4.7"
3.4"
3.4"
3.4"
3.4"
1.8"
1.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7b

Minimum winter temperature range for plant survival

Growing Degree Days

5,167

Excellent for heat-loving crops

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

Seasonal Overview

Comfort ZoneSpring52°69°10.7"Summer78°83°11.6"Fall50°73°8.6"Winter39°43°4.2"20°40°60°80°100°

National Comparison

Warmer than 74% of US counties
Wetter than 35% of US counties
More seasonal variation than 56% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Oklahoma County

Climate Verdict

Oklahoma County has a warm, averaging 60.8°F year-round, moderate rainfall of 35.1 inches per year, significant summer heat with 74.7 days annually above 90°F, light snow averaging 4.6 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 38.7°F. summers are hot, with July averaging 82.8°F. The 44°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

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

Climate Profile

About Oklahoma County Weather

A Sunny, Warm Metropolitan Climate

Oklahoma County averages 60.8°F annually, staying roughly 6 degrees warmer than the national median. The region is known for its high variability and clear, sunny skies through much of the year.

Typical State Temperatures with Less Rain

The county's 60.8°F average is slightly above the state's 60.4°F, but its 35.1 inches of rain is below the state average of 37.2. This makes the metro area slightly drier and dustier than the eastern half of the state.

Warmer and Drier than Okmulgee

Oklahoma County is noticeably drier than Okmulgee County, which receives over 12 inches more rain annually. However, it experiences 75 extreme heat days, surpassing Okmulgee’s 67 days.

Hottest July Peaks in the Region

July temperatures average 82.8°F, the highest in this county set, contributing to 75 days above 90°F. Winter is crisp but manageable, with 4.6 inches of snow and a January average of 38.7°F.

Prepare for Heatwaves and Water Conservation

With 75 days of extreme heat and lower-than-average rainfall, efficient irrigation and cooling are top priorities. Residents should ensure home insulation is optimized for the intense 82.8°F July peaks.

Frequently Asked Questions

What is the average temperature in Oklahoma County?
The average annual temperature in Oklahoma County, OK is 60.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Oklahoma County get?
Oklahoma County receives an average of 35.1 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 Oklahoma County?
Yes, Oklahoma County receives an average of 4.6 inches of snowfall per year according to NOAA climate normals.
How hot does Oklahoma County get in summer?
The average summer temperature (June-August) in Oklahoma County is 80.7°F. The county experiences an average of 75 days per year above 90°F.
How cold are winters in Oklahoma County?
The average winter temperature (December-February) in Oklahoma County is 40.6°F. January, typically the coldest month, averages 38.7°F.

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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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