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Okmulgee County Climate

Okmulgee County, Oklahoma

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec60.0°AVG °F

Avg Annual Temp

60.0°F

Annual Precip

47.3"

Annual Snowfall

0.9"

Extreme Heat Days

67

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.2"
1.9"
3.5"
4.3"
6.8"
5.0"
3.9"
4.3"
4.9"
4.3"
3.3"
2.8"
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

4,917

Excellent for heat-loving crops

Last spring frost (32°F): 04/08
First fall frost (32°F): 10/28

Seasonal Overview

Comfort ZoneSpring51°68°14.7"Summer77°82°13.2"Fall50°72°12.5"Winter38°42°6.9"20°40°60°80°100°

National Comparison

Warmer than 71% of US counties
Wetter than 66% of US counties
More seasonal variation than 53% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Okmulgee County

Climate Verdict

Okmulgee County has a warm, averaging 60.0°F year-round, moderately wet with 47.3 inches of annual precipitation, significant summer heat with 67 days annually above 90°F, light snow averaging 0.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 37.9°F. summers are hot, with July averaging 81.6°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

Okmulgee County closely matches the Oklahoma statewide average temperature of 60.4°F, it is also noticeably wetter, receiving 10.1 inches more precipitation than the state average.

Climate Profile

About Okmulgee County Weather

A High-Precipitation Humid Subtropical Zone

Okmulgee County averages 60.0°F annually, placing it well above the national median temperature. It is characterized by its high annual rainfall of 47.3 inches, which is among the highest in the state.

Matching State Temps with Record Rain

While the 60.0°F temperature closely tracks the state average of 60.4°F, the precipitation tells a different story. The county receives 10 inches more rain annually than the typical Oklahoma county.

Significantly Wetter than Western Neighbors

Okmulgee is the rainiest in this group at 47.3 inches, dwarfing Oklahoma County’s 35.1 inches. It also experiences much less snow than Noble or Nowata, averaging less than an inch annually.

Steamier Summers and Snow-Free Winters

The county faces 67 extreme heat days, with high humidity making the 81.6°F July average feel even hotter. Snow is nearly non-existent at 0.9 inches, making winter mostly a season of cold rain.

Prioritize Flood Prep and Mold Control

The 47.3 inches of annual rain require excellent home drainage and dehumidifiers to prevent mold. Since snow is rare, residents can skip the heavy winter gear but should invest in high-quality rain equipment.

Frequently Asked Questions

What is the average temperature in Okmulgee County?
The average annual temperature in Okmulgee County, OK is 60.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Okmulgee County get?
Okmulgee County receives an average of 47.3 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 Okmulgee County?
Yes, Okmulgee County receives an average of 0.9 inches of snowfall per year according to NOAA climate normals.
How hot does Okmulgee County get in summer?
The average summer temperature (June-August) in Okmulgee County is 79.4°F. The county experiences an average of 67 days per year above 90°F.
How cold are winters in Okmulgee County?
The average winter temperature (December-February) in Okmulgee County is 40.1°F. January, typically the coldest month, averages 37.9°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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