Average annual temperature is 17.5 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: -7.4 °C
Number of sunny days: 226 days
Number of rainy days: 139 days
Look at detailed online map of Okmulgee County
* Weather data for Okmulgee County United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 20.8 | 23.5 | 26.6 | 29.5 | 32.3 | 39.4 | 40.6 | 41.0 | 37.0 | 31.4 | 28.5 | 21.9 |
| Average daytime temperature (°C) | 12.5 | 14.2 | 17.2 | 21.9 | 27.1 | 32.3 | 34.8 | 35.5 | 31.2 | 23.1 | 17.7 | 13.3 |
| Average temperature (°C) | 6.9 | 7.7 | 11.1 | 15.7 | 21.2 | 26.1 | 28.6 | 29.3 | 25.2 | 17.9 | 11.6 | 8.1 |
| Average night temperature (°C) | 2.7 | 3.3 | 6.7 | 10.4 | 16.3 | 20.8 | 23.7 | 24.2 | 20.3 | 13.8 | 7.2 | 4.4 |
| Absolute minimum temperature (°C) | -7.4 | -6.2 | -4.5 | 4.4 | 6.9 | 16.1 | 19.2 | 18.3 | 16.7 | -0.2 | -1.9 | -2.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.6 | 6.6 | 7.1 | 9.3 | 10.2 | 11.8 | 11.7 | 11.9 | 10.5 | 8.2 | 8.0 | 6.6 |
| Precipitation (mm) | 58 | 133 | 159 | 79 | 85 | 102 | 77 | 54 | 190 | 147 | 47 | 79 |
| Sunny days | 18 | 16 | 18 | 17 | 16 | 18 | 17 | 23 | 19 | 19 | 24 | 21 |
| Rainy days | 13 | 12 | 13 | 13 | 15 | 12 | 14 | 8 | 11 | 12 | 6 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Okmulgee County during the most sunny months:
The largest precipitation sum in Okmulgee County is at