Average annual temperature is 17.5 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: -8.2 °C
Number of sunny days: 219 days
Number of rainy days: 146 days
Look at detailed online map of McClain County
* Weather data for McClain 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) | 21.4 | 24.1 | 27.0 | 30.2 | 33.0 | 39.6 | 39.4 | 41.0 | 38.5 | 31.4 | 27.8 | 20.2 |
| Average daytime temperature (°C) | 13.3 | 14.4 | 17.2 | 21.8 | 26.7 | 32.2 | 35.0 | 36.3 | 31.9 | 23.5 | 17.3 | 13.3 |
| Average temperature (°C) | 7.0 | 7.2 | 10.9 | 15.4 | 20.9 | 25.9 | 28.7 | 29.9 | 25.7 | 18.0 | 11.4 | 8.0 |
| Average night temperature (°C) | 2.5 | 2.6 | 6.3 | 10.3 | 16.2 | 20.6 | 23.8 | 24.3 | 20.7 | 13.4 | 7.0 | 4.3 |
| Absolute minimum temperature (°C) | -8.2 | -6.1 | -4.2 | 4.9 | 7.1 | 16.4 | 19.5 | 18.3 | 15.2 | -1.0 | -2.6 | -1.7 |
| 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 | 14.2 | 13.4 | 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) | 7.4 | 7.2 | 7.9 | 9.8 | 10.2 | 11.8 | 11.5 | 12.0 | 10.5 | 8.4 | 7.8 | 7.1 |
| Precipitation (mm) | 37 | 59 | 106 | 132 | 88 | 86 | 126 | 11 | 29 | 90 | 31 | 39 |
| Sunny days | 25 | 15 | 19 | 15 | 11 | 9 | 19 | 22 | 17 | 19 | 24 | 24 |
| Rainy days | 6 | 13 | 12 | 15 | 20 | 21 | 12 | 9 | 13 | 12 | 6 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit McClain County during the most sunny months:
The largest precipitation sum in McClain County is at