Average annual temperature is 12.1 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 139 days
Number of rainy days: 216 days
Number of snow days: 10 days
Look at detailed online map of McMillan
* Weather data for McMillan 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) | 17.1 | 20.8 | 20.5 | 27.5 | 29.5 | 32.3 | 32.4 | 31.7 | 33.3 | 27.6 | 18.5 | 16.0 |
| Average daytime temperature (°C) | 7.6 | 10.8 | 10.3 | 18.1 | 21.8 | 25.4 | 28.4 | 27.0 | 24.4 | 18.1 | 11.1 | 8.6 |
| Average temperature (°C) | 3.2 | 4.2 | 4.5 | 11.5 | 15.2 | 19.3 | 22.7 | 21.4 | 18.7 | 13.2 | 5.8 | 4.6 |
| Average night temperature (°C) | 0.2 | -0.5 | 0.0 | 5.9 | 9.4 | 13.9 | 18.3 | 16.7 | 14.0 | 9.2 | 1.7 | 1.6 |
| Absolute minimum temperature (°C) | -6.7 | -12.1 | -8.7 | -2.7 | 1.6 | 8.4 | 14.4 | 11.6 | 8.5 | 1.0 | -7.6 | -5.3 |
| 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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.7 | 6.8 | 6.6 | 8.5 | 10.1 | 10.7 | 11.0 | 10.5 | 9.1 | 6.7 | 6.7 | 4.6 |
| Precipitation (mm) | 116 | 56 | 123 | 58 | 86 | 122 | 111 | 100 | 60 | 109 | 47 | 69 |
| Sunny days | 7 | 13 | 8 | 14 | 18 | 9 | 5 | 7 | 12 | 14 | 19 | 13 |
| Rainy days | 20 | 13 | 20 | 16 | 13 | 21 | 26 | 24 | 18 | 17 | 11 | 17 |
| Snow days | 4 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit McMillan during the most sunny months:
The largest precipitation sum in McMillan is at