Average annual temperature is 25.0 °C
Absolute maximum temperature: 46.2 °C
Absolute minimum temperature: 2.0 °C
Number of sunny days: 318 days
Number of rainy days: 47 days
Look at detailed online map of Montana
* Weather data for Montana Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 27.1 | 29.4 | 33.2 | 37.7 | 37.4 | 46.2 | 43.3 | 45.1 | 43.6 | 42.1 | 36.6 | 29.6 |
| Average daytime temperature (°C) | 22.7 | 23.1 | 27.7 | 32.5 | 33.9 | 38.8 | 41.4 | 41.2 | 40.0 | 35.6 | 29.9 | 26.1 |
| Average temperature (°C) | 14.8 | 15.4 | 19.6 | 23.3 | 25.8 | 30.7 | 34.7 | 34.4 | 32.3 | 28.1 | 22.6 | 17.5 |
| Average night temperature (°C) | 8.1 | 9.4 | 12.3 | 14.0 | 17.5 | 22.6 | 28.7 | 28.4 | 25.2 | 21.6 | 16.0 | 9.9 |
| Absolute minimum temperature (°C) | 2.0 | 6.0 | 7.0 | 9.4 | 12.3 | 17.0 | 25.6 | 25.2 | 21.8 | 16.8 | 9.5 | 6.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.1 | 9.0 | 10.5 | 12.0 | 12.3 | 12.3 | 12.4 | 11.4 | 11.4 | 10.5 | 9.3 | 9.1 |
| Precipitation (mm) | 3 | 33 | 2 | 0 | 0 | 0 | 4 | 12 | 2 | 0 | 1 | 2 |
| Sunny days | 27 | 16 | 29 | 30 | 31 | 30 | 22 | 21 | 27 | 28 | 28 | 29 |
| Rainy days | 4 | 12 | 2 | 0 | 0 | 0 | 9 | 10 | 3 | 3 | 2 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Montana is at