Average annual temperature is 5.5 °C
Absolute maximum temperature: 28.4 °C
Absolute minimum temperature: -28.7 °C
Number of sunny days: 170 days
Number of rainy days: 139 days
Number of snow days: 56 days
Look at detailed online map of Yellowstone
* Weather data for Yellowstone Canada is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 6.8 | 5.5 | 9.7 | 19.5 | 27.8 | 28.4 | 27.8 | 27.3 | 23.4 | 20.7 | 9.7 | 7.1 |
| Average daytime temperature (°C) | -3.3 | -3.4 | -1.0 | 10.3 | 21.7 | 22.4 | 22.7 | 22.6 | 18.5 | 10.4 | 3.8 | 2.1 |
| Average temperature (°C) | -6.5 | -8.1 | -7.1 | 4.1 | 14.9 | 16.8 | 17.4 | 17.0 | 13.1 | 5.4 | -0.2 | -2.2 |
| Average night temperature (°C) | -9.1 | -11.2 | -10.9 | -0.7 | 9.3 | 12.2 | 13.5 | 12.6 | 8.7 | 1.8 | -2.8 | -5.3 |
| Absolute minimum temperature (°C) | -21.0 | -28.7 | -19.6 | -4.9 | 4.9 | 6.1 | 8.9 | 7.6 | 2.8 | -9.5 | -9.6 | -10.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 15.0 | 16.0 | 17.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.1 | 9.8 | 11.9 | 14.0 | 15.9 | 17.0 | 16.5 | 14.8 | 12.7 | 10.6 | 8.6 | 7.5 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 4.5 | 4.9 | 8.3 | 10.5 | 12.7 | 11.6 | 12.0 | 10.8 | 9.5 | 6.5 | 5.5 | 4.1 |
| Precipitation (mm) | 12 | 20 | 8 | 33 | 54 | 184 | 203 | 96 | 33 | 21 | 5 | 6 |
| Sunny days | 17 | 8 | 20 | 13 | 14 | 10 | 4 | 11 | 14 | 19 | 20 | 20 |
| Rainy days | 5 | 4 | 1 | 12 | 17 | 20 | 27 | 20 | 16 | 7 | 4 | 6 |
| Snow days | 9 | 16 | 10 | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 6 | 5 |
The best time to visit Yellowstone during the most sunny months:
Months with the longest average daylight duration in Yellowstone:
The largest precipitation sum in Yellowstone is at