Average annual temperature is 10.0 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: -23.5 °C
Number of sunny days: 218 days
Number of rainy days: 104 days
Number of snow days: 43 days
Look at detailed online map of Promontory (historical)
* Weather data for Promontory (historical) 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) | 5.1 | 6.6 | 12.0 | 27.1 | 27.9 | 29.0 | 38.7 | 35.5 | 29.4 | 21.6 | 15.6 | 8.6 |
| Average daytime temperature (°C) | -0.9 | 0.4 | 4.1 | 13.4 | 22.3 | 24.7 | 34.3 | 30.0 | 24.6 | 15.9 | 7.7 | 3.4 |
| Average temperature (°C) | -4.5 | -4.0 | -0.5 | 7.4 | 16.9 | 19.3 | 28.3 | 23.6 | 18.5 | 10.6 | 3.4 | -0.1 |
| Average night temperature (°C) | -8.1 | -8.3 | -4.3 | 2.4 | 11.1 | 13.3 | 20.9 | 17.2 | 12.2 | 5.9 | -0.3 | -3.0 |
| Absolute minimum temperature (°C) | -23.5 | -16.6 | -11.7 | -4.3 | 5.1 | 8.1 | 15.3 | 11.9 | 3.9 | -5.2 | -8.0 | -8.5 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.1 | 7.8 | 8.4 | 9.9 | 12.1 | 12.6 | 13.2 | 11.5 | 10.8 | 8.8 | 7.0 | 6.3 |
| Precipitation (mm) | 71 | 33 | 81 | 22 | 34 | 39 | 3 | 44 | 33 | 32 | 24 | 19 |
| Sunny days | 12 | 18 | 9 | 18 | 11 | 15 | 28 | 20 | 21 | 22 | 22 | 22 |
| Rainy days | 9 | 2 | 7 | 6 | 20 | 15 | 3 | 11 | 9 | 9 | 8 | 5 |
| Snow days | 10 | 8 | 15 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Promontory (historical) during the most sunny months:
The largest precipitation sum in Promontory (historical) is at