Average annual temperature is 14.8 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: -7.1 °C
Number of sunny days: 273 days
Number of rainy days: 83 days
Number of snow days: 9 days
Look at detailed online map of Mountain Pass
* Weather data for Mountain Pass 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) | 12.2 | 14.9 | 14.8 | 29.5 | 29.0 | 32.5 | 39.5 | 35.3 | 33.0 | 28.5 | 23.2 | 18.0 |
| Average daytime temperature (°C) | 6.7 | 9.5 | 10.0 | 20.4 | 24.2 | 26.8 | 35.2 | 30.8 | 27.4 | 22.1 | 14.4 | 12.2 |
| Average temperature (°C) | 2.8 | 3.9 | 4.8 | 14.2 | 17.9 | 20.7 | 29.8 | 25.9 | 21.9 | 17.2 | 10.3 | 7.8 |
| Average night temperature (°C) | -0.2 | -0.2 | 0.8 | 8.4 | 11.2 | 13.9 | 23.2 | 21.0 | 17.1 | 12.9 | 6.5 | 4.2 |
| Absolute minimum temperature (°C) | -5.9 | -6.3 | -7.1 | -3.3 | 3.4 | 9.4 | 16.2 | 15.9 | 9.4 | 2.2 | -1.4 | -1.0 |
| 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 | 14.3 | 13.5 | 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) | 7.2 | 9.1 | 8.9 | 12.0 | 12.8 | 13.1 | 13.1 | 11.5 | 10.8 | 10.4 | 9.1 | 8.2 |
| Precipitation (mm) | 53 | 23 | 48 | 0 | 16 | 21 | 0 | 61 | 20 | 5 | 7 | 7 |
| Sunny days | 14 | 19 | 16 | 29 | 22 | 22 | 29 | 18 | 20 | 29 | 28 | 27 |
| Rainy days | 15 | 6 | 11 | 1 | 9 | 8 | 2 | 13 | 10 | 2 | 2 | 4 |
| Snow days | 2 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mountain Pass is at