Average annual temperature is 7.8 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: -26.4 °C
Number of sunny days: 171 days
Number of rainy days: 141 days
Number of snow days: 53 days
Look at detailed online map of Boulder City (historical)
* Weather data for Boulder City (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) | 8.8 | 6.8 | 11.3 | 26.7 | 29.3 | 29.9 | 33.6 | 36.0 | 27.1 | 23.8 | 9.1 | 7.2 |
| Average daytime temperature (°C) | 1.1 | 1.2 | 5.2 | 11.3 | 22.6 | 23.9 | 29.2 | 28.8 | 21.1 | 14.1 | 5.2 | 3.9 |
| Average temperature (°C) | -3.2 | -3.8 | -1.5 | 5.0 | 15.2 | 17.1 | 21.3 | 20.6 | 14.0 | 7.3 | 0.8 | -0.2 |
| Average night temperature (°C) | -6.5 | -8.0 | -7.5 | -0.8 | 8.2 | 10.1 | 12.4 | 12.6 | 8.1 | 2.2 | -2.2 | -2.8 |
| Absolute minimum temperature (°C) | -23.2 | -26.4 | -14.6 | -11.7 | 2.2 | 3.4 | 7.2 | 7.7 | 3.3 | -7.4 | -8.1 | -8.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.8 | 10.2 | 11.9 | 13.7 | 15.3 | 16.1 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.8 | 5.0 | 8.5 | 9.2 | 11.9 | 12.8 | 14.3 | 11.6 | 9.1 | 8.0 | 4.8 | 3.1 |
| Precipitation (mm) | 47 | 43 | 37 | 77 | 81 | 56 | 4 | 58 | 54 | 56 | 95 | 101 |
| Sunny days | 12 | 13 | 11 | 10 | 9 | 11 | 26 | 19 | 16 | 19 | 12 | 13 |
| Rainy days | 10 | 5 | 4 | 12 | 22 | 19 | 5 | 12 | 14 | 10 | 16 | 12 |
| Snow days | 9 | 10 | 16 | 8 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 6 |
The best time to visit Boulder City (historical) during the most sunny months:
Months with the longest average daylight duration in Boulder City (historical):
The largest precipitation sum in Boulder City (historical) is at