Average annual temperature is 8.9 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -27.1 °C
Number of sunny days: 206
Number of rainy days: 122
Number of snow days: 37
Average annual precipitation: 602 mm
Look at detailed online map of Boulder
* Weather data for Boulder United States is based on climate observations for 2023 year
Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Absolute maximum temperature (°C) | 14.9 | 13 | 17.7 | 26.6 | 25.5 | 32.8 | 35.3 | 35 | 34.5 | 28.9 | 22 | 14.3 |
Average daytime temperature (°C) | 0.8 | 5.7 | 7.6 | 15.4 | 20.6 | 23 | 29.9 | 28.6 | 25.9 | 18.3 | 11.5 | 6.9 |
Average temperature (°C) | -3.8 | -2.7 | 0 | 6.7 | 13.5 | 16.4 | 22 | 21 | 17.3 | 10.2 | 3.4 | 0.6 |
Average night temperature (°C) | -8.2 | -9.3 | -5.9 | -0.6 | 7.2 | 10.6 | 14.6 | 14.4 | 10.3 | 3.8 | -2.3 | -3.7 |
Absolute minimum temperature (°C) | -25.6 | -27.1 | -17.9 | -12.6 | 2 | 7.1 | 10.1 | 9.6 | 5.2 | -15.2 | -12 | -10.4 |
Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Daylight maximum duration (h) | 10.1 | 11.3 | 12.6 | 13.9 | 14.8 | 15 | 15 | 14.3 | 13.1 | 11.8 | 10.5 | 9.6 |
Daylight mean duration (h) | 9.7 | 10.7 | 12 | 13.3 | 14.4 | 15 | 14.7 | 13.7 | 12.5 | 11.2 | 10 | 9.4 |
Daylight minimum duration (h) | 9.4 | 10.2 | 11.3 | 12.7 | 13.9 | 14.8 | 14.3 | 13.1 | 11.8 | 10.5 | 9.6 | 9.3 |
Sunshine mean duration (h) | 6.7 | 8.5 | 9.7 | 10.5 | 10.5 | 11.1 | 13.1 | 11.5 | 10.9 | 9.2 | 8.2 | 6.9 |
Precipitation (mm) | 31 | 25 | 37 | 52 | 144 | 126 | 36 | 54 | 32 | 24 | 23 | 21 |
Sunny days | 17 | 21 | 15 | 16 | 5 | 9 | 17 | 17 | 21 | 23 | 23 | 22 |
Rainy days | 1 | 2 | 11 | 10 | 26 | 21 | 14 | 14 | 9 | 6 | 5 | 3 |
Snow days | 13 | 5 | 5 | 4 | 2 | 2 | 6 |
The best time to visit Boulder during the most sunny months:
The largest precipitation sum in Boulder is at