Average annual temperature is 18.3 °C
Absolute maximum temperature: 37 °C
Absolute minimum temperature: -3.2 °C
Number of sunny days: 192
Number of rainy days: 173
Number of snow days:
Average annual precipitation: 1294 mm
Look at detailed online map of Helena
* Weather data for Helena 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) | 21.8 | 24.2 | 25.6 | 27.6 | 30.8 | 36.7 | 35.4 | 37 | 32.5 | 31.2 | 26.3 | 20.4 |
Average daytime temperature (°C) | 13.8 | 15.9 | 17.9 | 22.1 | 27.7 | 31.7 | 32.5 | 32.8 | 29.5 | 24.3 | 17.3 | 14 |
Average temperature (°C) | 9.6 | 10.7 | 13 | 16.4 | 22.3 | 26.3 | 27.8 | 27.9 | 24.5 | 19.4 | 12.4 | 9.2 |
Average night temperature (°C) | 6.2 | 7 | 9.1 | 12.2 | 17.7 | 21.8 | 24.1 | 24 | 20.5 | 15.6 | 8.5 | 5.6 |
Absolute minimum temperature (°C) | -1.9 | -3.2 | -2.2 | 6.8 | 9.4 | 18.8 | 21.6 | 19.3 | 16.9 | 3 | 0.7 | 0.3 |
Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Daylight maximum duration (h) | 10.5 | 11.4 | 12.5 | 13.5 | 14.3 | 14.5 | 14.4 | 13.9 | 12.9 | 11.8 | 10.8 | 10 |
Daylight mean duration (h) | 10.1 | 11 | 12 | 13.1 | 14 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
Daylight minimum duration (h) | 9.9 | 10.5 | 11.4 | 12.6 | 13.6 | 14.3 | 13.9 | 12.9 | 11.9 | 10.8 | 10 | 9.8 |
Sunshine mean duration (h) | 6.7 | 6.8 | 7.7 | 8.5 | 11.2 | 12.3 | 11.4 | 10.7 | 10.8 | 8.3 | 7.6 | 7.2 |
Precipitation (mm) | 163 | 115 | 211 | 213 | 41 | 91 | 110 | 115 | 29 | 64 | 90 | 52 |
Sunny days | 14 | 15 | 13 | 12 | 14 | 11 | 12 | 16 | 19 | 23 | 21 | 22 |
Rainy days | 17 | 13 | 18 | 18 | 17 | 19 | 19 | 15 | 11 | 8 | 9 | 9 |
The best time to visit Helena during the most sunny months:
The largest precipitation sum in Helena is at