Average annual temperature is 8.5 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -30.6 °C
Number of sunny days: 115 days
Number of rainy days: 200 days
Number of snow days: 50 days
Look at detailed online map of Town of Altona
* Weather data for Town of Altona 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) | 8.0 | 12.8 | 8.9 | 26.6 | 30.4 | 33.3 | 31.6 | 26.1 | 30.9 | 28.2 | 16.3 | 9.8 |
| Average daytime temperature (°C) | 0.4 | 0.8 | 3.2 | 14.0 | 18.6 | 22.5 | 26.0 | 22.7 | 22.0 | 15.9 | 5.9 | 3.5 |
| Average temperature (°C) | -3.1 | -4.8 | -0.7 | 8.0 | 13.1 | 17.7 | 21.5 | 18.7 | 17.4 | 12.1 | 1.6 | 0.1 |
| Average night temperature (°C) | -6.3 | -9.8 | -4.3 | 3.2 | 7.7 | 13.7 | 17.6 | 15.2 | 13.7 | 8.7 | -1.8 | -3.1 |
| Absolute minimum temperature (°C) | -14.2 | -30.6 | -10.2 | -7.7 | 1.1 | 6.7 | 11.8 | 9.8 | 7.3 | -2.1 | -7.8 | -15.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.8 | 15.5 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 2.5 | 5.7 | 5.6 | 7.5 | 11.0 | 9.0 | 10.2 | 9.8 | 9.1 | 5.5 | 5.4 | 2.9 |
| Precipitation (mm) | 117 | 82 | 85 | 123 | 79 | 142 | 185 | 175 | 52 | 125 | 68 | 139 |
| Sunny days | 7 | 6 | 8 | 12 | 18 | 9 | 2 | 6 | 17 | 11 | 10 | 9 |
| Rainy days | 11 | 10 | 13 | 18 | 13 | 21 | 29 | 25 | 13 | 20 | 12 | 15 |
| Snow days | 13 | 12 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 7 |
The best time to visit Town of Altona during the most sunny months:
Months with the longest average daylight duration in Town of Altona:
The largest precipitation sum in Town of Altona is at