Average annual temperature is 17.1 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -8.4 °C
Number of sunny days: 276 days
Number of rainy days: 86 days
Number of snow days: 3 days
Look at detailed online map of Galena
* Weather data for Galena 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) | 18.2 | 20.8 | 22.2 | 29.9 | 29.4 | 37.4 | 38.0 | 37.7 | 35.2 | 30.0 | 26.1 | 20.5 |
| Average daytime temperature (°C) | 11.8 | 13.3 | 17.2 | 24.1 | 26.6 | 31.3 | 35.2 | 32.3 | 31.2 | 25.5 | 18.5 | 14.5 |
| Average temperature (°C) | 5.8 | 6.4 | 9.9 | 16.7 | 19.9 | 24.5 | 28.5 | 26.0 | 24.8 | 19.5 | 13.0 | 9.0 |
| Average night temperature (°C) | 1.6 | 1.9 | 4.3 | 10.0 | 13.4 | 17.7 | 21.9 | 20.6 | 19.3 | 14.4 | 8.7 | 4.5 |
| Absolute minimum temperature (°C) | -6.5 | -6.5 | -8.4 | -0.7 | 9.0 | 10.7 | 18.8 | 17.3 | 16.2 | 3.2 | 2.3 | 0.1 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.3 | 9.1 | 10.2 | 12.1 | 12.5 | 12.7 | 12.7 | 11.6 | 11.2 | 10.3 | 9.5 | 8.4 |
| Precipitation (mm) | 38 | 33 | 30 | 0 | 14 | 0 | 21 | 37 | 20 | 5 | 1 | 25 |
| Sunny days | 24 | 16 | 24 | 29 | 23 | 29 | 19 | 11 | 24 | 24 | 28 | 25 |
| Rainy days | 5 | 11 | 7 | 1 | 8 | 1 | 12 | 20 | 6 | 7 | 2 | 6 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Galena is at