Average annual temperature is 12.0 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: -14.5 °C
Number of sunny days: 245 days
Number of rainy days: 89 days
Number of snow days: 31 days
Look at detailed online map of Delta
* Weather data for Delta 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) | 11.6 | 10.9 | 14.6 | 30.3 | 30.0 | 31.7 | 41.8 | 37.9 | 34.0 | 26.1 | 22.0 | 11.4 |
| Average daytime temperature (°C) | 3.9 | 5.4 | 8.6 | 18.2 | 25.6 | 28.2 | 37.2 | 33.1 | 28.5 | 19.5 | 11.0 | 6.3 |
| Average temperature (°C) | -0.6 | -1.5 | 2.3 | 9.7 | 18.4 | 21.2 | 29.7 | 26.0 | 20.8 | 11.7 | 4.8 | 0.4 |
| Average night temperature (°C) | -3.9 | -6.2 | -2.4 | 2.7 | 11.3 | 14.2 | 21.6 | 19.1 | 13.9 | 4.9 | -0.2 | -3.8 |
| Absolute minimum temperature (°C) | -13.1 | -14.5 | -7.6 | -6.2 | 4.6 | 10.2 | 17.0 | 14.8 | 7.0 | -6.2 | -7.8 | -9.1 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.5 | 8.3 | 8.3 | 11.0 | 12.3 | 12.7 | 13.2 | 11.8 | 10.9 | 9.8 | 7.9 | 7.6 |
| Precipitation (mm) | 75 | 25 | 72 | 11 | 23 | 25 | 0 | 7 | 9 | 25 | 15 | 9 |
| Sunny days | 9 | 18 | 8 | 26 | 16 | 21 | 30 | 22 | 22 | 25 | 24 | 24 |
| Rainy days | 10 | 3 | 16 | 2 | 15 | 9 | 1 | 9 | 8 | 6 | 5 | 5 |
| Snow days | 12 | 7 | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Delta during the most sunny months:
The largest precipitation sum in Delta is at