Average annual temperature is 15.5 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -6.9 °C
Number of sunny days: 181 days
Number of rainy days: 182 days
Number of snow days: 2 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) | 21.6 | 25.2 | 25.8 | 28.7 | 29.2 | 33.3 | 36.0 | 36.9 | 33.1 | 29.9 | 27.3 | 19.2 |
| Average daytime temperature (°C) | 12.1 | 15.2 | 15.9 | 20.4 | 25.3 | 28.3 | 31.1 | 30.3 | 28.0 | 22.1 | 16.5 | 12.5 |
| Average temperature (°C) | 7.1 | 9.2 | 9.5 | 14.1 | 18.7 | 21.9 | 25.2 | 24.5 | 21.6 | 16.3 | 10.1 | 7.0 |
| Average night temperature (°C) | 3.5 | 4.8 | 4.7 | 8.8 | 13.2 | 16.5 | 20.5 | 19.9 | 16.5 | 11.7 | 5.6 | 3.0 |
| Absolute minimum temperature (°C) | -4.1 | -5.7 | -6.9 | 2.0 | 4.6 | 10.5 | 16.2 | 14.4 | 12.9 | 4.0 | -4.8 | -4.4 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 5.4 | 6.4 | 8.3 | 9.5 | 10.7 | 11.0 | 11.0 | 10.4 | 10.4 | 8.3 | 7.7 | 6.3 |
| Precipitation (mm) | 136 | 136 | 92 | 95 | 88 | 145 | 96 | 83 | 68 | 32 | 53 | 97 |
| Sunny days | 12 | 16 | 19 | 15 | 14 | 14 | 6 | 12 | 18 | 18 | 22 | 15 |
| Rainy days | 18 | 11 | 12 | 15 | 17 | 16 | 25 | 19 | 12 | 13 | 8 | 16 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Delta is at