Average annual temperature is 15.3 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -8.5 °C
Number of sunny days: 206 days
Number of rainy days: 158 days
Number of snow days: 1 day
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) | 19.6 | 23.5 | 23.8 | 28.6 | 31.8 | 35.9 | 36.1 | 36.7 | 32.3 | 30.9 | 24.4 | 18.2 |
| Average daytime temperature (°C) | 10.2 | 13.1 | 14.7 | 21.0 | 25.6 | 30.2 | 31.7 | 30.2 | 27.8 | 21.6 | 14.9 | 11.2 |
| Average temperature (°C) | 5.5 | 7.0 | 8.5 | 14.2 | 19.6 | 23.8 | 26.1 | 25.0 | 22.0 | 16.2 | 9.2 | 6.4 |
| Average night temperature (°C) | 2.0 | 2.7 | 3.9 | 8.9 | 14.4 | 18.1 | 21.5 | 20.8 | 17.1 | 11.8 | 4.9 | 2.8 |
| Absolute minimum temperature (°C) | -7.5 | -8.5 | -5.9 | 2.1 | 6.7 | 13.0 | 17.3 | 15.1 | 13.3 | -1.5 | -4.0 | -5.5 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 5.2 | 7.4 | 7.8 | 10.3 | 11.2 | 12.7 | 11.6 | 10.6 | 10.8 | 8.1 | 7.9 | 6.4 |
| Precipitation (mm) | 160 | 105 | 200 | 102 | 72 | 34 | 106 | 128 | 15 | 64 | 18 | 60 |
| Sunny days | 16 | 16 | 17 | 20 | 17 | 18 | 9 | 15 | 15 | 18 | 25 | 20 |
| Rainy days | 15 | 11 | 14 | 10 | 14 | 12 | 22 | 16 | 15 | 13 | 5 | 11 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Delta during the most sunny months:
The largest precipitation sum in Delta is at