Average annual temperature is 15.2 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -8.6 °C
Number of sunny days: 177 days
Number of rainy days: 187 days
Number of snow days: 1 day
Look at detailed online map of City of Seaford
* Weather data for City of Seaford 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) | 18.9 | 22.0 | 22.8 | 29.7 | 28.3 | 31.1 | 35.0 | 34.1 | 34.7 | 28.4 | 24.3 | 18.0 |
| Average daytime temperature (°C) | 11.3 | 12.3 | 13.7 | 21.8 | 21.8 | 26.8 | 31.1 | 29.8 | 26.6 | 21.9 | 14.3 | 11.8 |
| Average temperature (°C) | 7.1 | 7.4 | 8.1 | 15.5 | 16.7 | 21.3 | 26.1 | 25.0 | 21.9 | 16.6 | 9.1 | 7.5 |
| Average night temperature (°C) | 3.6 | 2.9 | 3.3 | 10.8 | 12.3 | 16.7 | 22.1 | 21.1 | 18.2 | 12.4 | 5.2 | 3.9 |
| Absolute minimum temperature (°C) | -3.5 | -8.6 | -3.0 | 2.0 | 6.1 | 11.8 | 19.3 | 16.3 | 14.0 | 7.4 | -4.1 | -2.1 |
| 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 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 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 | 7.3 | 7.7 | 9.6 | 11.1 | 11.2 | 11.8 | 10.5 | 8.5 | 8.9 | 7.7 | 5.6 |
| Precipitation (mm) | 64 | 49 | 51 | 122 | 81 | 136 | 120 | 57 | 141 | 39 | 50 | 147 |
| Sunny days | 14 | 15 | 15 | 16 | 15 | 11 | 7 | 10 | 14 | 20 | 22 | 18 |
| Rainy days | 17 | 13 | 15 | 14 | 16 | 19 | 24 | 21 | 16 | 11 | 8 | 13 |
| Snow days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of Seaford during the most sunny months:
The largest precipitation sum in City of Seaford is at