Average annual temperature is 15.1 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -7.9 °C
Number of sunny days: 177 days
Number of rainy days: 188 days
Look at detailed online map of Bethany Beach
* Weather data for Bethany Beach 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) | 18.6 | 21.5 | 22.1 | 27.2 | 25.0 | 27.5 | 34.6 | 33.8 | 33.3 | 27.1 | 23.6 | 18.6 |
| Average daytime temperature (°C) | 10.8 | 11.3 | 12.3 | 19.0 | 18.6 | 23.9 | 29.6 | 28.0 | 25.4 | 20.9 | 14.1 | 11.4 |
| Average temperature (°C) | 7.2 | 7.5 | 8.0 | 14.7 | 15.8 | 20.5 | 25.9 | 24.6 | 22.2 | 16.6 | 10.0 | 8.1 |
| Average night temperature (°C) | 4.0 | 4.0 | 4.3 | 11.2 | 13.2 | 17.3 | 22.7 | 21.6 | 19.3 | 13.1 | 6.8 | 5.0 |
| Absolute minimum temperature (°C) | -0.9 | -7.9 | -1.1 | 3.4 | 6.9 | 11.4 | 19.5 | 17.0 | 15.1 | 7.4 | -3.3 | -1.0 |
| 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) | 5.3 | 7.2 | 7.9 | 9.8 | 11.2 | 11.4 | 11.9 | 10.6 | 9.0 | 9.1 | 7.7 | 5.9 |
| Precipitation (mm) | 98 | 54 | 49 | 123 | 113 | 154 | 77 | 49 | 138 | 54 | 45 | 137 |
| Sunny days | 13 | 15 | 13 | 17 | 14 | 11 | 8 | 14 | 14 | 19 | 22 | 17 |
| Rainy days | 18 | 13 | 18 | 13 | 17 | 19 | 23 | 17 | 16 | 12 | 8 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Bethany Beach during the most sunny months:
The largest precipitation sum in Bethany Beach is at