Bethany Beach Sea Water Temperature
A temperate beach on the Coastal Waters, warmest around August at about 23.7°C. Today's reading, 7-day forecast, and monthly averages below.
Bethany Beach water temperature
Pleasant and revitalizing. Great for most beachgoers and active recreational swimming.
7-Day Water Temperature Forecast
Bethany Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Bethany Beach occurs inJuly, August, September — peaking at23.7°C (74.7°F) in August.
Year-Round Water Temperature Curve (°C / °F)
Hover a bar for detailsFull 12-month data table — min / avg / max & swimming comfort
| Month | Min Water Temp | Average Water Temp | Max Water Temp | Swimming Comfort |
|---|---|---|---|---|
| January | 2.5°C | 6.2°C | 9.2°C | Very Cold (< 16°C) |
| February | 2.2°C | 4.6°C | 7.2°C | Very Cold (< 16°C) |
| March | 1.7°C | 5.9°C | 10.1°C | Very Cold (< 16°C) |
| April | 5.7°C | 9.3°C | 13.9°C | Very Cold (< 16°C) |
| May | 10.8°C | 14.4°C | 19.9°C | Very Cold (< 16°C) |
| June | 14.3°C | 19.7°C | 23.2°C | Cool / Refreshing (16°C – 20°C) |
| July | 21°C | 23.1°C | 25.2°C | Comfortable (20°C – 24°C) |
| August | 20.7°C | 23.7°C | 26°C | Comfortable (20°C – 24°C) |
| SeptemberCurrent | 19.8°C | 22.9°C | 25.7°C | Comfortable (20°C – 24°C) |
| October | 14.9°C | 19°C | 21.4°C | Cool / Refreshing (16°C – 20°C) |
| November | 10.8°C | 14°C | 16.8°C | Very Cold (< 16°C) |
| December | 7°C | 9.7°C | 12.8°C | Very Cold (< 16°C) |
Swimming FAQs for Bethany Beach
Is the sea warm enough to swim in Bethany Beach today?
Typical sea surface temperature in Bethany Beach this time of year is 22.9°C (73.2°F) — classified as Comfortable (20°C – 24°C). Pleasant and revitalizing. Great for most beachgoers and active recreational swimming. Live readings load automatically.
What are the warmest months for swimming in Bethany Beach?
The highest water temperatures in Bethany Beach typically occur duringJuly, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Bethany Beach in September?
Historically in September, water temperatures in Bethany Beach average around22.9°C (73.2°F), fluctuating between a recorded minimum of 19.8°C and a maximum of 25.7°C.