Bethany Beach Weather: August
 |
Average Day Temperature: | 81.1°F |
|
Average Night Temperature: | 74.8°F |
|
Sea Water Temperature: | 77.2°F |
|
Number of Sunny Days: | 11 days |
| Sunshine Hours: | 13.0 - 14.1 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.3 in | |
| detailed information | ||
forecast
| Bethany Beach |
Temperature
| Bethany Beach |
Air Temperature in August, °F
The highest day temperature in August 2025 was 88°F. The lowest night temperature was 64°F. The average values for day and night temperatures during August were 78.7°F и 73.1°F respectivly.
Bethany Beach Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Bethany Beach was 78.1°F. The maximum and minimum values were 75.4°F and 81.6°F respectively.
You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Bethany Beach is 1.3 in. It makes august one of the most rainy months of the year.
The average wind speed in August is 9.3 mph. It makes August one of the most windless months of the year for Bethany Beach.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Bethany Beach in August is 7.7 hours.
Bethany Beach on the Weather Map
| Chicago |  |
-2 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+44 |
| Las Vegas |  |
+38 |
| Los Angeles | |
+50 |
| Maui | |
+70 |
| Miami | |
+68 |
| Miami Beach |  |
+80 |
| New York | |
+16 |
| San Diego | |
+52 |
| San Francisco | |
+46 |
| Sarasota | |
+64 |
| Tampa | |
+62 |
| Washington |  |
+26 |
| 0600 |  |
34°F | SW 9 mph |
| 0900 | |
34°F | SW 6 mph |
| 1200 | |
36°F | SW 6 mph |
| 1500 | |
38°F | S 9 mph |
| 1800 | |
42°F | S 7 mph |
| 2100 |  |
40°F | SW 6 mph |
| 0000 | |
40°F | S 9 mph |
| 0300 | |
40°F | S 12 mph |