The highest day temperature in July 2026 was 95°F. The lowest night temperature was 69°F. The average values for day and night temperatures during July were 82.6°F и 75.3°F respectivly.

The average sea surface temperature in July 2026 for Bethany Beach was 76.7°F. The maximum and minimum values were 73.8°F and 79.2°F respectively.

You can expect various weather conditions during July. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in July for Bethany Beach is 1.7 in. It makes july the most rainy month of the year.

The average wind speed in July is 9.2 mph. It makes July the most windless month 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 July is 9.1 hours.