Dewey Beach Weather: June
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Average Day Temperature: | 77.6°F |
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Average Night Temperature: | 69.5°F |
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Sea Water Temperature: | 70.3°F |
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Number of Sunny Days: | 15 days |
| Sunshine Hours: | 14.7 - 14.9 hours | |
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Number of Rainy Days: | 2 days |
| Precipitation Totals: | 0.9 in | |
| detailed information | ||
forecast
| Dewey Beach |
Temperature
| Dewey Beach |
Air Temperature in June, °F
The highest day temperature in June 2026 was 91°F. The lowest night temperature was 58°F. The average values for day and night temperatures during June were 77.2°F и 69.2°F respectivly.
Dewey Beach Water Sea Temperature in June, °F
The average sea surface temperature in June 2026 for Dewey Beach was 71.8°F. The maximum and minimum values were 64.8°F and 77.4°F respectively.
Most of the days in June are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in June, in
Precipitation total in June for Dewey Beach is 0.9 in. It makes june one of the least rainy months of the year.
The average wind speed in June is 10.0 mph. It makes June one of the most windless months of the year for Dewey 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 Dewey Beach in June is 9.5 hours.
| Boston | ![]() |
+96 |
| Chicago | ![]() |
+86 |
| Hawaii | ![]() |
+82 |
| Houston | ![]() |
+80 |
| Las Vegas | ![]() |
+118 |
| Los Angeles | ![]() |
+100 |
| Maui | ![]() |
+78 |
| Miami | ![]() |
+96 |
| Myrtle Beach | ![]() |
+90 |
| New York | ![]() |
+104 |
| San Diego | ![]() |
+94 |
| San Francisco | ![]() |
+82 |
| Santa Monica | ![]() |
+82 |
| Sarasota | ![]() |
+96 |
| Tampa | ![]() |
+98 |
| 1800 | ![]() |
98°F | E 9 mph |
| 2100 | ![]() |
86°F | NE 8 mph |
| 0000 | ![]() |
82°F | NE 11 mph |
| 0300 | ![]() |
80°F | SE 8 mph |
| 0600 | ![]() |
80°F | S 6 mph |
| 0900 | ![]() |
82°F | SW 5 mph |
| 1200 | ![]() |
86°F | NE 2 mph |
| 1500 | ![]() |
90°F | N 8 mph |
































