Rehoboth Beach Weather: May
 |
Average Day Temperature: | 67.6°F |
|
Average Night Temperature: | 58.7°F |
|
Sea Water Temperature: | 59.6°F |
|
Number of Sunny Days: | 11 days |
| Sunshine Hours: | 13.8 - 14.7 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.9 in | |
| detailed information | ||
forecast
| Rehoboth Beach |
Temperature
| Rehoboth Beach |
Air Temperature in May, °F
The highest day temperature in May 2026 was 85°F. The lowest night temperature was 48°F. The average values for day and night temperatures during May were 65.8°F и 58.7°F respectivly.
Rehoboth Beach Water Sea Temperature in May, °F
The average sea surface temperature in May 2026 for Rehoboth Beach was 59.4°F. The maximum and minimum values were 54.8°F and 65.0°F respectively.
You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in May, in
Precipitation total in May for Rehoboth Beach is 0.9 in. It makes may one of the least rainy months of the year.
The average wind speed in May is 10.8 mph.
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 Rehoboth Beach in May is 7.5 hours.
Rehoboth Beach on the Weather Map
| 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 |