The highest day temperature in May 2025 was 85°F. The lowest night temperature was 50°F. The average values for day and night temperatures during May were 70.7°F и 60.2°F respectivly.

The average sea surface temperature in May 2025 for Fenwick Island was 61.5°F. The maximum and minimum values were 56.4°F and 65.2°F respectively.

Most of the days in May are gloomy but you can also expect sunny days.

Precipitation total in May for Fenwick Island is 1.0 in. It makes may one of the least rainy months of the year.

The average wind speed in May is 10.1 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 Fenwick Island in May is 6.8 hours.