The highest day temperature in May 2026 was 83°F. The lowest night temperature was 55°F. The average values for day and night temperatures during May were 73.6°F и 68.9°F respectivly.

The average sea surface temperature in May 2026 for Hatteras Island was 72.8°F. The maximum and minimum values were 66.6°F and 79.4°F respectively.

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

Precipitation total in May for Hatteras Island is 1.1 in.

The average wind speed in May is 13.3 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 Hatteras Island in May is 7.7 hours.