The highest day temperature in May 2026 was 86°F. The lowest night temperature was 46°F. The average values for day and night temperatures during May were 69.4°F и 60.6°F respectivly.

The average sea surface temperature in May 2026 for Annapolis was 64.9°F. The maximum and minimum values were 59.2°F and 71.4°F respectively.

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

Precipitation total in May for Annapolis is 0.9 in. It makes may the least rainy month of the year.

The average wind speed in May is 8.5 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 Annapolis in May is 7.7 hours.