The highest day temperature in May 2023 was 85°F. The lowest night temperature was 44°F. The average values for day and night temperatures during May were 68.8°F и 53.7°F respectivly.

The average sea surface temperature in May 2023 for Tortoli was 65.6°F. The maximum and minimum values were 63.0°F and 70.8°F respectively.

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

Precipitation total in May for Tortoli is 3.4 in. It makes may the most rainy month of the year.

The average wind speed in May is 6.3 mph. This value is relatively stable throughout the year.

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 Tortoli in May is 10.0 hours.