The highest day temperature in May 2025 was 99°F. The lowest night temperature was 72°F. The average values for day and night temperatures during May were 91.3°F и 79.1°F respectivly.

The average sea surface temperature in May 2025 for Clearwater Beach was 86.2°F. The maximum and minimum values were 81.6°F and 90.4°F respectively.

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

Precipitation total in May for Clearwater Beach is 0.5 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 Clearwater Beach in May is 9.8 hours.