The highest day temperature in May 2023 was 95°F. The lowest night temperature was 58°F. The average values for day and night temperatures during May were 87.3°F и 69.6°F respectivly.

The average sea surface temperature in May 2023 for St. Augustine was 78.8°F. The maximum and minimum values were 75.0°F and 82.6°F respectively.

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

Precipitation total in May for St. Augustine is 1.1 in.

The average wind speed in May is 5.4 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 St. Augustine in May is 8.6 hours.