The highest day temperature in March 2026 was 91°F. The lowest night temperature was 44°F. The average values for day and night temperatures during March were 82.1°F и 64.3°F respectivly.

The average sea surface temperature in March 2026 for St. Petersburg was 73.6°F. The maximum and minimum values were 67.4°F and 78.6°F respectively.

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

Precipitation total in March for St. Petersburg is 0.4 in. It makes march the least rainy month of the year.

The average wind speed in March is 11.6 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 St. Petersburg in March is 8.9 hours.