The highest day temperature in March 2025 was 86°F. The lowest night temperature was 55°F. The average values for day and night temperatures during March were 75.8°F и 64.0°F respectivly.

The average sea surface temperature in March 2025 for St. Petersburg was 70.9°F. The maximum and minimum values were 68.6°F and 76.0°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 one of the least rainy months of the year.

The average wind speed in March is 11.7 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 8.7 hours.