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St. Petersburg weather in March

Weather in St. Petersburg: March

Average day temperature: 73.7°F
Average night temperature: 66.8°F
Sea water temperature: 71.6°F
Number of sunny days: 19 days
Day length: 11.6 - 12.4 hours
Number of rainy days: 1 day
Precipitation totals: 0.4 in.

Air temperature in March, °F

Show year:
2025
2024
2023

The highest day temperature during March of 2025 was 82°F. At the same time the lowest night temperature was 54°F. Daily and nightly averages during March were 73.2°F and 62.6°F.

Sea water temperature in St. Petersburg in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 68.8°F. The highest and lowest sea temperatures during the month were 73.4°F and 66.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in March are sunny but cloudy days are also possible.

Precipitation total in March, in.

Precipitation total value in St. Petersburg in March is 0.4 in. Other months of the year show relatively similar values.

Wind speed in March, mph

The average wind speed value in March is 11.7 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 8.6.

Best time for vacation in St. Petersburg

Sunniest months:
May 19 days
March 19 days
April 19 days
Warmest months:
July 87.5 °F
August 87.4 °F
June 85.6 °F
Warmest sea temp:
August 87.5 °F
July 87.2 °F
September 85.1 °F
Coldest months:
January 64.0 °F
December 67.7 °F
February 68.5 °F
Rainiest months:
July 4 days
September 4 days
August 3 days
Windiest months:
April 12.3 mph
November 12.1 mph
October 12.1 mph

St. Petersburg on a weather map

St. Petersburg
+63°F
NW 4 mph
Feels like: +63°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
St. Petersburg
Local time: 23:13
December 05, friday
0000
63°F
NW
4 mph
0300
63°F
NW
7 mph
0600
63°F
N
8 mph
0900
66°F
N
10 mph
1200
70°F
N
12 mph
1500
72°F
N
14 mph
1800
72°F
N
11 mph
2100
72°F
NE
7 mph
Units of measurement: °C / °F