World Resorts USA Port St. Lucie Weather

Port St. Lucie weather in March

Weather in Port St. Lucie: March

Average day temperature: 77.3°F
Average night temperature: 68.2°F
Sea water temperature: 74.1°F
Number of sunny days: 14 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 86°F. At the same time the lowest night temperature was 48°F. Daily and nightly averages during March were 78.5°F and 62.7°F.

Sea water temperature in Port St. Lucie in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 71.5°F. The highest and lowest sea temperatures during the month were 73.9°F and 68.5°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 Port St. Lucie 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 11.1 mph It makes March one of the most windy months of the year.

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: 7.6.

Best time for vacation in Port St. Lucie

Sunniest months:
March 14 days
May 12 days
December 11 days
Warmest months:
July 87.5 °F
August 87.5 °F
September 85.5 °F
Warmest sea temp:
August 84.9 °F
September 84.5 °F
July 83.9 °F
Coldest months:
January 70.1 °F
December 72.6 °F
February 74.4 °F
Rainiest months:
September 4 days
June 3 days
May 2 days
Windiest months:
November 11.5 mph
April 11.3 mph
March 11.1 mph

Port St. Lucie on a weather map

Port St. Lucie
+68°F
W 8 mph
Feels like: +68°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+45°F
+55°F
+70°F
+77°F
+70°F
+23°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Port St. Lucie
Local time: 01:09
December 05, friday
0300
64°F
NW
7 mph
0600
64°F
NW
7 mph
0900
70°F
N
6 mph
1200
73°F
N
9 mph
1500
81°F
NE
7 mph
1800
79°F
NE
3 mph
2100
75°F
NE
1 mph
December 06, saturday
0000
70°F
NE
5 mph
Units of measurement: °C / °F