Measurements:
°C
°F
CURRENT WEATHER
15:38
San Juan
90°F
W 16 mph
Feels like: 104°F
Precip: 0%
World Resorts Puerto Rico San Juan Weather March Weather in San Juan

San Juan Weather: March

Average Day Temperature: 84.7°F
Average Night Temperature: 76.6°F
Sea Water Temperature: 82.9°F
Number of Sunny Days: 10 days
Sunshine Hours: 11.8 - 12.3 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.5 in
detailed information

Air Temperature in March, °F

Select Year: 2025 2024 2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
15
30
45
60
75
90
105
120
Day Temperature   
Night Temperature

The highest day temperature in March 2025 was 89°F. The lowest night temperature was 75°F. The average values for day and night temperatures during March were 84.7°F и 78.9°F respectivly.

San Juan Water Sea Temperature in March, °F

Select Year: 2025 2024 2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
78
80
82
84
86
88
90

The average sea surface temperature in March 2025 for San Juan was 84.7°F. The maximum and minimum values were 83.8°F and 85.8°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
32%
42%
26%

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

Precipitation Totals in March, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
7
14
21
28
35
42
49
56

Precipitation total in March for San Juan is 1.5 in. It makes march the least rainy month of the year.

Wind Speed in March, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
2.2
4.3
6.5
8.6
10.8
12.9
15.1

The average wind speed in March is 11.5 mph.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.3
2.7
4.0
5.4
6.7
8.1
9.4

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 San Juan in March is 6.8 hours.

Best Time to Visit San Juan
The most sunny months:
June 10 days
March 10 days
April 9 days
The most warm months:
September 91.2 °F
August 91.1 °F
July 90.7 °F
Warmest sea temperature:
October 88.8 °F
September 88.7 °F
August 87.7 °F
The most cold months:
February 84.0 °F
January 84.2 °F
March 84.7 °F
The most rainy months:
October 5 days
August 4 days
September 4 days
The most windy months:
July 12 mph
February 12 mph
August 12 mph
more details

San Juan on the Weather Map

Puerto Rico Resorts:
NAME
F°
Aguadilla +86
Arecibo +82
Isabella +86
Mayaguez +84
Ponce +92
San Juan +90
24 Hours Weather Forecast
San Juan
Local time: 15:38
15 apr, tuesday
1800 86°F
W
14 mph
2100 82°F
W
11 mph
16 apr, wednesday
0000 82°F
W
9 mph
0300 80°F
NW
8 mph
0600 80°F
NW
7 mph
0900 82°F
NW
11 mph
1200 86°F
W
15 mph
1500 84°F
W
16 mph