Please click on any column to get detailed information about San Juan weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
The warmest month in San Juan is august. The average daily temp is 86.4°F. The average nightly temp is 79.0°F.
Sea water temperature, °F
The warmest sea temperature usually observed in October. Average daily sea water temperature during this month is 84.9°F.
Precipitation total, in.
Number of rainy days
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
sea water
temperature
temperature
| San Juan |
14 days
forecast
forecast
| San Juan |
current
weather
weather
| San Juan |
7 days
forecast
forecast
| San Juan |
Best time for vacation in San Juan
San Juan on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
San Juan
Local time: 06:23
December 21, sunday
0900
79°F
W
12 mph
12 mph
1200
82°F
W
15 mph
15 mph
1500
82°F
W
15 mph
15 mph
1800
79°F
W
12 mph
12 mph
2100
79°F
W
11 mph
11 mph
December 22, monday
0000
77°F
W
9 mph
9 mph
0300
77°F
W
7 mph
7 mph
0600
79°F
W
8 mph
8 mph
