Weather in San Juan in Summer
| June | July | August | ||||
| Average day temperature: | ||||||
| Average day temperature: | 86.7°F | 86.7°F | 87.0°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 78.2°F | 78.7°F | 78.6°F | |||
| Sea water temperature: | ||||||
| Sea water temperature: | 82.3°F | 83.0°F | 83.8°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 11 days | 7 days | 7 days | |||
| Day length: | ||||||
| Day length: | 13.2 - 13.3 h. | 13.0 - 13.2 h. | 12.5 - 12.9 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 3 days | 4 days | 4 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 1.6 in. | 2.5 in. | 3.1 in. | |||
current
weather
weather
| San Juan |
monthly
weather
weather
| San Juan |
sea water
temperature
temperature
| San Juan |
14 days
forecast
forecast
| San Juan |
Day & Night air temperature, °F
Sea water temperature, °F
Precipitation total, in.
Sunny, partly cloudy and cloudy days
weather in
winter
winter
| San Juan |
weather in
spring
spring
| San Juan |
weather in
summer
summer
| San Juan |
weather in
autumn
autumn
| San Juan |
Wind speed, mph
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.
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: 15:44
April 28, sunday
1800
77°F
SW
14 mph
14 mph
2100
77°F
SW
14 mph
14 mph
April 29, monday
0000
77°F
SW
14 mph
14 mph
0300
77°F
SW
12 mph
12 mph
0600
77°F
SW
14 mph
14 mph
0900
79°F
SW
17 mph
17 mph
1200
79°F
SW
17 mph
17 mph
1500
79°F
SW
17 mph
17 mph
