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: | 78.3°F | 78.7°F | 78.7°F | |||
| Sea water temperature: | ||||||
| Sea water temperature: | 82.5°F | 83.1°F | 83.9°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 10 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. | 2.4 in. | 3.0 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: 12:21
December 22, sunday
1500
82°F
W
5 mph
5 mph
1800
81°F
W
9 mph
9 mph
2100
79°F
NW
4 mph
4 mph
December 23, monday
0000
79°F
W
7 mph
7 mph
0300
79°F
NW
6 mph
6 mph
0600
79°F
W
6 mph
6 mph
0900
82°F
W
7 mph
7 mph
1200
82°F
W
11 mph
11 mph
