Weather in San Juan: June
 |
Average day temperature: | 86.5°F |
| Average night temperature: | 78.3°F | |
 |
Sea water temperature: | 82.5°F |
 |
Number of sunny days: | 10 days |
| Day length: | 13.2 - 13.3 hours | |
 |
Number of rainy days: | 3 days |
| Precipitation totals: | 1.5 in. | |
| more information | ||
forecast
| San Juan |
temperature
| San Juan |
Air temperature in June, °F
The highest day temperature during June of 2025 was 87°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during June were 84.2°F and 79.6°F.
Sea water temperature in San Juan in June, °F
The average sea water temperature in June of 2025 was 82.8°F. The highest and lowest sea temperatures during the month were 83.1°F and 82.2°F.
Mostly all days in June are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in June, in.
Precipitation total value in San Juan in June is 1.6 in. Other months of the year show relatively similar values.
The average wind speed value in June is 11.8 mph It makes June one of the most windy months of the year.
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 June is: 6.8.
Best time for vacation in San Juan
San Juan on a weather map
7 mph
6 mph
9 mph
16 mph
14 mph
11 mph
11 mph
12 mph
