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Hourly Forecast
Daylight Hours
06:00
Sunrise
17:47
Sunset
Moon
Waxing Crescent
8% illuminated
08:31
Moonrise
19:46
Moonset
Daily Forecast
Wednesday
Today
Friday
Saturday
Sunday
Monday
Tuesday
Air Quality Data Available
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Resources
UV Index
Humidity
Frequently asked questions about weather in San Juan
How warm does it get in San Juan?
The warmest month in San Juan is September, with average high temperatures of 32°C. The average temperature during this period is around 27°C.
How cold does it get in San Juan?
The coldest month in San Juan is July, with average low temperatures of 23°C. The average temperature during this period is around 25°C.
What is the wettest time of year in San Juan?
The wettest month in San Juan is April, with an average of 333mm of precipitation.
What is the driest time of year in San Juan?
The driest month in San Juan is September, with an average of 138mm of precipitation.