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Hourly Forecast
Daylight Hours
05:26
Sunrise
18:27
Sunset
Moon
Waning Gibbous
89% illuminated
21:01
Moonrise
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
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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 June, with average high temperatures of 33°C. The average temperature during this period is around 28°C.
How cold does it get in San Juan?
The coldest month in San Juan is February, with average low temperatures of 20°C. The average temperature during this period is around 22°C.
What is the wettest time of year in San Juan?
The wettest month in San Juan is July, with an average of 424mm of precipitation.
What is the driest time of year in San Juan?
The driest month in San Juan is March, with an average of 81mm of precipitation.
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