Climate in San Juan (North Puerto Rico, Puerto Rico)

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year. Show in Fahrenheit

Average min and max temperatures in San Juan, Puerto Rico   Copyright © 2023  weather-and-climate.com

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly sunhours in San Juan, Puerto Rico   Copyright © 2023  weather-and-climate.com

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Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Average percent of sunshine in San Juan, Puerto Rico   Copyright © 2023  weather-and-climate.com

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Average water temperature

The mean water temperature over the year. Show in Fahrenheit

Average water temperatures in San Juan, Puerto Rico   Copyright © 2023  weather-and-climate.com

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc. Show in Inches

Average precipitation (rain/snow) in San Juan, Puerto Rico   Copyright © 2023  weather-and-climate.com

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average rainy days (rain/snow) in San Juan, Puerto Rico   Copyright © 2023  weather-and-climate.com

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Average humidity

The mean monthly relative humidity over the year

Average relative humidity in San Juan, Puerto Rico   Copyright © 2023  weather-and-climate.com

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Average wind speed

The mean monthly wind speed over the year (in meters per second)

Average wind speed in San Juan, Puerto Rico   Copyright © 2023  weather-and-climate.com

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Weather Forecasts for San Juan (North Puerto Rico)

Sat   Sep 23
33°C | 26°C
E 11 km/h
0.2 mm
broken clouds and slight rain

broken clouds and slight rain

Sun   Sep 24
32°C | 27°C
E 11 km/h
2.5 mm
broken clouds and  chance of rain

broken clouds and chance of rain

Mon   Sep 25
32°C | 27°C
E 18 km/h
1.6 mm
partly cloudy and rain

partly cloudy and rain

The best time of year to visit San Juan in Puerto Rico

The best time to visit Juan is in the months January, February and March, these months are the most dry. Regarding average temperature there is not a big difference between summer and winter.

Because of it's high temperatures with a lot of precepation the humidity can be pretty high,but because of the nice sea breeze you won't experience it as too hot.

Other facts from our historical climate data:

  • Which is the hottest month in San Juan?
    August has an average maximum temperature of 31°C (88°F) and is the hottest month of the year.
  • Which is the coolest month in San Juan?
    The coolest month is February with an average maximum temperature of 28°C (83°F).
  • Which is the wettest month in San Juan?
    September tops the wettest month list with 159mm (6.3in) of rainfall.
  • Which is the driest month in San Juan?
    February is the driest month with 47mm (1.8in) of precipitation.
  • Which is the sunniest month in San Juan?
    March is the sunniest month with an average of 284 hours of sunshine.

  • No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.