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 © 2022  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 © 2022  weather-and-climate.com

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Daily percent of sunshine

The mean percent of sunhours during the day over the year

Average percent of sunshine in San Juan, Puerto Rico   Copyright © 2022  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 © 2022  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 © 2022  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 © 2022  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 © 2022  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 © 2022  weather-and-climate.com

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Weather Forecasts for San Juan (North Puerto Rico)

MON   Dec 05
26°C | 23°C
NNW 26 kmph
2.0 mm
Patchy rain possible

Patchy rain possible

TUE   Dec 06
26°C | 22°C
NE 21 kmph
0.7 mm
Patchy rain possible

Patchy rain possible

WED   Dec 07
28°C | 22°C
E 20 kmph
4.4 mm
Patchy rain possible

Patchy rain possible

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.

San Juan has warm temperatures year round ranging between 28°C (83°F) and 31°C (89°F).
Other facts from our historical climate data:

  • Which months have the greatest rainfall in San Juan?
    Most rainfall (rainy season) is seen in July, August, September and November.
  • Which is the warmest month in San Juan?
    September has an average maximum temperature of 32°C (89°F) and is the warmest month of the year.
  • Which is the coldest month in San Juan?
    The coldest month is February with an average maximum temperature of 29°C (83°F).
  • Which is the wettest month in San Juan?
    November tops the wettest month list with 181mm (7.1in) of rainfall.
  • Which is the driest month in San Juan?
    March is the driest month with 54mm (2.1in) 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.