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.

Average monthly minimum and maximum temperature in San Juan, Puerto Rico

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in San Juan, Puerto Rico

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Daily percent of sunshine

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

Average monthly percentage of sunshine in San Juan, Puerto Rico

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Average water temperature

The mean water temperature over the year.

Average monthly water temperature in San Juan, Puerto Rico

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Monthly precipitation

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

Average monthly rainfall, snow, precipitation in San Juan, Puerto Rico

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Monthly rainy days

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

Average monthly rainy days in San Juan, Puerto Rico

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in San Juan, Puerto Rico

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Average wind speed

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

Average monthly wind speed in San Juan, Puerto Rico

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Weather Forecasts for San Juan

Thu   Mar 28
30°C | 23°C
NW 25 km/h
almost clear and no rain

almost clear and no rain

Fri   Mar 29
30°C | 24°C
NW 22 km/h
almost clear and no rain

almost clear and no rain

Sat   Mar 30
29°C | 23°C
NE 18 km/h
almost clear and no rain

almost clear and no 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 weather data:

  • Which is the hottest month in San Juan?
    August has an average maximum temperature of 31°C 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.
  • Which is the wettest month in San Juan?
    September tops the wettest month list with 159 mm of rainfall.
  • Which is the driest month in San Juan?
    February is the driest month with 47 mm 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 have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.