ClimateForecastJulyAugust >>

San Juan Climate by Month

The graphs below provide an overview of the climate in San Juan (North Puerto Rico), Puerto Rico. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

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

Forecast for San Juan

Sat   Jul 13
31°C | 27°C
E 22 km/h
1.7 mm
broken clouds and rain

broken clouds and rain

Sun   Jul 14
32°C | 28°C
E 25 km/h
2.8 mm
partly cloudy and thunder

partly cloudy and thunder

Mon   Jul 15
32°C | 27°C
NE 29 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.