The climate of San Juan (Puerto Rico)
San Juan is the largest and most important city in Puerto Rico. The
capital of the island has a population of about 500,000. San Juan has
the highest concentration of white inhabitants in the Caribbean. About
three quarters of the population of San Juan is Caucasian. This is
caused by the many immigrants that came from Spain in the past. San
Juan has a tropical monsoon climate (type Am according to the Köppen
climate classification) with warm weather and precipitation all year
round. The only reason the climate of San Juan cannot be classified as
a tropical rainforest climate is because the driest months get less
than 60 millimeters of precipitation. In total San Juan gets 1,289
millimeters of annual precipitation quite evenly spread out over the
year. From January till March precipitation figures are slightly
lower.
During the winter daytime temperatures are 28 degrees
Celsius (82.4 degrees Fahrenheit), during the summer daytime
temperatures are 31 degrees Celsius (87.8 degrees Fahrenheit). Large
deviations in temperatures are uncommon. The highest temperatures that
may occur are 36-37 degrees Celsius (96.8-98.6 degrees Fahrenheit).
Minimum temperatures are between 22-25 degrees Celsius (71.6-77.0
degrees Fahrenheit). These figures are also fairly constant, because
temperatures lower than 16 degrees Celsius (60.8 degrees Fahrenheit)
during the winter and lower than 21 degrees Celsius (69.8 degrees
Fahrenheit) during the summer are uncommon. High temperatures in
combination with high precipitation figures cause high humidity
figures which may cause things to feel muggy. However, because of an
ever blowing sea breeze this effect is slightly tempered.
Climate information
The figures below are based on long term weather and climate records.
They are an average for San Juan.
More climate information
Climate figures are very useful but don’t present a general impression
of the climate and the eventual weather circumstances within a certain
period. The figures don’t always reflect the chance of wintry weather,
extreme heat or hurricanes. That is why we offer useful extra climate
information for each month of the year:
Disclaimer
The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. “More climate info” is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, it’s up to the reader to use it to it’s benefit.
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