Puerto Rico weather in August
What is the weather like in Puerto Rico in August?
The weather conditions in Puerto Rico in August are generally tolerable.
You can expect very warm maximum average daytime temperatures of around 32°C (89°F) and nighttime temperatures around 26°C (78°F) in San Juan. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.
Precipitation in August ranges from heavy in San Juan with an average of 162mm (6.4inch) rainfall to heavy in Mayaguez with 177mm (7inch).
It is also generally a
sunny
period with an average of 267 hours of sunshine in San Juan during the entire month.
We invite you to have a look at the map below to find out more about the different weather conditions per location in Puerto Rico.
Where to go in Puerto Rico in August
perfect weather
pleasant
tolerable
unpleasant
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Popular destinations in Puerto Rico
What is the weather like in August for the 5 most popular destinations in Puerto Rico?
Average weather in San Juan
In August San Juan generally has very high temperatures with maximum daytime temperatures around 32°C (89°F), minimum nighttime temperatures around 26°C (78°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.
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Average weather in Rincon
In August Rincon generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.
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Average weather in Vieques
In August Vieques generally has very high temperatures with maximum daytime temperatures around 32°C (89°F), minimum nighttime temperatures around 26°C (78°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.
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Average weather in Culebra
In August Culebra generally has very high temperatures with maximum daytime temperatures around 32°C (89°F), minimum nighttime temperatures around 26°C (78°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.
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Average weather in Fajardo
In August Fajardo generally has very high temperatures with maximum daytime temperatures around 32°C (89°F), minimum nighttime temperatures around 26°C (78°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.
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Is your destination not in the list? Have a look at other destinations in Puerto Rico.
Is August the best time to go to Puerto Rico?
In our opinion August is a good time to visit Puerto Rico with commonly tolerable weather in San Juan. However, the weather conditions may vary depending on your destination.
On average the best time to visit Puerto Rico is in February and March with generally perfect weather in San Juan.
The worst month is November that can have unpleasant weather conditions.
Interested in more climate information?
We have much more information about the climate in Puerto Rico.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for almost all countries in the world. Are you going to Puerto Rico? Get detailed historical weather averages for many cities in Puerto Rico.
Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.
