San Juan weather in August (North Puerto Rico, Puerto Rico)
Will it be rainy or sunny in San Juan this August? Discover if this is the best time for your journey with our detailed monthly weather breakdown.
Temperatures
August in San Juan generally includes very high temperatures and high rainfall. In the daytime, temperatures tend to hover near 31°C, cooling down at night to around 25°C. Prepare for the warmest month of the year with plenty of summer clothes. Whether you're relaxing or active, staying cool and protected is key.
Precipitation
San Juan in August usually receives high rainfall, averaging around 118 mm for the month. When we look at the climate data from the last 30 years, you can expect around 20 days of rain.Average sunshine
With approximately 267 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit San Juan. January, February, March and December typically offer the most optimal weather. In contrast, May, July, August, September, October and November tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized San Juan climate page with graphs.
San Juan, monthly averages in August
Min Temperature
25°C
Max Temperature
31°C
Water Temperature
29°C
Chance of Rain
66%
Precipitation
118 mm
Rainy days
20 days
Humidity
76%
Windspeed
11 km/h
Sunshine
267 hours
Percentage Sunshine
68%
Where to go in Puerto Rico in August
Find out more about the weather in Puerto Rico and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 29°C this is a great month to swim so bring your swimwear.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in San Juan.
Our site offers climate and forecast data for every country in the world. Are you going to Puerto Rico? On this website you can find historical weather averages for many cities in Puerto Rico. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
