Weather in San Juan, Puerto Rico in August

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Visiting San Juan, Puerto Rico in August

The weather in August is marginally warmer than the previous month and temperatures continue to rise quickly into September. August has average maximum temperatures of 32°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 68% making it sunny but overcast at times. The hours of sunshine per day are 8.7hrs making the days long and bright. It is not an optimal time for sunbathing but it is possible on clearer days in San Juan.

August has total rainfall of 22.6cm (8.9inches) making it quite rainy but mostly with moderate tropical showers. There are 24.3 days with some rainfall so there are very few dry days to enjoy the beach.

Sea temperatures are a very warm 28°C (83°F). August is an excellent month for swimming in San Juan with very comfortable temperatures for bathing all day. The sea temperature in August is marginally warmer than the previous month and temperatures continue to rise slightly into September.

August offers hot and sunny days, making it an ideal time for sunbathing and enjoying the beach. Swimming, snorkeling, and diving are popular activities, with the water temperature remaining warm. Surfing conditions may be less consistent, but windsurfing and kitesurfing conditions remain favorable due to the steady winds. Consider visiting San Juan in the months of January, February, March, April, for the best beach weather. Also consider one of our other suggestions for August.

Can you sunbathe in San Juan in August?

Yes, August is not an optimal time for sunbathing but it is possible on clearer days in San Juan.

August has average maximum temperatures of 32°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 68% making it sunny but overcast at times. The hours of sunshine per day are 8.7hrs making the days long and bright. August has total rainfall of 22.6cm (8.9inches) making it quite rainy but mostly with moderate tropical showers. There are 24.3 days with some rainfall so there are very few dry days to enjoy the beach.

More about August temperature and sunshine.

Can you swim in San Juan in August?

Yes, August is an excellent month for swimming in San Juan with very warm sea temperatures 28°C (83°F).

More about August sea temperatures.

Is August a good time to holiday in San Juan?

Yes, August is a good time for a holiday in San Juan.

August has average maximum temperatures of 32°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 68% making it sunny but overcast at times. The hours of sunshine per day are 8.7hrs making the days long and bright. August has total rainfall of 22.6cm (8.9inches) making it quite rainy but mostly with moderate tropical showers. There are 24.3 days with some rainfall so there are very few dry days to enjoy the beach. It is not an optimal time for sunbathing but it is possible on clearer days in San Juan. Sea temperatures are a very warm 28°C (83°F). August is an excellent month for swimming in San Juan with very comfortable temperatures for bathing all day.

More about the August temperatures and sunshine.

Is San Juan warm in August?

Yes, San Juan is very hot and perfect for sunbathing on clear days in August.

The average maximum temperature in San Juan in August is 32°C (89°F). The average maximum temperature is 32°C (89°) in the previous month and 35°C (95°F) in the next month.

The average temperature in San Juan in August is 29°C (84°F). The average temperature is 29°C (83°F) in the previous month and 29°C (83°F) in the next month.

More info about the August temperatures and sunshine.

How sunny is San Juan in August?

The average day light hours per day in San Juan in August are 12.8. The sunshine percentage is 68% making it sunny but overcast at times. The hours of sunshine per day are 8.7hrs making the days long and bright.

More about August sunshine.

Crowds in San Juan in August

August continues to be a busy month for San Juan beaches, as the summer vacation season is still in full swing. The weather remains hot and sunny, attracting beachgoers. There are no major public holidays or events in August, but the overall summer vacation crowds keep the beaches fairly busy.

Temperature in San Juan in August

The weather in August is marginally warmer than the previous month and temperatures continue to rise quickly into September. The average maximum temperature in San Juan in August is 32°C (89°F). The average maximum temperature is 32°C (89°F) in the previous month and 35°C (95°F) in the next month.

The average temperature in San Juan in August is 29°C (84°F). The average temperature is 29°C (83°F) in the previous month and 29°C (83°F) in the next month.

The average minimum temperature in San Juan in August is 26°C (78°F). The minimum temperature is 26°C (78°F) in the previous month and 26°C (78°F) in the next month.

Sunshine in San Juan in August

The days in August are marginally shorter than the previous month and days continue to get slightly shorter into September. August has a slightly more hours of sunshine than the previous month. During August the average day light hours are 12.8 per day in San Juan. The sunshine percentage is 68% making it sunny but overcast at times. The hours of sunshine per day are 8.7hrs making the days long and bright.

The ultraviolet index in San Juan in August is typically 13.1 during August. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in San Juan in August

The average sea water temperature in San Juan in August is 28.3°C (82.9°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in August is marginally warmer than the previous month and temperatures continue to rise slightly into September.

Rainfall in San Juan in August

August weather is slightly wetter than the previous month. August has a couple of less days of rain than the previous month and rainy days continue to drop into September. The average total rainfall in San Juan in August is 22.6cm (8.9inches) and on average there are 24.3 rainy days in August making it a very wet time to visit the beach.

Humidity in San Juan in August

The maximum dew point (an indicator of humidity) in San Juan in August is 25°C (77°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 25°C (76°F) in the previous month and 25°C (25°F) in the next month.

The average maximum relative humidity in San Juan in August is typically 87.9%. The maximum relative humidity is 87.2% in the previous month and 88% in the next month.

The average relative humidity in San Juan in August is typically 75.9%. The average relative humidity is 75.4% in the previous month and 75.6% in the next month.

Wind Speed in San Juan in August

The average maximum wind speed in San Juan in August is typically 32KM/H (20MPH). The average maximum wind speed is 34KM/H (21MPH) in the previous month and 28KM/H (17MPH) in the next month.

The average wind speed in San Juan in August is typically 13KM/H (8MPH). The average wind speed is 14KM/H (9MPH) in the previous month and 9KM/H (6MPH) in the next month.

The average wind direction in San Juan in August is from the East.

Monthly Averages

Suggested Beaches in August

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.