Weather in San Juan, Puerto Rico in October

So you're interested in going to San Juan, Puerto Rico in October

October is a hot and very rainy time for sunbathing in San Juan. October is an excellent month for swimming in San Juan with very warm sea temperatures. 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 October.

Temperature in San Juan in October

The average maximum temperature in San Juan in October is 32°. The average maximum temperature is 35° in the previous month and 30° in the next month.

The average temperature in San Juan in October is 28°. The average temperature ranges is 29° in the previous month and 27° in the next month.

The average minimum temperature in San Juan in October is 25°. The minimum temperature is 26° in the previous month and 24° in the next month.

Sunshine in San Juan in October

The average day light hours per day in San Juan in October are 11.7 and there are 7.6 hours of sunshine per day on average during October making it a quite sunny month with some cloud cover.

The ultraviolet index in San Juan in October is typically 10.4 during October. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. 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 October

The average sea water temperature in San Juan in October is 29° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in San Juan in October

The average total rainfall in San Juan in October is 175cm and on average there are 20.9 rainy days in October making it a very wet time to visit the beach.

Humidity in San Juan in October

The maximum dew point (an indicator of humidity) in San Juan in October is 24° 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° in the previous month and 23° in the next month.

The average maximum relative humidity in San Juan in October is typically 88.2%. The maximum relative humidity is 88% in the previous month and 89% in the next month.

The average relative humidity in San Juan in October is typically 75%. The average relative humidity is 75.6% in the previous month and 76.2% in the next month.

Wind Speed in San Juan in October

The average maximum wind speed in San Juan in October is typically 28kmh. The average maximum wind speed is 28kmh in the previous month and 28kmh in the next month.

The average wind speed in San Juan in October is typically 9kmh. The average wind speed is 9kmh in the previous month and 10kmh in the next month.

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

Monthly Averages

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