Weather in San Juan, Puerto Rico in July

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

July is a hot and very rainy time for sunbathing in San Juan. July 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 July.

Temperature in San Juan in July

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

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

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

Sunshine in San Juan in July

The average day light hours per day in San Juan in July are 13.1 and there are 8.5 hours of sunshine per day on average during July making it a sunny month with few clouds.

The ultraviolet index in San Juan in July is typically 13 during July. 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 July

The average sea water temperature in San Juan in July is 27.5° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in San Juan in July

The average total rainfall in San Juan in July is 220.3cm and on average there are 24.5 rainy days in July making it a very wet time to visit the beach.

Humidity in San Juan in July

The maximum dew point (an indicator of humidity) in San Juan in July is 25° 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 24° in the previous month and 25° in the next month.

The average maximum relative humidity in San Juan in July is typically 87.2%. The maximum relative humidity is 87.3% in the previous month and 87.9% in the next month.

The average relative humidity in San Juan in July is typically 75.4%. The average relative humidity is 74.4% in the previous month and 75.9% in the next month.

Wind Speed in San Juan in July

The average maximum wind speed in San Juan in July is typically 34kmh. The average maximum wind speed is 31kmh in the previous month and 32kmh in the next month.

The average wind speed in San Juan in July is typically 14kmh. The average wind speed is 13kmh in the previous month and 13kmh in the next month.

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

Monthly Averages

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