July weather forecast
San Juan, Dominican Republic

July witnesses the peak of San Juan's "wet season". Remarkably, rainfall levels hit 111mm (4.37"), spread evenly across 15 days of the month. The temperature remains consistently high, and daylight hours begin to drop very slightly compared to the previous months. Nonetheless, the city enjoys warm and humid weather thanks to the mighty Caribbean sun. The blend of warm temperatures and high humidity makes July a very tropical month in San Juan.

Temperature

July through September mark San Juan's peak of temperatures, averaging a high-temperature of 32°C (89.6°F).

Rainfall

In San Juan, in July, during 15 rainfall days, 111mm (4.37") of precipitation is typically accumulated. Throughout the year, in San Juan, there are 154 rainfall days, and 1160mm (45.67") of precipitation is accumulated.

Daylight

In San Juan, the average length of the day in July is 13h and 8min.
On the first day of July, sunrise is at 06:11 and sunset at 19:26. On the last day of the month, sunrise is at 06:22 and sunset at 19:20 AST.

Sunshine

February through April, June through August, with an average of 8h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index in San Juan are March through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an excessive health risk from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 12 in July translates into this advice:
Put into action all important safeguards, unprotected skin may burn swiftly. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Even when the sky is cloudy, apply generously and frequently reapply a sunscreen with SPF 30 or more, especially post every swim or outdoor exercise.