San Juan Weather in July

July in San Juan typically sees daytime highs of 29°C (84°F) and nighttime lows of 25°C (77°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in San Juan in July

Looking at the last 30 years, the data shows about 24 days with rain, averaging 145 mm (5.7 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in San Juan in July

Daytime highs in San Juan in July reach 29°C (84°F), with nights around 25°C (77°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.

Sunshine in San Juan in July

There are approximately 206 hours of sunshine this month, resulting in mostly clear days.

Average water temperature in July

The water is 28°C (82°F) this month, warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

For San Juan itself, January, February and March generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.