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San Juan in July

A good month — score 69 of 100

Typical July days in San Juan reach about 89°F with nights near 78°F; rain is frequent — about 19 days see some rain, usually in showers. It falls inside Atlantic hurricane season (June 1–November 30) on the calendar.

Season note: July falls in Atlantic hurricane season (June 1–November 30). That is climatology, not a forecast — but it is the one risk the averages cannot show.

What to pack for San Juan in July

• A waterproof shell and shoes you can soak — rain falls on about 19 days in a typical July, so plan an indoor anchor each day.
• Pace the midday hours — about 10 days in a typical July reach 90°F.
• Swimsuit, sandals, and reef-safe sunscreen.

Every packing line is triggered by a number on this page — the rules are on How we pick.

July vs. the alternatives

The whole year in San Juan

Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month.