San Juan Weather in June

June in San Juan brings very high temperatures around 31°C (88°F) during the day, dropping to 25°C (77°F) at night, with quite a bit of rainfall expected, averaging around 92 mm (3.6 in) for the month.

Rainfall in San Juan in June

You can typically expect 17 days of rain this month, averaging around 92 mm (3.6 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in San Juan in June

June in San Juan brings very high temperatures, with highs of 31°C (88°F) and nights around 25°C (77°F). It's usually most comfortable outside during the morning and later in the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.

Sunshine in San Juan in June

Expect a lot of sunshine this month, with about 259 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in San Juan in June

Wind speeds average 3 m/s (6 knots) during June. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Average water temperature in June

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.

If you prefer enjoying temperate temperatures and rain-free days, January, February, March and December typically offer 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.