Climate guide for San Juan, Puerto Rico

San Juan in June

Weather, crowds & best time to visit

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June · Puerto Rico

Best time to visit San Juan in June Weather, crowds & prices

Weather in San Juan in June

Average temperature 29°C, 88 mm of rain, about 29 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

June score

8.7/10

Ranked #4 of 12 months

Full year for San Juan
Avg temp
29°C
Rainfall
88 mm
Humidity
78%
Days with 6h+ sun
29
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

June in San Juan scores 8.7/10 for beach and coastal travel - an above-average month (#4 of 12). Expect around 29°C, 88 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.

Old San Juan's blue cobbles, fortresses and salsa bars face the Atlantic in Puerto Rico's capital.

June ranks 4th of 12 for San Juan — one of the best windows

June averages 29°C (84°F) and humidity near 78%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rainfall runs 88 mm, so plan one flexible day in three; you still get about 29 days with 6+ hours of sunshine and 13.1 hours of daylight.

A 8.7/10 puts this among the year's best months in San Juan (4th of 12); only March scores higher, at 9.4/10.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

Plan for mid-season pricing, with crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in San Juan in June?
In June, San Juan averages 29°C, 88 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 8.7/10.
Is June a good time to visit San Juan?
June earns a 8.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in San Juan in June?
Expect about 88 mm of rain in June. Average humidity is 78% and there are about 29 days with 6+ hours of sunshine.

Curated in San Juan

Tickets & experiences

Things to do in San Juan

San Juan, Puerto Rico. Live activities and tours from GetYourGuide, matched to this destination.