Climate guide for San Juan, Puerto Rico

San Juan in May

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

May · Puerto Rico

Best time to visit San Juan in MayWeather, crowds & prices

May score

7.9/10

Ranked #7 of 12 months

Full year for San Juan
Avg temp
28°C
Rainfall
140 mm
Humidity
78%
Sunny days
28
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

May in San Juan scores 7.9/10 for beach and coastal travel - ranked #7 of 12. Expect around 28°C, 140 mm of rain, and roughly 28 sunny days this month.

Fort walls and pastel Old San Juan alleys - best timed for December-April.

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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 May?
In May, San Juan averages 28°C, 140 mm of rain, and about 28 sunny days. Its climate-comfort score is 7.9/10.
Is May a good time to visit San Juan?
May earns a 7.9/10 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 May?
Expect about 140 mm of rain in May. Average humidity is 78% and there are about 28 sunny days.

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.