Climate guide for San Juan, Puerto Rico

San Juan in December

Weather, crowds & best time to visit

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

December · Puerto Rico

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

December score

7.7/10

Ranked #10 of 12 months

Full year for San Juan
Avg temp
26°C
Rainfall
77 mm
Humidity
79%
Sunny days
15
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

December in San Juan scores 7.7/10 for beach and coastal travel - ranked #10 of 12. Expect around 26°C, 77 mm of rain, and roughly 15 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 December?
In December, San Juan averages 26°C, 77 mm of rain, and about 15 sunny days. Its climate-comfort score is 7.7/10.
Is December a good time to visit San Juan?
December earns a 7.7/10 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 December?
Expect about 77 mm of rain in December. Average humidity is 79% and there are about 15 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.