Climate guide for San Juan, Puerto Rico

San Juan in January

Weather, crowds & best time to visit

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

January · Puerto Rico

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

January score

8.9/10

Ranked #2 of 12 months

Full year for San Juan
Avg temp
26°C
Rainfall
44 mm
Humidity
76%
Sunny days
18
Crowd Density
Moderate Crowds
Average Expenses
$$$ · Peak Season Rates ($$$)

January in San Juan scores 8.9/10 for beach and coastal travel - one of the top 12-month picks (#2). Expect around 26°C, 44 mm of rain, and roughly 18 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 January?
In January, San Juan averages 26°C, 44 mm of rain, and about 18 sunny days. Its climate-comfort score is 8.9/10.
Is January a good time to visit San Juan?
January earns a 8.9/10 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 January?
Expect about 44 mm of rain in January. Average humidity is 76% and there are about 18 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.