San Juan in January
Festival season
By Daan · Last reviewed October 2026
The short answer
January is one of the best months to visit San Juan.
January is high season, and the third weekend brings the San Sebastián Street Festival to Old San Juan.
January in detail
What January actually feels like
- Weather
- 22–28°C
- Warm, breezy and fairly dry.
- Crowds
- High
- High season, with cruise ships most days.
- Prices
- $$$$
- Peak rates.
+The San Sebastián Street Festival.
–High season prices.
My tip for January
Book early if your trip overlaps the festival weekend.
- Festivals
- Beach
How January compares
Against the other eleven months
2nd of 12 overall in San Juan, 3rd for weather, 10th for space, 10th for value. The emptiest month is September; the best value is September.
See all twelve months for San JuanPlan around
What’s on in San Juan in January
- Cruise days
- Several ships can be in port at once. Old San Juan is busiest late morning to late afternoon.
- San Sebastián Street Festival
- One of the island's biggest parties. Expect huge crowds and closed streets in Old San Juan.
December–April
Third weekend of January
Not set on January?
Even stronger months in San Juan
Also good in January
Weather
Weather in San Juan in January
In January San Juan averages a high of 28°C (82°F) and a low of 22°C (72°F), with about 103 mm of rain or snow over 12 wet days. The warmest month is June (around 32°C) and the coolest is January (around 28°C); the wettest month is November.
- Average high
- 28°C
- 82°F
- Average low
- 22°C
- 72°F
- Precipitation
- 103 mm
- Wet days
- 12
Climate data: NOAA (Luis Muñoz Marín International Airport, 1991–2020). Temperatures are averages of daily highs and lows.
Quick answers
San Juan in January: the questions people ask
- Is January a good time to visit San Juan?
- January is one of the best months to visit San Juan. It ranks 2 of 12 months in San Juan overall (3 for weather, 10 for space, 10 for value). The main upside: The San Sebastián Street Festival. The main downside: High season prices.
- What is the weather like in San Juan in January?
- Average highs are around 28°C and lows around 22°C. Expect about 103 mm of rain or snow over roughly 12 wet days. Warm, breezy and fairly dry. For comparison, the warmest month is June (around 32°C) and the coolest is January (around 28°C).
- Is San Juan crowded in January?
- Crowds are high. High season, with cruise ships most days. The quietest month is September.
- How expensive is San Juan in January?
- Prices are at level 4 of 5 ($$$$). Peak rates. The best-value month is September.
- When is the best time to visit San Juan?
- In the CrowdFreeViews month scores, April is the best month overall (January ranks 2 of 12). The quietest month is September and the best value is September.
Ready to book January in San Juan?
The San Sebastián Street Festival.
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