San Juan in December
Holiday season
By Daan · Last reviewed October 2026
The short answer
December is a reasonable month in San Juan — with trade-offs.
December starts Puerto Rico's long holiday season, with music, lights and parties that run into January.
December in detail
What December actually feels like
- Weather
- 23–29°C
- Warm, with showers easing.
- Crowds
- High
- Busy from mid-December.
- Prices
- $$$$
- High rates over the holidays.
+A long, festive holiday season.
–Busy and expensive later in the month.
My tip for December
Early December has holiday spirit with lower prices.
- Holidays
- Festive
How December compares
Against the other eleven months
7th of 12 overall in San Juan, 5th for weather, 12th for space, 12th 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 December
- Cruise days
- Several ships can be in port at once. Old San Juan is busiest late morning to late afternoon.
December–April
Not set on December?
Even stronger months in San Juan
Also good in December
Weather
Weather in San Juan in December
In December San Juan averages a high of 29°C (84°F) and a low of 23°C (73°F), with about 123 mm of rain or snow over 13 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
- 29°C
- 84°F
- Average low
- 23°C
- 73°F
- Precipitation
- 123 mm
- Wet days
- 13
Climate data: NOAA (Luis Muñoz Marín International Airport, 1991–2020). Temperatures are averages of daily highs and lows.
Quick answers
San Juan in December: the questions people ask
- Is December a good time to visit San Juan?
- December is a reasonable month in San Juan — with trade-offs. It ranks 7 of 12 months in San Juan overall (5 for weather, 12 for space, 12 for value). The main upside: A long, festive holiday season. The main downside: Busy and expensive later in the month.
- What is the weather like in San Juan in December?
- Average highs are around 29°C and lows around 23°C. Expect about 123 mm of rain or snow over roughly 13 wet days. Warm, with showers easing. For comparison, the warmest month is June (around 32°C) and the coolest is January (around 28°C).
- Is San Juan crowded in December?
- Crowds are high. Busy from mid-December. The quietest month is September.
- How expensive is San Juan in December?
- Prices are at level 4 of 5 ($$$$). High rates over the holidays. 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 (December ranks 7 of 12). The quietest month is September and the best value is September.
Ready to book December in San Juan?
A long, festive holiday season.
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