SeasonMapPuerto Rico in December
December is Puerto Rico's 4th-best month (rank 4 of 12): its 2 destinations average 83/100, led by Rincón at 92 — 33°C and 3 rainy days — while San Juan trails at 73 with 80 mm of rain.
#4 of 12 months for Puerto Rico · 2 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Puerto Rico in December
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Rincón | Beach | 33°C | 31 mm · 3 days | 92 tier S | Yes |
| 2 | San Juan | City | 32°C | 80 mm · 12 days | 73 tier B | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means December is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Puerto Rico in December
- Bioluminescent bay nights · San Juan · 1 Jan – 31 Dec
- The long Christmas season · San Juan · 19 Nov – 24 Jan
Seasons in force
Peak crowds at 1 of Puerto Rico's 1 well-known places this month.