Puerto Rico in January
January is Puerto Rico's best month (rank 1 of 12): its 2 destinations average 87/100, led by Rincón at 93 — 28°C and 5 rainy days — while San Juan trails at 81 with 36 mm of rain.
#1 of 12 months for Puerto Rico · 2 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Puerto Rico in January
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Rincón | Beach | 28°C | 16 mm · 5 days | 93 tier S | Yes |
| 2 | San Juan | City | 30°C | 36 mm · 11 days | 81 tier A | Yes |
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 January 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 January
- Bioluminescent bay nights · San Juan · 1 Jan – 31 Dec
- Fiestas de la Calle San Sebastian · San Juan · 14–24 Jan (usually)
- The long Christmas season · San Juan · 19 Nov – 24 Jan
- Humpback whale season · Rincón · 1 Jan – 31 Mar
Seasons in force
Peak crowds at 1 of Puerto Rico's 1 well-known places this month.