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🚢 Cruise · Caribbean high season (Dec–Apr)

What to wear on a cruise in January

By PackTheLook · Updated 28 October 2026

Highs28°C (82°F)
Lows22°C (72°F)
Rainy days~12
Daylight11 h
CrowdsPeak season

January averages for San Juan, Puerto Rico (Caribbean). Source

January is peak Caribbean cruise season — dry, sunny and 28°C — and popular for escaping winter. Pack pool and port outfits for warm weather, a light jacket for windy decks and formal-night wear.

☀️ By day

Caribbean: swimwear, linen and sandals.

🌙 Evening

An elegant-night outfit, plus a wrap for deck breezes.

What's on in January

Typical dates. Many festivals follow lunar calendars, so check this year's dates before you book.

San Sebastián Street Festival, San Juan

Mid to late January

Old San Juan's huge street party. If your cruise calls there, wear comfortable shoes and light clothes, and carry a crossbody bag.

January packing essentials

Your January outfit list

Also pack

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Dress code

  • Formal/elegant nights (usually 1–2 per week): cocktail dress or smart outfit for women, suit or dress shirt and trousers for men.
  • Main dining rooms ask for no swimwear, tank tops for men or flip-flops at dinner.
  • Cover up when walking through the ship from the pool.

Full dress code, activities and common mistakes →

Good weather elsewhere in January

All destinations →