9-Night Cruise on Crystal SerenityThe Americas & Caribbean Puntarenas To San Diego - Weather

The Crystal Serenity sails a 9-night The Americas & Caribbean Puntarenas To San Diego itinerary with Crystal Cruises, departing Puntarenas, Costa Rica on December 12, 2026. It's a classic Mexican Riviera cruise. Travelers sailing in December can generally expect warm, dry, and reliably sunny Pacific-coast weather. Ports of call include Puntarenas, Costa Rica, Playa Flamingo, Costa Rica, Acajutia, El Salvador, with 4 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Saturday, Dec 12, 2026 — Puntarenas, Costa Rica

   Puntarenas, Costa Rica is a scheduled port of call on day 1 of the 9-night The Americas & Caribbean Puntarenas To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 82°F.

2. Day 2 — Sunday, Dec 13, 2026 — Playa Flamingo, Costa Rica

   Playa Flamingo, Costa Rica is a scheduled port of call on day 2 of the 9-night The Americas & Caribbean Puntarenas To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 88°F.

3. Day 3 — Monday, Dec 14, 2026 — Acajutia, El Salvador

   Acajutia, El Salvador is a scheduled port of call on day 3 of the 9-night The Americas & Caribbean Puntarenas To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 83°F.

4. Day 4 — Tuesday, Dec 15, 2026 — At Sea

   Day 4 of 10 is a day at sea aboard Crystal Serenity, cruising between ports on the The Americas & Caribbean Puntarenas To San Diego itinerary.

5. Day 5 — Wednesday, Dec 16, 2026 — Zihuatanejo, Mexico

   Zihuatanejo, Mexico is a scheduled port of call on day 5 of the 9-night The Americas & Caribbean Puntarenas To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 88°F.

6. Day 6 — Thursday, Dec 17, 2026 — Manzanillo, Mexico

   Manzanillo, Mexico is a scheduled port of call on day 6 of the 9-night The Americas & Caribbean Puntarenas To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 83°F.

7. Day 7 — Friday, Dec 18, 2026 — Puerto Vallarta, Mexico

   Puerto Vallarta, Mexico is a scheduled port of call on day 7 of the 9-night The Americas & Caribbean Puntarenas To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 77°F.

8. Day 8 — Saturday, Dec 19, 2026 — At Sea

   Day 8 of 10 is a day at sea aboard Crystal Serenity, cruising between ports on the The Americas & Caribbean Puntarenas To San Diego itinerary.

9. Day 9 — Sunday, Dec 20, 2026 — At Sea

   Day 9 of 10 is a day at sea aboard Crystal Serenity, cruising between ports on the The Americas & Caribbean Puntarenas To San Diego itinerary.

10. Day 10 — Monday, Dec 21, 2026 — San Diego, California

    San Diego, California is a scheduled port of call on day 10 of the 9-night The Americas & Caribbean Puntarenas To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 62°F.