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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Crystal Serenity sails a 18-night The Americas & Caribbean San Diego To San Diego itinerary with Crystal Cruises, departing San Diego, California on December 21, 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 San Diego, California, Topolobampo, Mexico, Guaymas, Mexico, with 9 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.
San Diego, California is a scheduled port of call on day 1 of the 18-night The Americas & Caribbean San Diego To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 62°F.
Day 2 of 19 is a day at sea aboard Crystal Serenity, cruising between ports on the The Americas & Caribbean San Diego To San Diego itinerary.
Day 3 of 19 is a day at sea aboard Crystal Serenity, cruising between ports on the The Americas & Caribbean San Diego To San Diego itinerary.
Topolobampo, Mexico is a scheduled port of call on day 4 of the 18-night The Americas & Caribbean San Diego To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 72°F.
Day 5 of 19 is a day at sea aboard Crystal Serenity, cruising between ports on the The Americas & Caribbean San Diego To San Diego itinerary.
Guaymas, Mexico is a scheduled port of call on day 6 of the 18-night The Americas & Caribbean San Diego To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 70°F.
La Paz, Mexico is a scheduled port of call on day 7 of the 18-night The Americas & Caribbean San Diego To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 73°F.
Day 8 of 19 is a day at sea aboard Crystal Serenity, cruising between ports on the The Americas & Caribbean San Diego To San Diego itinerary.
Isla Natividad, Mexico is a scheduled port of call on day 9 of the 18-night The Americas & Caribbean San Diego To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 64°F.
San Diego, California is a scheduled port of call on day 10 of the 18-night The Americas & Caribbean San Diego To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 61°F.
Day 11 of 19 is a day at sea aboard Crystal Serenity, cruising between ports on the The Americas & Caribbean San Diego To San Diego itinerary.
Day 12 of 19 is a day at sea aboard Crystal Serenity, cruising between ports on the The Americas & Caribbean San Diego To San Diego itinerary.
Manzanillo, Mexico is a scheduled port of call on day 13 of the 18-night The Americas & Caribbean San Diego To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 82°F.
Puerto Vallarta, Mexico is a scheduled port of call on day 14 of the 18-night The Americas & Caribbean San Diego To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 76°F.
Mazatlan, Mexico is a scheduled port of call on day 15 of the 18-night The Americas & Caribbean San Diego To San Diego cruise on Crystal Serenity. Expected weather: partially cloudy with highs near 75°F.
Cabo San Lucas, Mexico is a scheduled port of call on day 16 of the 18-night The Americas & Caribbean San Diego To San Diego cruise on Crystal Serenity.
Cabo San Lucas, Mexico is a scheduled port of call on day 17 of the 18-night The Americas & Caribbean San Diego To San Diego cruise on Crystal Serenity.
Day 18 of 19 is a day at sea aboard Crystal Serenity, cruising between ports on the The Americas & Caribbean San Diego To San Diego itinerary.
San Diego, California is a scheduled port of call on day 19 of the 18-night The Americas & Caribbean San Diego To San Diego cruise on Crystal Serenity.
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