
Plan Your Cruise With Free Weather Forecasts
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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 8 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.
Topolobampo, Mexico is a scheduled port of call on day 2 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.
Guaymas, Mexico is a scheduled port of call on day 3 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 4 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.
Isla Natividad, Mexico is a scheduled port of call on day 5 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 6 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.
Manzanillo, 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 82°F.
Puerto Vallarta, Mexico is a scheduled port of call on day 8 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 9 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 10 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.
San Diego, California is a scheduled port of call on day 11 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.
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