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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the BuzzLayer Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
December in Mexico delivers warm, dry weather across most resort zones, with coastal highs from 28°C to 32°C. The live forecast above shows current conditions for popular destinations such as Cancún, Puerto Vallarta and Cabo San Lucas.
What is the typical weather like in Cancún, Puerto Vallarta and Cabo in December?
Cancún and the Riviera Maya, including Tulum, see daytime highs near 29°C with low humidity and cooler evenings. Puerto Vallarta on the Pacific coast averages 30°C, while Cabo San Lucas in Baja California Sur reaches about 28°C. Night-time lows dip to 18–20°C, so a light jacket is handy for evening strolls. Ocean temperatures remain comfortable for swimming, typically 26–28°C.
Is Mexico hot in December?
Yes, but not oppressively so. The heat is pleasant and far milder than the summer rainy season. For those wondering “is mexico hot in december,” the answer is a comfortable warmth that makes beach activities ideal. Sea breezes keep things fresh along the coasts, and inland areas like Mexico City are cooler with highs around 22°C.
Does it rain a lot in Mexico in December?
No. December is part of the dry season for most of Mexico. The Pacific and Caribbean coasts average only two to five rainy days, and showers are usually brief. Cancún, Puerto Vallarta and Cabo all enjoy mostly sunny skies.
What should I pack for Mexico in December?
Lightweight clothing for the day, a sweater or jacket for cooler evenings, sunscreen, and a swimsuit. If you’re visiting inland cities like Mexico City, bring a warmer layer for nights that can drop to 7°C.
Is December a good time to visit Mexico?
December is one of the best months to visit Mexico. The weather is warm and dry, crowds are manageable before the holiday rush, and ocean conditions are excellent for swimming, snorkelling and diving.
Sources
For a broader look at Canadian travel conditions, visit our Canada weather hub. If you’re planning a trip to the Pacific coast, check the latest Puerto Vallarta weather page. For those comparing winter escapes, the weather warning section provides alerts for both Canada and popular destinations.