Book Excursions in Advance
December is a popular month, so secure your spots for popular tours to Chichen Itza, Xcaret, or Isla Mujeres ahead of time.
Get your personalized Cancun list
We'll tune the list to your exact trip — dates, activities, and weather.
Weather in Cancun in December
Cancun in December boasts delightful weather, with average high temperatures around 82°F (28°C) and lows rarely dipping below 70°F (21°C). Rainfall is significantly lower than in previous months, with only about 2 inches of precipitation expected, usually in short, refreshing bursts. Humidity remains relatively high, around 75-80%, but trade winds provide a welcome breeze. You can expect plenty of sunshine, with approximately 11 hours of daylight to enjoy all the activities.
What to wear in Cancun in December
Think light and breezy for your Cancun December wardrobe! Casual beachwear, shorts, t-shirts, and sundresses will be your go-to during the day. For evenings, smart casual attire is perfect for dinners out; think linen shirts for men and stylish sundresses or skirts for women. While Cancun is a resort town, it's always a good idea to pack something a bit more modest if you plan to visit any local towns or religious sites.
Essentials for Cancun in December
Reef-Safe Sunscreen
Protect your skin from the strong Caribbean sun while also safeguarding Cancun's delicate coral reefs.
Lightweight, Long-Sleeved Shirt
Offers sun protection during the day and a light cover-up for cooler evenings or air-conditioned interiors.
Waterproof Phone Pouch
Keep your phone safe and dry while enjoying water activities like snorkeling, swimming, or cenote exploration.
Insect Repellent with DEET
Despite December being a drier month, mosquitoes can still be present, especially around dawn and dusk.
Insulated Water Bottle
Stay hydrated in the tropical heat by keeping your water cool on the beach or during excursions.
Quick-Dry Towel
Perfect for beach days, pool time, and excursions, as it dries quickly and takes up less space than a traditional towel.
Aloe Vera Gel
Sooth any accidental sunburns after a long day in the sun.
After-Sun Lotion
Hydrate and extend your tan in the evening after sun exposure.
Small Backpack or Beach Bag
Ideal for carrying your essentials to the beach, pool, or on day trips.
Motion Sickness Medication
If you plan on boat tours or catamaran trips, it's wise to be prepared.
Pro tips
Stay Hydrated
The high humidity and sun can lead to dehydration, so drink plenty of water throughout the day, even if you don't feel thirsty.
Protect Against the Sun
Even on cloudy days, the UV index can be high. Apply and reapply sunscreen, wear a hat, and seek shade during peak sun hours (11 AM - 3 PM).
Embrace the Resort Casual Vibe
While some fine dining establishments might have a dress code, most of Cancun is laid-back. Comfort and breathability are key.
Carry Small Bills for Tips
Tipping is customary in Mexico for many services, and having small denominations (pesos or dollars) is always appreciated for bellhops, porters, and tour guides.
Frequently asked
What is the water temperature like in Cancun in December?
The Caribbean Sea in Cancun in December is wonderfully warm, typically ranging from 79-82°F (26-28°C), making it perfect for swimming, snorkeling, and other water sports.
Is Cancun crowded in December?
Yes, December is a very popular time to visit Cancun, especially towards the end of the month leading up to Christmas and New Year's. Expect higher prices and more crowds, so booking accommodations and activities in advance is highly recommended.
Are hurricanes a concern in December in Cancun?
No, hurricane season officially ends on November 30th. While unpredictable weather can always occur, the risk of hurricanes in December is extremely low, making it one of the safest times to visit regards to tropical storms.
What's the nightlife like in Cancun in December?
Cancun's nightlife is in full swing in December, with a vibrant energy especially as the holidays approach. Expect lively clubs, bars, and beach parties, catering to a festive atmosphere.
Can I drink the tap water in Cancun?
It's generally not recommended to drink tap water in Cancun. Stick to bottled water, which is widely available in hotels, restaurants, and stores, to avoid any potential stomach issues.
Are there any special events or holidays in December in Cancun?
December is a festive month! You'll find many resorts and local areas celebrating Christmas and New Year's Eve with special dinners, events, and fireworks. Keep an eye out for traditional Posadas celebrations in early December as well.