What is the weather like in Cancun in December?

December in Cancun is characterised by beautiful, dry, and breezy weather, making it a popular time for visitors seeking an escape from colder climates.

Short answer

December in Cancun brings delightful weather, typically dry, warm, and breezy, with average daytime temperatures around 28°C. Evenings are cooler, dropping to about 20°C. While mostly sunny, be prepared for occasional 'nortes' which can introduce strong winds and a slight chill for a day or two.

December in Cancun is widely considered one of the best times to visit, offering a near-perfect escape from winter. You can expect consistently warm, dry, and sunny days, ideal for enjoying the beaches and outdoor activities without the intense humidity of summer or the heavier rainfall of autumn. The gentle sea breezes are a welcome feature, keeping the temperatures comfortable even during the midday sun. However, it is important to be aware that this desirable weather coincides with peak tourist season, particularly around the Christmas and New Year holidays. This means higher prices for flights and accommodation, and more crowded attractions. Planning ahead is crucial if you intend to visit during this popular month, ensuring you secure your preferred options and budget effectively for the increased demand.

Average Daytime Temperature: 28°C
Average Night-time Temperature: 20°C
Average Monthly Rainfall: 50-70 mm
Average Sunny Days: 20-25 days
Sea Temperature: 26-27°C
Humidity: 70-75%
Wind Speed: 15-25 km/h

Glorious Dry Days and Comfortable Warmth

December truly shines with its dry and warm weather, a stark contrast to the humidity and rainier periods of earlier months. You will find average daytime temperatures comfortably sitting around 28°C, often peaking slightly higher in the mid-afternoon. The humidity drops significantly compared to the summer, making the air feel much fresher and more pleasant for all your outdoor activities. Expect long stretches of sunshine, perfect for lounging on the white sand beaches or exploring ancient Mayan ruins. Rainfall is minimal, typically occurring in short, isolated showers that quickly pass, leaving clear skies in their wake. This consistent warmth and dryness are precisely why so many visitors flock to Cancun during this month, seeking a reliable dose of tropical sunshine without the oppressive heat.

Cooler Evenings and Breezy Conditions

While days are wonderfully warm, December evenings in Cancun bring a noticeable drop in temperature, making them refreshingly cool. Night-time lows average around 20°C, which can feel quite chilly after a hot day, especially if you are dining outdoors or strolling along the beach. It is not uncommon for a light jacket, cardigan, or a long-sleeved shirt to be necessary once the sun sets. The persistent sea breeze, a delightful feature during the day, can also make evenings feel cooler. This breeze is generally gentle, providing a constant, refreshing current of air that prevents the climate from ever feeling stagnant. It is a key element of December's charm, contributing to the overall comfort of your stay both day and night.

Understanding the 'Nortes' Phenomenon

A unique weather pattern to be aware of in December is the occasional 'norte'. These are cold fronts that push down from the north, bringing with them stronger winds, slightly cooler temperatures, and sometimes a day or two of overcast skies or light rain. While they typically do not last long, perhaps 24 to 48 hours, a 'norte' can make the air feel quite brisk, especially if you are unprepared. The wind can pick up significantly, making beach activities less comfortable and potentially causing rougher seas. While not a frequent occurrence, it is wise to check the local forecast a few days before your trip and during your stay, just in case one is predicted. Do not let it deter you, though; these are usually brief interruptions to otherwise glorious weather.

Sea Temperatures and Water Activities

The Caribbean Sea remains wonderfully inviting in December, with average water temperatures hovering between 26°C and 27°C. This is perfectly warm for swimming, snorkelling, diving, and all other water-based adventures. Even on days following a 'norte', the sea temperature typically remains comfortable, though the air temperature might make getting in and out feel a little cooler. The calm, clear waters that Cancun is famous for are generally at their best during this dry season, offering excellent visibility for underwater exploration. Whether you plan to explore the vibrant coral reefs, swim with turtles, or simply float in the shallows, the sea will be a highlight of your December visit.

Christmas and New Year: Peak Season Pricing

December, especially the latter half, marks the absolute peak of Cancun's tourist season. This is particularly true for the weeks leading up to and immediately following Christmas and New Year's Day. Expect significantly higher prices across the board. Flights can be double or even triple the cost of off-peak months, and hotel rates in the Hotel Zone often jump by 50% to 100% or more. Restaurants, tours, and excursions may also implement holiday surcharges. Booking well in advance, ideally 6 to 9 months ahead, is not just recommended but essential if you plan to travel during this period. Without early booking, you risk limited availability and exorbitant last-minute prices, making a spontaneous holiday very challenging and expensive.

What to Pack: Layers are Your Best Friend

Given the variations between warm days and cool evenings, and the possibility of a 'norte', packing layers is the smartest approach for a December trip to Cancun. For daytime, light and breathable clothing such as shorts, t-shirts, sundresses, and swimwear are perfect. Do not forget a wide-brimmed hat, sunglasses, and high-SPF sunscreen. For the evenings, you will definitely want to pack a light jacket, a cardigan, or a long-sleeved top. Trousers or longer skirts will also be more comfortable than shorts after sunset. If you plan any slightly more formal dining, a smart casual outfit would be appropriate. Comfortable walking shoes are a must for exploring, alongside your flip-flops for the beach. An umbrella or light rain jacket is a good idea, just in case of a brief shower.

Crowds and Planning Your Activities

As a peak season month, December means Cancun will be bustling. Beaches, popular attractions like Xcaret or Chichen Itza, and even local restaurants will experience higher visitor numbers. This means longer queues, more crowded spaces, and a need for patience. To make the most of your trip, consider booking popular tours and excursions in advance, especially if you have specific dates or times in mind. Arriving early at attractions can help you beat some of the crowds. If you prefer a quieter experience, consider visiting some of the lesser-known cenotes or exploring areas slightly outside the main Hotel Zone. Embrace the festive atmosphere, but be prepared for a lively and energetic Cancun experience.

Worth knowing

-Book flights and accommodation at least 6 months in advance for Christmas/New Year.
-Pack a light jacket or cardigan for cooler evenings and potential 'nortes'.
-Bring high-SPF sunscreen, a hat, and sunglasses; the sun is strong even in winter.
-Stay hydrated by drinking plenty of water throughout the day.
-Check the local forecast for 'nortes' a few days before and during your stay.
-Make restaurant reservations, especially for popular spots during holiday periods.
-Consider travel insurance to cover any unexpected changes or delays.
-Carry some smaller denomination pesos for tips and local purchases.

Follow-up questions

Is December a good time to visit Cancun?

Yes, December is one of the best times to visit Cancun due to its consistently warm, dry, and sunny weather. While it is peak season with higher prices and more crowds, the pleasant climate makes it highly desirable for a winter escape.

What is the average temperature in Cancun in December?

The average daytime temperature in Cancun in December is around 28°C, with evenings cooling down to about 20°C. The sea temperature is a comfortable 26-27°C, perfect for swimming and water sports.

Does it rain much in Cancun in December?

No, December is part of Cancun's dry season. While brief, isolated showers can occur, significant rainfall is uncommon. You can expect many sunny days, making it ideal for outdoor activities.

What are 'nortes' and how do they affect December weather?

'Nortes' are cold fronts that bring stronger winds, slightly cooler temperatures, and sometimes overcast skies for a day or two. They are usually brief interruptions to the otherwise pleasant December weather.

Is Cancun crowded in December?

Yes, December is peak tourist season, especially around Christmas and New Year. Expect beaches, attractions, and restaurants to be busy. Booking tours and accommodation well in advance is highly recommended.

What should I wear in Cancun in December?

Pack light, breathable clothing for warm days, such as shorts and swimwear. For cooler evenings and potential 'nortes', bring a light jacket, cardigan, or long-sleeved top. Layers are key for comfort.

Are prices higher in Cancun in December?

Yes, prices for flights, hotels, and some tours are significantly higher in December, particularly during the holiday weeks. This is due to the high demand during peak season. Budget accordingly and book early.