Weather in Cancun in December

In December, Cancun experiences pleasant weather characterised by warm temperatures, moderate humidity, and ample sunshine. The conditions are generally comfortable for outdoor activities, with occasional rainfall providing brief interruptions. This makes it an excellent time for travellers to explore the natural beauty and attractions of the region.

December Climate Overview

• Average Temperature: 20°C – 28°C
• Rainfall: Approximately 70 mm
• Sunshine Hours: 8 hours per day
• Sea Temperature: 27°C
• Humidity: Moderate at 78%
• Wind Speed: 13 km/h

What to Expect in December

Daytime Conditions

During the day, Cancun’s temperatures can climb to a comfortable high of around 28°C. With plentiful sunshine and relatively moderate humidity, the days feel pleasantly warm, perfect for beach time or sightseeing. The sun’s heat can be strong, so adequate protection is recommended.

Rainfall Patterns

Rainfall in December is generally low, with a few scattered showers. These are often short and refreshing, rarely affecting travel plans for long periods. It’s advised to carry a light rain jacket or umbrella just in case.

Evening Conditions

Nights cool down to a mild 20°C, making evenings comfortable for dining out or strolls along the promenade. A light jacket or sweater might be needed for those who prefer warmer conditions. The gentle breeze adds to the overall evening comfort.

Best Activities in Cancun in December

• Outdoor Activities: Ideal conditions for exploring ancient sites, visiting nature reserves, and enjoying outdoor markets.
• Seasonal Highlights: December often features various local cultural events, which can provide insight into regional traditions.
• Water-based or Nature-based Activities: With warm sea temperatures, snorkelling and diving are highly recommended.

What to Pack for December

• Light, breathable clothing for daytime warmth and a light jumper for cooler evenings
• Sun protection essentials such as a wide-brimmed hat, sunglasses, and sunscreen
• An umbrella or rain jacket for sudden showers
• Comfortable shoes suitable for walking and exploring
• Reusable water bottle to stay hydrated