December 31 is generally a great time to visit Cancún. While there is a slight chance of rain (19%), showers are usually brief. Expect comfortable 26°C weather. Expect a bustling atmosphere in Cancún right now—this is when the city truly comes alive with visitors.
View the full calendar
Essential Travel Info for Cancún
Currency
MXN
$ Mexican peso
Language
Spanish
Driving
Right side
Connect
High-speed wireless internet (5G) is wid...
Safety
Travel Precautions
GPI: 2.612
Cancún Weather Forecast for December 31
"Warm & Sunny. Expect average highs of 26.3°C. 19% chance of rain."
What to Wear in Cancún in December
Based on historical data for December 31, Cancún typically experiences temperatures between 22.7°C and 26.3°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (19% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Cancún
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
26.3°C
Daytime Peak
Average Low
22.7°C
Nighttime Low
Feels Like
27.4°C
☀️ Minor difference
Rain Chance
19%
Avg 0.9mm if it rains
Cloud Cover
48%
Light drizzle
Pressure
1017 hPa
Low volatility
Cancún Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 75% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
21.7°C
Humid/Sticky
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Mexico
Flight Traffic
High
83/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~243
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Cancún
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:25
☀️ Noon
12:51
🌇 Sunset
18:17
⏱️ Daylight
10h 51m
Wind Speed
18.7 km/h
Gentle breeze
Sunshine
9.2 hrs
Direct Sun (Cloud-free)
Humidity
76%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Cancún
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Cancún
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
Atlantic Hurricane Risk
Season: Jun - Nov
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Cancún on December 31 averages 26.3°C with a 19% precipitation probability. Wedding/Outdoor Event Score: 96/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Cancún Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
January 1
26.4°C • 14% rain
Score
100
January 2
26.2°C • 13% rain
Score
100
January 3
26°C • 16% rain
Score
99
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Cancún Worth Visiting on December 31?
Planning a trip to Cancún on December 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 26.3°C with a 19% historical precipitation risk.
✈️ Travel Logistics: Approximately 243 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 9 vaccinations are recommended for Mexico, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 26.9°C (tropical bath). Wave conditions are generally surfers only with heights around 1.23m.
📊 Historical Extremes: The hottest December 31 recorded in the last 30 years saw temperatures hit 28.5°C in 2024, while the coldest dropped to 16.1°C in 2023.