Mexico Cancún Weather in January — Climate Guide
January in Cancún is very-high
January is very-high for Cancún.
January is Cancún's dry season peak — 28°C highs, 21°C lows, 7 rainy days, 78% humidity, and crystal-clear Caribbean visibility for snorkeling (Isla Mujeres MUSA underwater museum, Cozumel reef diving, Cenote Dos Ojos). The trade-off is year-peak hotel pricing (+50-80% above shoulder), especially the first week (Christmas-NYE tail).
Beach conditions are at their best: minimal seaweed (sargassum is March-October phenomenon), water temperature 26°C swimmable, predictable trade winds. All-inclusive resorts run at full programming (kids clubs, beachfront DJs, evening shows).
Travel score
Dry season peak — best beach + snorkel weather of the year
January Weather at a Glance
January averages 82°F / 28°C highs and 70°F / 21°C lows with 7 rainy days and 100mm rainfall. Humidity 78%. UV index 9 (very high). Sunshine 8 hours daily. Sea temperature 26°C ideal for snorkeling. Trade winds 15-20 mph give natural cooling. Sunset 17:55 — golden hour 17:00-17:50 magical for beach photography.
January Travel Advice
Reef-safe sunscreen mandatory (chemical sunscreens banned at MUSA + Cenote Dos Ojos + cenotes generally). Pre-book Chichén Itzá day tour 1-2 weeks ahead — Klook discount 15-25% off walk-up. All-inclusive resort dining reservations 24-48 hours ahead at popular restaurants. Cash for taxi-mafia areas (Hotel Zone strict licensed-taxi pricing).
Flying In from Overseas
Peak winter escape from US East Coast, Canada, UK, Germany, Russia. Direct flights from NYC $300-500, Toronto $400-700, London $500-900, Madrid $600-1,000. Cozumel cruise port peaks January-March. Korean + Japanese inbound minimal (no direct service, $1,800-2,500 fares via LAX or DFW).
January Pricing Trends
Year-peak pricing: Hotel Zone all-inclusive 4-star $250-500/night per couple, 5-star Le Blanc + Hyatt Ziva $500-900, ultra-luxury Ritz-Carlton + Nizuc $700-1,500. Punta Mujeres Excellence + TRS adult-only $600-1,200. Downtown Centro hostel $30-80/night.
Cancún January Weather Stats
Avg High
28°C
Avg Low
21°C
Rainy Days
7
100mm total
Sunshine
8h
Daily avg
Humidity
78%
humid
UV Index
9
Very high
Wind
15 km/h
Gusts 28
Sea Temp
26°C
swimming-warm
Crowds
Very busy
At attractions
January Sunrise & Sunset
Air Quality
PM2.5
15 μg/m³
PM10
30 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
30°C
Nighttime
22°C
Humidity and wind affect how the actual temperature feels.
Wind
15 km/h
Max gust 28 km/h
Activities Recommended for January
January Travel Pros & Cons
Pros
- Dry season peak (best weather)
- Minimal sargassum + clearest water
- Chichén Itzá + Isla Mujeres tours reliable
- Full all-inclusive programming
Cons
- Year-peak hotel pricing (+50-80%)
- Reservation-heavy for top resorts
- Holiday tourist crush through Jan 6
January Events & Festivals
- Christmas-New Year peak through Jan 6
- Three Kings Day (Jan 6, Mexican holiday)
- European winter escape peak
Cancún in January — Full Picture
January is Cancún's dry season peak — 28°C highs, 21°C lows, 7 rainy days, 78% humidity, and crystal-clear Caribbean visibility for snorkeling (Isla Mujeres MUSA underwater museum, Cozumel reef diving, Cenote Dos Ojos). The trade-off is year-peak hotel pricing (+50-80% above shoulder), especially the first week (Christmas-NYE tail).
Beach conditions are at their best: minimal seaweed (sargassum is March-October phenomenon), water temperature 26°C swimmable, predictable trade winds. All-inclusive resorts run at full programming (kids clubs, beachfront DJs, evening shows).
Chichén Itzá day tours operate with 95% reliability; Isla Mujeres ferries reliable. Pre-book everything 4-6 weeks ahead.
What to Wear & What to Pack
Tropical perfect — T-shirt, shorts, swimwear, sandals. Light jacket only for over-AC restaurants + evening sea breeze. Reef-safe sunscreen SPF 50+ mandatory.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
31.7°C
23°C
5.3/mo
Summer (Jun·Jul·Aug)
33°C
25°C
9.7/mo
Autumn (Sep·Oct·Nov)
30.7°C
23.3°C
10.7/mo
Winter (Dec·Jan·Feb)
Current28.3°C
21°C
6.3/mo
Cancún Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 28° | 21° | 7d·100mm | 8h | 78% | 9 | Very busy | Peak |
| February (Best) | 29° | 21° | 5d·60mm | 9h | 76% | 10 | Very busy | Peak |
| March (Best) | 30° | 22° | 4d·50mm | 9h | 75% | 11 | Very busy | Peak |
| April (Best) | 32° | 23° | 4d·50mm | 10h | 75% | 11 | Busy | Peak |
| 33° | 24° | 8d·130mm | 9h | 76% | 12 | Moderate | Shoulder | |
| 33° | 25° | 10d·150mm | 8h | 80% | 12 | Moderate | Shoulder | |
| 33° | 25° | 9d·130mm | 9h | 80% | 12 | Busy | Peak | |
| 33° | 25° | 10d·140mm | 9h | 80% | 11 | Moderate | Shoulder | |
| 32° | 25° | 12d·200mm | 7h | 81% | 10 | Quiet | Low season | |
| 31° | 23° | 12d·200mm | 7h | 80% | 9 | Quiet | Low season | |
| November (Best) | 29° | 22° | 8d·100mm | 8h | 78% | 8 | Moderate | Shoulder |
| December (Best) | 28° | 21° | 7d·100mm | 7h | 78% | 8 | Very busy | Peak |
View Other Months
Cancún January Hotel Picks
Frequently Asked Questions
Is January a good time to visit Cancún?
Cancún in January is very-high. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Cancún in January?
Cancún January averages a high of 28°C and a low of 21°C.
Does it rain much in Cancún in January?
Cancún January averages 100mm of rainfall over about 7 rainy days.
What should I wear in Cancún in January?
Tropical perfect — T-shirt, shorts, swimwear, sandals. Light jacket only for over-AC restaurants + evening sea breeze. Reef-safe sunscreen SPF 50+ mandatory.
What time are sunrise and sunset in Cancún in January?
Cancún January sunrise is 06:30 and sunset is 17:55, with 11h 25min of daylight.
What's the air quality like in Cancún in January?
Cancún January air quality (AQI) averages 40, rated Good. PM2.5 averages 15μg/m³.
What activities are recommended in Cancún in January?
In January, Cancún is great for Hotel Zone beach + swimming, Chichén Itzá UNESCO day trip, Isla Mujeres ferry day trip.
Is January peak season in Cancún?
Cancún January crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Cancún
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.