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Cancún Weather in January
Cancún in January averages 27°C (81°F) during the day and 23°C (73°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Cancún in January
Historically, the month has about 6 days of rain, averaging 73 mm (2.9 in) in total. Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in Cancún in January
January is one of the better months to visit Cancún. Expect 27°C (81°F) during the day and 23°C (73°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. At 23°C (73°F) overnight, nights are warm enough to sit outside comfortably in light clothing. While slightly cooler, this month still offers warm and pleasant weather.
Sunshine in Cancún in January
The city usually sees around 216 hours of sunlight, indicating many sunny days , a great month for sightseeing.
Average water temperature in January
With water at 26°C (79°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period, it feels comfortable straight away.If you're inclined towards comfortable temperatures and drier conditions, January is a good time to visit Cancún.
Cancún Temperature in January
Min Temperature
23°C (73°F)
Max Temperature
27°C (81°F)
Water Temperature
26°C (79°F)
Chance of Rain
19%
Precipitation
73 mm (2.9 in)
Rainy days
6 days
Sunshine
216 hours
Percentage Sunshine
Cancún Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cancún - and find the best time to visit.
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Cancún typically stay consistent throughout January, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in January
Historical weather records for Cancún in January
Browse day-by-day weather records for Cancún spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cancún historical weather extremes in January
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Cancún.
- The hottest January day on record in Cancún reached 35°C (95°F) (January 5, 1977).
- On January 27, 1986, Cancún saw its coldest January day with temperatures maxing out at 18°C (64°F).
- The coldest night in January in Cancún was on January 9, 2002, with a minimum of 7°C (45°F).
Best Places in Mexico in January
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in January →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Cancún in January
Warm but pleasant conditions in Cancún in January. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. The water temperature sits at about 26°C (79°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Cancún in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Cancún 3-Day Forecast
More climate data for Cancún
Temperature Rainfall Sunshine Water Temp
See the full Cancún climate overview or explore weather in Mexico.
Popular in January
Where to go in January - average daytime high across popular destinations.
Playa del Carmen
27°C (81°F) Tulum27°C (81°F) Puerto Vallarta
26°C (79°F) Cancún27°C (81°F) Los Cabos26°C (79°F) Mexico City21°C (70°F) Puerto Peñasco20°C (68°F) Bucket list
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