January weather forecast and climate
Cancún, Mexico

White buildings on the white sandy beach in sharp contrast of the clear blue waters on a beach in Cancún, Mexico
White buildings on the white sandy beach in sharp contrast of the clear blue waters on a beach in Cancún, Mexico
The dry season is on the move. The highs of 28°C (82.4°F) motivate people to experience chilly months for a great January getaway. Evenings cool to 21°C (69.8°F) merits long sleeves.
The downpour from the 7 rainy days is short and moderate, so expect 8 hours of sunshine for a fun time in Cancún. Test the heat of the blue water of 26°C (78.8°F) to rub off the humidity.

What is the coldest month in Cancún?

The coldest month in Cancún is January, with an average high-temperature of 28.3°C (82.9°F) and an average low-temperature of 19.8°C (67.6°F).

What is the temperature in January in Cancún?

In Cancún, in January, the average high-temperature is 28.3°C (82.9°F), and the average low-temperature is 19.8°C (67.6°F).

How much does it rain in Cancún in January?

In Cancún, in January, during 9.4 rainfall days, typically, 104.6mm (4.1") of precipitation is accumulated.

When is the sea coldest in Cancún?

With an average sea temperature of 25.6°C (78.1°F), January is the month with the coldest seawater in Cancún. For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the water temperature in January in Cancún?

In January, in Cancún, Mexico, the average sea temperature is 25.6°C (78.1°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.
Average temperature in January - Cancún, Mexico
  • Average high temperature in January: 28.3°C

The warmest month (with the highest average high temperature) is August (34.8°C).
The month with the lowest average high temperature is January (28.3°C).

  • Average low temperature in January: 19.8°C

The month with the highest average low temperature is July (24.8°C).
The coldest month (with the lowest average low temperature) is January (19.8°C).

Average rainfall in January - Cancún, Mexico
  • Average rainfall in January: 104.6mm

The wettest month (with the highest rainfall) is October (271.9mm).
The driest month (with the lowest rainfall) is April (41.2mm).

Average rainfall days in January - Cancún, Mexico
  • Average rainfall days in January: 9.4 days

The month with the highest number of rainy days is October (16.4 days).
The month with the lowest number of rainy days is April (4.1 days).

Average sea temperature in January - Cancún, Mexico
  • Average sea temperature in January: 25.6°C

The best month for swimming (with the highest average sea temperature) is August (29.4°C).
The coldest month (with the lowest average sea temperature) is January (25.6°C).

Average daylight in January / Average sunshine in January - Cancún, Mexico
  • Average daylight in January: 11h

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.9h).

  • Average sunshine in January: 6h

Months with most sunshine are March, April and May (Average sunshine: 8h).
Months with least sunshine are January, September, November and December (Average sunshine: 6).

Average UV index in January - Cancún, Mexico
  • Average UV index in January: 7

Months with the highest UV index are April, May, June, July and August (UV index 12).
Months with the lowest UV index are January and December (UV index 7).

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