How warm is Cancún in January?

Typical highs are about 80°F and the sea is about 80°F. That is warm enough for long swims without a wetsuit.

Is there sargassum in Cancún in January?

In a typical year seaweed is moderate in January. It is usually lightest in January and December and heaviest in July and August. Landings vary a lot by year, wind and currents; Veabird's weekly sargassum report and each beach's page have the current forecast.

Is January hurricane season in Cancún?

No. Storm risk is very low in January.

How crowded is Cancún in January?

Typically very busy, around New Year holiday and MLK weekend. The quietest months are usually September and October.

Cancún in January

January is a good month for Cancún: a typical day grades B, the 6th best of the 12 months. Expect highs near 80°F, water around 80°F and about a 45% chance of rain on a given day. Sargassum (seaweed) is usually moderate in January. Beaches are typically very busy (New Year holiday and MLK weekend).

Typical dayB6th of 12 months

Highs / water80°FSea 80°F

Rain chance45%on a given day

SeaweedModeratetypical year

CrowdsVery busyNew Year holiday

Storm riskVery lowoutside storm season

Cancún month by month

Typical grade and high for each month. Higher is better: A+ to F.

December: B · January: B · February: B. The best months are usually February, April and May, and the weakest are August and September.

Best beaches in Cancún in January

Resorts with the best typical January, and their grades for the next few days.

Beach	Typical Jan	Seaweed	This week
Holbox Island Hotels	A-	Very low	SatC+SunC+MonC-TueCWedC
Villas Flamingos	A-	Very low	SatC+SunC+MonC-TueCWedC
Villas Delphines	A-	Very low	SatC+SunC+MonC-TueCWedC
Xaloc Resort	A-	Very low	SatC+SunC+MonC-TueCWedC
Club Las Hamacas	A-	Very low	SatC+SunC+MonC-TueCWedC
Impression Isla Mujeres	B+	Low	SatCSunC+MonBTueB-WedC+
Bahia Tolok	B+	Low	SatC+SunB+MonB+TueB+WedA-
Selina Hotel Cancun Lagoon Zona Hotelera	B+	Low	SatCSunB-MonBTueB+WedB+

Grades for the next few days from Veabird's beach forecast, updated Oct 3, 18:00 UTC. Higher is better: A+ to F.

Better beach options in January

Elsewhere in Mexico, Huatulco (A), Puerto Vallarta (A) and the Yucatán Gulf Coast (A) usually grade higher in January. Further afield: Maui (A-), the Big Island (A-) and Oʻahu (A-). Every destination in January.

Questions

Is January a good time to visit Cancún?: January is a good month for Cancún: a typical day grades B, the 6th best of the 12 months. Expect highs near 80°F, water around 80°F and about a 45% chance of rain on a given day. Sargassum (seaweed) is usually moderate in January. Beaches are typically very busy (New Year holiday and MLK weekend).
How warm is Cancún in January?: Typical highs are about 80°F and the sea is about 80°F. That is warm enough for long swims without a wetsuit.
Is there sargassum in Cancún in January?: In a typical year seaweed is moderate in January. It is usually lightest in January and December and heaviest in July and August. Landings vary a lot by year, wind and currents; Veabird's weekly sargassum report and each beach's page have the current forecast.
Is January hurricane season in Cancún?: No. Storm risk is very low in January.
How crowded is Cancún in January?: Typically very busy, around New Year holiday and MLK weekend. The quietest months are usually September and October.

Plan it

Cancún & Isla Mujeres: this week's forecast, beach by beach
Mexico Beach Report: this week, updated every Monday
Compare dates and beaches on the map

Typical-month numbers from Veabird's year-ahead outlook for the 86 resorts here (median resort): 6 years of ERA5 climate normals, the seasonal pattern of the Atlantic sargassum belt, holiday crowd calendars and historical storm tracks. Any given year can differ; check the 16-day forecast before you go.