Is Cancún hot in December?
Days are typically warm at 28.5°C, while nights average 20°C.
Mexico · 1991–2020 normal
Cancún in
December.
Typical December weather in Cancún: 28.5°C by day, 20°C at night, 81 mm of rain over 6.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high28.5°C
Typical low20°C
Rain81 mm
Wet days6.8
In the year-round weather comparison, December scores 66 out of 100 (February leads the year at 69). Daylight is calculated as 10 h 51 from latitude 21.17°. Open-water sea temperature is 27.1°C (24 km from the place centre).
December at a glance
What is Cancún like in December?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 81 mm across about 7 wet days.
How much daylight is there?
There are about 10 h 51 between sunrise and sunset at mid-month, calculated from the place latitude.
Is December a good time to visit?
December ranks 3 of 12 in our weather comparison; February ranks first.
Event window
Warm sea in December
The nearest open-water NOAA OISST 1991–2020 cell averages 27.1°C in December. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 3531673
- NOAA station
- MXN00023155 · CANCUN
- Station distance
- 4.1 km from the place centre
- Coverage
- Good coverage · 21 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Cancún is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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