How warm is it in Cancún in December?

Daytime highs averaged 27.4 °C, night-time lows 23.6 °C. The highest value of the past 10 years was 30.4 °C (6 Dec 2016), the lowest 18.0 °C (22 Dec 2018).

How often does it rain in Cancún in December?

On average there were 13.4 rain days (at least 1 mm) with 89.8 mm of precipitation in total.

🇲🇽 Weather in Cancún in December

This is what the weather in Cancún (Mexico) was like in December in 2016–2025.

Key facts at a glance

Prevailing weather: Light rain

Avg. daytime high

27.4 °C

25.9 °C – 29.0 °C

Avg. night-time low

23.6 °C

22.5 °C – 24.8 °C

Avg. rain days in period

13.4

43 % of days · ≥ 1.0 mm

Avg. precipitation in period

89.8 mm

46.9 mm – 124 mm

Avg. cloud cover

53 %

This data source has no sunshine hours – average cloud cover shown instead.

Avg. sea temperature

–

Sea temperature unavailable for today (daily limit).

Extremes: Highest temperature 30.4 °C (6 Dec 2016) · Lowest temperature 18.0 °C (22 Dec 2018) · Avg. daily peak wind 15 km/h

Weather mix of all days

60Sunny
79Partly cloudy
37Cloudy
89Light rain
45Rain

Summary

On average 27.4 °C during the day and 23.6 °C at night.
On average 13.4 rain days (Rain day = at least 1.0 mm of precipitation) with 89.8 mm of precipitation in total.
Prevailing: Light rain.
Warmest year: 2016 (avg. 29.0 °C), coolest: 2020 (avg. 25.9 °C).
Wettest year: 2023 (124 mm), driest: 2017 (46.9 mm).
Extremes: 30.4 °C on 6 Dec 2016 and 18.0 °C on 22 Dec 2018.

Overall values from all 10 years. How is this calculated?

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

2025
Avg. max28.3°Avg. min24.1°
Rain days
18 Rain days
Precipitation
99.5 mm
Avg. cloud cover
53 % cloudy
Sea temperature
–
Max 29.9 °C · Min 20.4 °C
2024
Avg. max26.6°Avg. min23.4°
Rain days
15 Rain days
Precipitation
91.6 mm
Avg. cloud cover
67 % cloudy
Sea temperature
–
Max 27.9 °C · Min 21.1 °C
2023
Avg. max26.7°Avg. min23.6°
Rain days
14 Rain days
Precipitation
124 mm
Avg. cloud cover
72 % cloudy
Sea temperature
–
Max 29.3 °C · Min 20.2 °C
2022
Avg. max28.1°Avg. min24.2°
Rain days
16 Rain days
Precipitation
111 mm
Avg. cloud cover
50 % cloudy
Sea temperature
–
Max 30.0 °C · Min 21.3 °C
2021
Avg. max27.5°Avg. min24.1°
Rain days
12 Rain days
Precipitation
99.3 mm
Avg. cloud cover
43 % cloudy
Sea temperature
–
Max 29.0 °C · Min 20.2 °C
2020
Avg. max25.9°Avg. min22.5°
Rain days
15 Rain days
Precipitation
111 mm
Avg. cloud cover
61 % cloudy
Sea temperature
–
Max 27.7 °C · Min 19.8 °C
2019
Avg. max27.4°Avg. min22.9°
Rain days
9 Rain days
Precipitation
86.7 mm
Avg. cloud cover
48 % cloudy
Sea temperature
–
Max 29.2 °C · Min 19.7 °C
2018
Avg. max27.8°Avg. min23.3°
Rain days
14 Rain days
Precipitation
81.5 mm
Avg. cloud cover
64 % cloudy
Sea temperature
–
Max 30.1 °C · Min 18.0 °C
2017
Avg. max26.7°Avg. min23.0°
Rain days
9 Rain days
Precipitation
46.9 mm
Avg. cloud cover
39 % cloudy
Sea temperature
–
Max 28.0 °C · Min 20.0 °C
2016
Avg. max29.0°Avg. min24.8°
Rain days
12 Rain days
Precipitation
47.5 mm
Avg. cloud cover
38 % cloudy
Sea temperature
–
Max 30.4 °C · Min 23.2 °C

Frequently asked questions

How warm is it in Cancún in December?: Daytime highs averaged 27.4 °C, night-time lows 23.6 °C. The highest value of the past 10 years was 30.4 °C (6 Dec 2016), the lowest 18.0 °C (22 Dec 2018).
How often does it rain in Cancún in December?: On average there were 13.4 rain days (at least 1 mm) with 89.8 mm of precipitation in total.

Check your exact travel dates

Choose your travel period – we show the weather for exactly those days.

Data sources

Weather data: Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains.
Sea temperature: MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis)
Place search: Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)