Mexico City weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: October – May
What is the weather like in Mexico City in December?
In December, Mexico City is mild: daytime highs average 20 °C, and nights cool down to about 7 °C. Expect around 5 hours of sunshine a day. It hardly ever rains. All in all, December is an excellent month for a holiday in Mexico City.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 85 | 86 | 86 |
| Day | 20° | 20° | 20° |
| Night | 8° | 7° | 6° |
| Sun | 5 h | 5 h | 5 h |
| Rain days | 2 | 1 | 1 |
More details for December
- Daylight
- 10 h 58 min07:03 – 18:01
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 14 km/haverage daily peak
- Cloud cover
- 40 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC−6America/Mexico_City
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %32 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Mexico City in December: quick answers
Is Mexico City hot in December?
No. In December, Mexico City is mild: daytime highs average 20 °C and nights drop to about 7 °C.
Does it rain much in Mexico City in December?
It hardly ever rains.
Mexico City month by month
The whole year in Mexico CityAll destinations: MexicoWhere to go in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)