Mexico City Weather in December
December in Mexico City brings pleasant temperatures, with daytime highs of 21°C (70°F) and nights around 6°C (43°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.
Rainfall in Mexico City in December
This is the driest month of the year. You can typically expect 2 days of rain this month, averaging around 14 mm (0.6 in). The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Mexico City in December
December tends to be one of the perfect months in Mexico City, with 21°C (70°F) in the afternoon and 6°C (43°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Mexico City in December
The city usually sees around 226 hours of sunlight, indicating many sunny days — a great month for sightseeing.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, October, November and December typically offer the best weather for Mexico City.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Mexico City's climate page.
Mexico City Temperature in December
Min Temperature
6°C (43°F)
Max Temperature
21°C (70°F)
Chance of Rain
8%
Precipitation
14 mm (0.6 in)
Rainy days
2 days
Humidity
54%
Sunshine
226 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mexico City typically stay consistent throughout December, with daily highs averaging around 21°C (70°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 7°C (45°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Mexico City in December
Browse day-by-day weather records for Mexico City spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mexico City historical weather extremes in December
Based on 49 years of weather observations in Mexico City between 1976 and 2025, these are the recorded extremes.
- On December 26, 2016, temperatures climbed to 30°C (86°F), marking the warmest December day on record.
- On December 4, 1979, Mexico City saw its coldest December day with temperatures maxing out at 11°C (52°F).
- The coldest night in December in Mexico City was on December 21, 2018, with a minimum of -7°C (19°F).
Best Places in Mexico in December
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in December →
perfect weather
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unpleasant
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What to Wear in Mexico City in December
For Mexico City in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Mexico City in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Mexico City's climate page.
Temperature Rainfall Sunshine Humidity
See the full Mexico City climate overview or explore weather in Mexico.
