Mexico City
Mexico
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Mexico City, Mexico

A tower holding the golden sculpture of the historical Angel of Independence in a roundabout in Mexico City, Mexico, with the city buildings
A tower holding the golden sculpture of the historical Angel of Independence in a roundabout in Mexico City, Mexico, with the city buildings
The first month of the winter, December, is also an agreeable month in Mexico City, Mexico, with average temperature fluctuating between 8.1°C (46.6°F) and 21.9°C (71.4°F).

Temperature

In December, the average high-temperature is relatively the same as in November - a still pleasant 21.9°C (71.4°F). In Mexico City, the average low-temperature is 8.1°C (46.6°F).

Humidity

In December, the average relative humidity in Mexico City is 54%.

Rainfall

In Mexico City, during 2 rainfall days, 8.2mm (0.3") of precipitation is typically accumulated. Throughout the year, in Mexico City, Mexico, there are 124.9 rainfall days, and 846.2mm (33.3") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 11h of daylight.

Sunshine

In December, the average sunshine in Mexico City is 7.6h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 8. A UV Index reading of 8 to 10 represents a very high health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: In December, the average maximum UV index of 8 translate into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in December in Mexico City?

In December, in Mexico City, Mexico, the average high-temperature is 21.9°C (71.4°F), and the average low-temperature is 8.1°C (46.6°F).

What is the average humidity in December in Mexico City?

In Mexico City, the average relative humidity in December is 54%.

How many days does it rain in December in Mexico City?

In Mexico City, in December, during 2 rainfall days, 8.2mm (0.3") of precipitation is typically accumulated.

What is the month with the shortest days in Mexico City?

The month with the shortest days in Mexico City, Mexico, is December, with an average of 11h of daylight.

What is the average length of the day in December in Mexico City?

In Mexico City, Mexico, the average length of the day in December is 11h.

How long on average sun shines in December in Mexico City?

In December, the average sunshine in Mexico City, Mexico, is 7.6h.

What is the month with the lowest UV index in Mexico City?

With an average maximum UV index of 8, December is the month with the lowest UV index in Mexico City.

What is the UV index reading in December in Mexico City?

In Mexico City, Mexico, the average daily maximum UV index in December is 8. A UV Index value of 8 to 10 symbolizes a very high health threat from unprotected exposure to the UV radiation.
Average temperature in December - Mexico City, Mexico
  • Average high temperature in December: 21.9°C

Warmest months (with the highest average high temperature) are April and May (26.8°C).
The month with the lowest average high temperature is January (21.7°C).

  • Average low temperature in December: 8.1°C

The month with the highest average low temperature is June (13.5°C).
The coldest month (with the lowest average low temperature) is January (7.4°C).

Average humidity in December - Mexico City, Mexico
  • Average humidity in December: 54%

The month with the highest relative humidity is September (70%).
The month with the lowest relative humidity is March (41%).

Average rainfall in December - Mexico City, Mexico
  • Average rainfall in December: 8.2mm

The wettest month (with the highest rainfall) is July (189.5mm).
The driest month (with the lowest rainfall) is February (7mm).

Average rainfall days in December - Mexico City, Mexico
  • Average rainfall days in December: 2 days

The month with the highest number of rainy days is July (23.2 days).
The month with the lowest number of rainy days is December (2 days).

Average daylight in December / Average sunshine in December - Mexico City, Mexico
  • Average daylight in December: 11h

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 11h).

  • Average sunshine in December: 7.6h

The month with most sunshine is March (Average sunshine: 8.6h).
The month with least sunshine is September (Average sunshine: 5.2h).

Average UV index in December - Mexico City, Mexico
  • Average UV index in December: 8

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).