December weather forecast
Mexico City, Mexico

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A tower holding the golden sculpture of the historical Angel of Independence in a roundabout in Mexico City, Mexico
A tower holding the golden sculpture of the historical Angel of Independence in a roundabout in Mexico City, Mexico

Weather in December

December wraps up the year with a crisp, mild winter feel in Mexico City. The short days combine with ample sunshine to form a pleasantly cool weather phase. Vastly contrasting the rainy season, December receives the year's lowest rainfall, a near insignificantly small 4mm (0.16"). Outbreaks of sunshine and the relatively low average temperatures, with highs of 19.7°C (67.5°F) and lows of 7.3°C (45.1°F), uphold the month's vibrant but cool theme. December weather invites locals and tourists alike to experience Mexico City's rich cultural heritage, amplified by the innate beauty of the season's festive ambiance.

Temperature

Transitioning into December, Mexico City experiences an average high-temperature of an enjoyable 19.7°C (67.5°F), marking a minor shift from the preceding month. Against the high December temperatures, Mexico City records an average drop to a frosty 7.3°C (45.1°F) at night.

Humidity

The average relative humidity in December is 57%.

Rainfall

December is the month with the least rainfall in Mexico City. Rain falls for 3.9 days and accumulates 4mm (0.16") of precipitation.

Daylight

The month with the shortest days in Mexico City is December, with an average of 11h and 0min of daylight.
On the first day of December in Mexico City, sunrise is at 6:54 am and sunset at 5:57 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:09 pm CST.

Sunshine

The average sunshine in December in Mexico City is 8.9h.

UV index

The months with the lowest UV index in Mexico City are January, June, August through December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 4 in December translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

What is the usual temperature for Mexico City in December?

Mexico City in December has an average high-temperature of 19.7°C (67.5°F) and an average low-temperature of 7.3°C (45.1°F).

What is the average humidity in December in Mexico City?

In Mexico City, the average relative humidity in December is 57%.

What is the driest month in Mexico City?

The month with the least rainfall in Mexico City, Mexico, is December, when the rain falls for 3.9 days and typically collects 4mm (0.16") of precipitation.

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

In Mexico City, in December, it is raining for 3.9 days, with typically 4mm (0.16") of accumulated precipitation.

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

The month with the shortest days in Mexico City is December, with an average of 11h and 0min of daylight.

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

The average day length in December in Mexico City is 10h and 59min.

When is the sunrise / sunset in December in Mexico City?

In December, on the first day of the month, sunrise is at 6:54 am and sunset at 5:57 pm. On the last day of the month, in Mexico City, sunrise is at 7:10 am and sunset at 6:09 pm CST.

How many hours of sunshine does Mexico City have in December?

In Mexico City, Mexico, the average sunshine duration in December is 8.9h.

When is the lowest UV index in Mexico City?

The months with the lowest UV index in Mexico City, Mexico, are January, June, August through December, with an average maximum UV index of 4.

How high is the UV index in December in Mexico City?

The average daily maximum UV index in December in Mexico City, Mexico, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Mexico City, Mexico

Average temperature in December - Mexico City, Mexico
  • Average high temperature in December: 19.7°C

The warmest months (with the highest average high temperature) are April and May (25.4°C).
The month with the lowest average high temperature is January (19.2°C).

  • Average low temperature in December: 7.3°C

The month with the highest average low temperature is May (13.7°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).

Average pressure in December
Mexico City, Mexico

Average pressure in December - Mexico City, Mexico
  • Average pressure in December: 1017.7mbar

The month with the highest atmospheric pressure is January (1018.3mbar).
The month with the lowest atmospheric pressure is May (1014.1mbar).

Average wind speed in December
Mexico City, Mexico

Average wind speed in December - Mexico City, Mexico
  • Average wind speed in December: 6.2km/h

The windiest month (with the highest average wind speed) is March (7.4km/h).
The calmest month (with the lowest average wind speed) is July (5.4km/h).

Average humidity in December
Mexico City, Mexico

Average humidity in December - Mexico City, Mexico
  • Average humidity in December: 57%

The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is April (41%).

Average rainfall in December
Mexico City, Mexico

Average rainfall in December - Mexico City, Mexico
  • Average rainfall in December: 4mm

The wettest month (with the highest rainfall) is July (181mm).
The driest month (with the least rainfall) is December (4mm).

Average rainfall days in December
Mexico City, Mexico

Average rainfall days in December - Mexico City, Mexico
  • Average rainfall days in December: 3.9 days

The month with the highest number of rainy days is July (28.8 days).
The month with the least rainy days is December (3.9 days).

Average daylight in December /
Average sunshine in December
Mexico City, Mexico

Average daylight in December / Average sunshine in December - Mexico City, Mexico
  • Average daylight in December: 11h and 0min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in December: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 7h and 48min).

Average sunshine days in December
Mexico City, Mexico

Average sunshine days in December - Mexico City, Mexico
  • Average sunshine days in December: 25.1 days

The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (0.3 days).

Average UV index in December
Mexico City, Mexico

Average UV index in December - Mexico City, Mexico
  • Average UV index in December: 4

The months with the highest UV index are February, March, April, May and July (UV index 5).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 4).

Average cloud cover in December
Mexico City, Mexico

Average cloud cover in December - Mexico City, Mexico
  • Average cloud cover in December: 10

The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is December (Cloud cover 10).

Average visibility in December
Mexico City, Mexico

Average visibility in December - Mexico City, Mexico
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are July, August and September (8km).

Mexico City, Mexico

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