December weather forecastChiautla, Mexico

December

Weather in December

December, the first month of the winter in Chiautla, is still a comfortable month, with an average temperature varying between 19.5°C (67.1°F) and 7.4°C (45.3°F).

Temperature

The advent of December observes an average high-temperature of a still refreshing 19.5°C (67.1°F), nearly identical to November's 19.6°C (67.3°F). The nighttime temperature during December displays a significant divergence from daily peaks, averaging at a chilly 7.4°C (45.3°F).

Humidity

The average relative humidity in December is 57%.

Rainfall

The month with the least rainfall in Chiautla is December, when the rain falls for 3.7 days and typically collects 4mm (0.16") of precipitation.

Daylight

The month with the shortest days is December, with an average of 11h and 0min of daylight.
On the first day of the month, sunrise is at 6:53 am and sunset at 5:55 pm. On the last day of December, sunrise is at 7:09 am and sunset at 6:08 pm CST.

Sunshine

In Chiautla, the average sunshine in December is 8.7h.

UV index

January, June through December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 in December interprets into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

The high-temperature, in December, in Chiautla, is 19.5°C (67.1°F), while the low-temperature averages to 7.4°C (45.3°F).

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

December is the month with the least rainfall in Chiautla. Rain falls for 3.7 days and accumulates 4mm (0.16") of precipitation.

In Chiautla, during December, the rain falls for 3.7 days and regularly aggregates up to 4mm (0.16") of precipitation.

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

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

On the first day of December in Chiautla, Mexico, sunrise is at 6:53 am and sunset at 5:55 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:08 pm CST.

The average sunshine duration in December in Chiautla, Mexico, is 8.7h.

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

In Chiautla, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Chiautla, Mexico

  • Average high temperature in December: 19.5°C

The warmest month (with the highest average high temperature) is May (25.3°C).
The month with the lowest average high temperature is January (18.9°C).

  • Average low temperature in December: 7.4°C

The month with the highest average low temperature is May (12.8°C).
The coldest month (with the lowest average low temperature) is January (6.5°C).

Average pressure in December
Chiautla, Mexico

  • Average pressure in December: 1017.9mbar

The month with the highest atmospheric pressure is January (1018.6mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).

Average wind speed in December
Chiautla, Mexico

  • Average wind speed in December: 6.9km/h

The windiest months (with the highest average wind speed) are February, March and April (8km/h).
The calmest month (with the lowest average wind speed) is July (6.1km/h).

Average humidity in December
Chiautla, 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 (42%).

Average rainfall in December
Chiautla, Mexico

  • Average rainfall in December: 4mm

The wettest month (with the highest rainfall) is August (125mm).
The driest month (with the least rainfall) is December (4mm).

Average rainfall days in December
Chiautla, Mexico

  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is August (24.4 days).
The month with the least rainy days is December (3.7 days).

Average daylight in December /
Average sunshine in December
Chiautla, 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 42min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).

Average sunshine days in December
Chiautla, Mexico

  • Average sunshine days in December: 26.1 days

The month with the most sunshine days is December (26.1 days).
The month with the least sunshine days is September (3.2 days).

Average UV index in December
Chiautla, Mexico

  • Average UV index in December: 4

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

Average cloud cover in December
Chiautla, Mexico

  • Average cloud cover in December: 11

The month with the most cloud cover is July (Cloud cover 38).
The months with the least cloud cover are February and December (Cloud cover 11).

Average visibility in December
Chiautla, Mexico

  • Average visibility in December: 10km

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