December weather forecastChachahuantla, Mexico

December

Weather in December

The first month of the winter, December, is still a refreshing month in Chachahuantla, Mexico, with an average temperature fluctuating between 8.9°C (48°F) and 18.9°C (66°F).

Temperature

December's arrival shows an average high-temperature of a still refreshing 18.9°C (66°F), hardly different from the previous month. The average nighttime temperature lowers to a frosty 8.9°C (48°F) throughout December.

Humidity

The average relative humidity in December is 79%.

Rainfall

December is the month with the least rainfall in Chachahuantla. Rain falls for 14.2 days and accumulates 23mm (0.91") of precipitation.

Snowfall

January through October and December are months without snowfall in Chachahuantla.

Daylight

December has the shortest days of the year, with an average of 10h and 54min of daylight.
On the first day of December, sunrise is at 6:52 am and sunset at 5:51 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:03 pm CST.

Sunshine

The average sunshine in December is 7.1h.

UV index

January, February, October through December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 4 in December translates into this advice:
Guard yourself - Avoiding sunburn is suggested. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

The high-temperature in Chachahuantla, Mexico, during December is 18.9°C (66°F) and the low-temperature is 8.9°C (48°F).

In December, the average relative humidity in Chachahuantla is 79%.

The month with the least rainfall is December, when the rain falls for 14.2 days and typically collects 23mm (0.91") of precipitation.

In Chachahuantla, in December, during 14.2 rainfall days, 23mm (0.91") of precipitation is typically accumulated.

In Chachahuantla, snow does not fall in January through October and December.

In December, in Chachahuantla, Mexico, it doesn't snow. November is the latest month when it typically snows.

December has the shortest days of the year in Chachahuantla, with an average of 10h and 54min of daylight.

In Chachahuantla, the average day length in December is 10h and 56min.

On the first day of December in Chachahuantla, sunrise is at 6:52 am and sunset at 5:51 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:03 pm CST.

In Chachahuantla, Mexico, the average sunshine duration in December is 7.1h.

The months with the lowest UV index in Chachahuantla are January, February, October through December, with an average maximum UV index of 4.

In Chachahuantla, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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 snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Chachahuantla, Mexico

  • Average high temperature in December: 18.9°C

The warmest month (with the highest average high temperature) is April (24.7°C).
The month with the lowest average high temperature is January (17.7°C).

  • Average low temperature in December: 8.9°C

The month with the highest average low temperature is June (13.9°C).
The coldest month (with the lowest average low temperature) is January (7.9°C).

Average pressure in December
Chachahuantla, Mexico

  • Average pressure in December: 1018.1mbar

The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is May (1013.6mbar).

Average wind speed in December
Chachahuantla, Mexico

  • Average wind speed in December: 6.2km/h

The windiest month (with the highest average wind speed) is April (7.6km/h).
The calmest month (with the lowest average wind speed) is September (5.8km/h).

Average humidity in December
Chachahuantla, Mexico

  • Average humidity in December: 79%

The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is April (69%).

Average rainfall in December
Chachahuantla, Mexico

  • Average rainfall in December: 23mm

The wettest month (with the highest rainfall) is June (143mm).
The driest month (with the least rainfall) is December (23mm).

Average rainfall days in December
Chachahuantla, Mexico

  • Average rainfall days in December: 14.2 days

The month with the highest number of rainy days is July (26.2 days).
The month with the least rainy days is December (14.2 days).

Average snowfall in December
Chachahuantla, Mexico

  • Average snowfall in December: 0mm

The month with the highest snowfall is November (7mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and December (0mm).

Average snowfall days in December
Chachahuantla, Mexico

  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is November (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and December (0 days).

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

  • Average daylight in December: 10h and 54min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).

  • Average sunshine in December: 7h and 6min

The month with the most sunshine is May (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).

Average sunshine days in December
Chachahuantla, Mexico

  • Average sunshine days in December: 11.7 days

The month with the most sunshine days is January (11.9 days).
The month with the least sunshine days is September (3.8 days).

Average UV index in December
Chachahuantla, Mexico

  • Average UV index in December: 4

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

Average cloud cover in December
Chachahuantla, Mexico

  • Average cloud cover in December: 39

The month with the most cloud cover is September (Cloud cover 57).
The month with the least cloud cover is April (Cloud cover 30).

Average visibility in December
Chachahuantla, Mexico

  • Average visibility in December: 7km

The month with the highest visibility is April (9km).
The month with the lowest visibility is November (6km).