December weather forecastChalchihuitán, Mexico

December

Weather in December

The first month of the winter, December, is also an agreeable month in Chalchihuitán, Mexico, with temperature in the range of an average low of 11.8°C (53.2°F) and an average high of 22.5°C (72.5°F).

Temperature

December's commencement is accompanied by an average high-temperature of a still pleasant 22.5°C (72.5°F), diverging marginally from November's 22.4°C (72.3°F). Chalchihuitán's nights in December experience an average temperature drop to a cool 11.8°C (53.2°F).

Humidity

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

Rainfall

In Chalchihuitán, in December, it is raining for 12.5 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, in Chalchihuitán, there are 249.8 rainfall days, and 1911mm (75.24") of precipitation is accumulated.

Daylight

With an average of 11h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:24 am and sunset at 5:35 pm. On the last day of December, in Chalchihuitán, sunrise is at 6:39 am and sunset at 5:47 pm CST.

Sunshine

The average sunshine in December is 7.2h.

UV index

In Chalchihuitán, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, a daily UV index of 5 turns into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

Chalchihuitán in December has an average high-temperature of 22.5°C (72.5°F) and an average low-temperature of 11.8°C (53.2°F). In April, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 30°C (86°F).

The average relative humidity in December is 79%.

In Chalchihuitán, in December, it is raining for 12.5 days, with typically 26mm (1.02") of accumulated precipitation.

With an average of 11h and 6min of daylight, December has the shortest days of the year in Chalchihuitán, Mexico.

In December, the average day length in Chalchihuitán is 11h and 8min.

On the first day of December, sunrise is at 6:24 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 5:47 pm CST.

In Chalchihuitán, Mexico, the average sunshine duration in December is 7.2h.

In December, the average daily maximum UV index in Chalchihuitán, Mexico, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Chalchihuitán, Mexico

  • Average high temperature in December: 22.5°C

The warmest month (with the highest average high temperature) is April (27.5°C).
The month with the lowest average high temperature is January (21.8°C).

  • Average low temperature in December: 11.8°C

The month with the highest average low temperature is May (16.7°C).
The coldest month (with the lowest average low temperature) is January (11.5°C).

Average pressure in December
Chalchihuitán, Mexico

  • Average pressure in December: 1015.8mbar

The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is May (1011.9mbar).

Average wind speed in December
Chalchihuitán, Mexico

  • Average wind speed in December: 4.4km/h

The windiest month (with the highest average wind speed) is January (4.7km/h).
The calmest month (with the lowest average wind speed) is September (3.2km/h).

Average humidity in December
Chalchihuitán, 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 (68%).

Average rainfall in December
Chalchihuitán, Mexico

  • Average rainfall in December: 26mm

The wettest month (with the highest rainfall) is June (359mm).
The driest month (with the least rainfall) is February (24mm).

Average rainfall days in December
Chalchihuitán, Mexico

  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is September (28.5 days).
The month with the least rainy days is December (12.5 days).

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

  • Average daylight in December: 11h and 6min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in December: 7h and 12min

The month with the most sunshine is April (Average sunshine: 10h and 42min).
The month with the least sunshine is October (Average sunshine: 6h and 24min).

Average sunshine days in December
Chalchihuitán, Mexico

  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is December (14.7 days).
The month with the least sunshine days is September (0.9 days).

Average UV index in December
Chalchihuitán, Mexico

  • Average UV index in December: 5

The months with the highest UV index are March and April (UV index 6).
The month with the lowest UV index is November (UV index 4).

Average cloud cover in December
Chalchihuitán, Mexico

  • Average cloud cover in December: 34

The month with the most cloud cover is October (Cloud cover 55).
The month with the least cloud cover is March (Cloud cover 25).

Average visibility in December
Chalchihuitán, Mexico

  • Average visibility in December: 8km

The months with the highest visibility are February, March, April and May (9km).
The month with the lowest visibility is October (6km).