December weather forecastChalchihuapan, Mexico

December

Weather in December

December, the first month of the winter in Chalchihuapan, is still a refreshing month, with an average temperature varying between 5.4°C (41.7°F) and 17.6°C (63.7°F).

Temperature

December ushers in an average high-temperature of a still refreshing 17.6°C (63.7°F), aligning closely with the preceding month. Chalchihuapan reports a sharp reduction in temperature during December, averaging at a cold 5.4°C (41.7°F) at night.

Humidity

In December, the average relative humidity is 65%.

Rainfall

December is the month with the least rainfall. Rain falls for 6.1 days and accumulates 8mm (0.31") of precipitation.

Daylight

With an average of 11h and 0min of daylight, December has the shortest days of the year in Chalchihuapan.
On the first day of the month, sunrise is at 6:55 am and sunset at 5:59 pm. On the last day of December, in Chalchihuapan, sunrise is at 7:11 am and sunset at 6:12 pm CST.

Sunshine

The average sunshine in December is 9.3h.

UV index

In December, the average daily maximum UV index in Chalchihuapan is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 4 during December translates into the following directions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

The average high-temperature and low-temperature in Chalchihuapan, Mexico, during December are 17.6°C (63.7°F) and 5.4°C (41.7°F) respectively.

In December, the average relative humidity in Chalchihuapan, Mexico, is 65%.

The month with the least rainfall in Chalchihuapan, Mexico, is December, when the rain falls for 6.1 days and typically collects 8mm (0.31") of precipitation.

In Chalchihuapan, in December, during 6.1 rainfall days, 8mm (0.31") of precipitation is typically accumulated.

With an average of 11h and 0min of daylight, December has the shortest days of the year.

In Chalchihuapan, the average day length in December is 11h and 1min.

On the first day of December in Chalchihuapan, Mexico, sunrise is at 6:55 am and sunset at 5:59 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:12 pm CST.

In Chalchihuapan, Mexico, the average sunshine duration in December is 9.3h.

The average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Chalchihuapan, Mexico

  • Average high temperature in December: 17.6°C

The warmest month (with the highest average high temperature) is April (22.8°C).
The month with the lowest average high temperature is January (17.2°C).

  • Average low temperature in December: 5.4°C

The month with the highest average low temperature is May (10.8°C).
The coldest month (with the lowest average low temperature) is January (4.9°C).

Average pressure in December
Chalchihuapan, Mexico

  • Average pressure in December: 1017.2mbar

The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1013.7mbar).

Average wind speed in December
Chalchihuapan, Mexico

  • Average wind speed in December: 5.6km/h

The windiest months (with the highest average wind speed) are March and April (6.8km/h).
The calmest month (with the lowest average wind speed) is July (4.4km/h).

Average humidity in December
Chalchihuapan, Mexico

  • Average humidity in December: 65%

The month with the highest relative humidity is September (86%).
The month with the lowest relative humidity is April (47%).

Average rainfall in December
Chalchihuapan, Mexico

  • Average rainfall in December: 8mm

The wettest month (with the highest rainfall) is July (301mm).
The driest month (with the least rainfall) is December (8mm).

Average rainfall days in December
Chalchihuapan, Mexico

  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is August (30.8 days).
The month with the least rainy days is January (5.8 days).

Average daylight in December /
Average sunshine in December
Chalchihuapan, 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: 9h and 18min

The month with the most sunshine is March (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 8h and 6min).

Average sunshine days in December
Chalchihuapan, Mexico

  • Average sunshine days in December: 21.6 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is August (0.1 days).

Average UV index in December
Chalchihuapan, Mexico

  • Average UV index in December: 4

The months with the highest UV index are March and April (UV index 5).
The months with the lowest UV index are September and October (UV index 3).

Average cloud cover in December
Chalchihuapan, Mexico

  • Average cloud cover in December: 13

The month with the most cloud cover is September (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 12).

Average visibility in December
Chalchihuapan, Mexico

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May and December (10km).
The month with the lowest visibility is September (7km).