December weather forecastChapultenango, Mexico

December

Weather in December

The first month of the winter, December, is still a warm month in Chapultenango, Mexico, with temperature in the range of an average low of 14.9°C (58.8°F) and an average high of 25.4°C (77.7°F).

Temperature

December's climate shows a minor adjustment in average high-temperatures to a still moderately hot 25.4°C (77.7°F) from November's 25.3°C (77.5°F). Chapultenango, during the nights of December, experiences an average temperature drop to a mild 14.9°C (58.8°F).

Humidity

In December, the average relative humidity in Chapultenango, Mexico, is 80%.

Rainfall

In Chapultenango, in December, during 10.9 rainfall days, 17mm (0.67") of precipitation is typically accumulated. Throughout the year, there are 233.7 rainfall days, and 1131mm (44.53") of precipitation is accumulated.

Daylight

With an average of 11h and 6min of daylight, December has the shortest days of the year in Chapultenango, Mexico.
On the first day of the month, sunrise is at 6:26 am and sunset at 5:36 pm. On the last day of December, sunrise is at 6:42 am and sunset at 5:49 pm CST.

Sunshine

The average sunshine in December is 7.1h.

UV index

The months with the lowest UV index in Chapultenango are January, August, October and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 5 translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature in Chapultenango during December are 25.4°C (77.7°F) and 14.9°C (58.8°F) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in September is computed to be 31°C (87.8°F).

The average relative humidity in December in Chapultenango, Mexico, is 80%.

In Chapultenango, Mexico, in December, it is raining for 10.9 days, with typically 17mm (0.67") of accumulated precipitation.

December has the shortest days of the year, with an average of 11h and 6min of daylight.

In Chapultenango, Mexico, the average day length in December is 11h and 7min.

In December, on the first day of the month, sunrise is at 6:26 am and sunset at 5:36 pm. On the last day of the month, in Chapultenango, Mexico, sunrise is at 6:42 am and sunset at 5:49 pm CST.

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

January, August, October and December, with an average maximum UV index of 5, are months with the lowest UV index.

The average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

25.3°C

25.4°C

24.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.6km/h

7.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

8.1

15.8

14.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Chapultenango, Mexico

Average high temperature in December: 25.4°C

The warmest month (with the highest average high temperature) is April (32°C).
The month with the lowest average high temperature is January (24.9°C).

Average low temperature in December: 14.9°C

The month with the highest average low temperature is May (20°C).
The coldest month (with the lowest average low temperature) is January (14.4°C).

Average pressure in December
Chapultenango, Mexico

Average pressure in December: 1015.2mbar

The month with the highest atmospheric pressure is January (1016.2mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).

Average wind speed in December
Chapultenango, Mexico

Average wind speed in December: 5.6km/h

The windiest month (with the highest average wind speed) is January (6.2km/h).
The calmest month (with the lowest average wind speed) is June (3.8km/h).

Average humidity in December
Chapultenango, Mexico

Average humidity in December: 80%

The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is April (63%).

Average rainfall in December
Chapultenango, Mexico

Average rainfall in December: 17mm

The wettest month (with the highest rainfall) is August (226mm).
The driest month (with the least rainfall) is February (12mm).

Average rainfall days in December
Chapultenango, Mexico

Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is August (28.5 days).
The month with the least rainy days is February (10.4 days).

Average daylight in December /
Average sunshine in December
Chapultenango, 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 6min

The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is October (Average sunshine: 6h and 30min).

Average sunshine days in December
Chapultenango, Mexico

Average sunshine days in December: 15.8 days

The month with the most sunshine days is December (15.8 days).
The month with the least sunshine days is August (1.3 days).

Average UV index in December
Chapultenango, Mexico

Average UV index in December: 5

The month with the highest UV index is April (UV index 7).
The months with the lowest UV index are January, August, October and December (UV index 5).