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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).





