December weather forecastChumatlan, Mexico
December
Weather in December
December, the first month of the winter in Chumatlan, is also a moderately hot month, with temperature in the range of an average low of 16°C (60.8°F) and an average high of 23.9°C (75°F).Temperature
December's onset brings an average high-temperature of a still warm 23.9°C (75°F), showing a minute difference from November's 25.3°C (77.5°F). An average low-temperature of 16°C (60.8°F) is noted during the nights in December in Chumatlan.Humidity
With an average relative humidity of 84%, December is the most humid month in Chumatlan.Rainfall
In December, the rain falls for 13.5 days. Throughout December, 37mm (1.46") of precipitation is accumulated. In Chumatlan, during the entire year, the rain falls for 196.2 days and collects up to 978mm (38.5") of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 54min of daylight.On the first day of December in Chumatlan, sunrise is at 6:49 am and sunset at 5:49 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:01 pm CST.
Sunshine
The months with the least sunshine in Chumatlan are November and December, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 5 in December transforms into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. When the Sun is at its strongest around midday, find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chumatlan, Mexico
- Average high temperature in December: 23.9°C
The warmest month (with the highest average high temperature) is May (32.3°C).
The month with the lowest average high temperature is January (22.7°C).
- Average low temperature in December: 16°C
The month with the highest average low temperature is June (22.6°C).
The coldest month (with the lowest average low temperature) is January (14.5°C).
Average pressure in December
Chumatlan, Mexico
- Average pressure in December: 1017.6mbar
The month with the highest atmospheric pressure is January (1019mbar).
The month with the lowest atmospheric pressure is May (1012.6mbar).
Average wind speed in December
Chumatlan, Mexico
- Average wind speed in December: 6.5km/h
The windiest month (with the highest average wind speed) is May (7.8km/h).
The calmest month (with the lowest average wind speed) is December (6.5km/h).
Average humidity in December
Chumatlan, Mexico
- Average humidity in December: 84%
The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in December
Chumatlan, Mexico
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is October (190mm).
The driest month (with the least rainfall) is March (35mm).
Average rainfall days in December
Chumatlan, Mexico
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is September (23 days).
The month with the least rainy days is April (11.7 days).
Average daylight in December /
Average sunshine in December
Chumatlan, 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: 5h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are November and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Chumatlan, Mexico
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is September (5.5 days).
Average UV index in December
Chumatlan, Mexico
- Average UV index in December: 5
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in December
Chumatlan, Mexico
- Average cloud cover in December: 50
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are May, July and August (Cloud cover 30).
Average visibility in December
Chumatlan, Mexico
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August and September (9km).
The month with the lowest visibility is February (7km).
