Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With average high temperatures of 27.1°C (80.8°F) and lows of 13.7°C (56.7°F), December is the coldest month.Heat index
For December, the heat index is appraised at 29°C (84.2°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
The average relative humidity in December is 67%.Rainfall
In Compostela, in December, during 5.9 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, in Compostela, there are 164.8 rainfall days, and 1589mm (62.56") of precipitation is accumulated.Daylight
With an average of 10h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:20 am and sunset at 5:16 pm. On the last day of December, sunrise is at 6:36 am and sunset at 5:28 pm MST.
Sunshine
January, November and December, with an average of 7.3h of sunshine, are months with the least sunshine in Compostela.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 5 in December translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. When the Sun is at its strongest around midday, find shade and limit exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What time of the year is the coldest in Compostela?
What is the temperature in December in Compostela?
What is the average humidity in December in Compostela?
How many days does it rain in December in Compostela?
What is the month with the shortest days in Compostela?
How many hours of daylight does Compostela have in December?
When are sunrise and sunset in December in Compostela?
What are the months with the least sunshine in Compostela?
How long on average sun shines in December in Compostela?
When is the lowest UV index in Compostela?
What is the UV index reading in December in Compostela?
Average temperature in December
Compostela, Mexico
- Average high temperature in December: 27.1°C
The warmest month (with the highest average high temperature) is May (33.1°C).
The month with the lowest average high temperature is December (27.1°C).
- Average low temperature in December: 13.7°C
The month with the highest average low temperature is August (20.7°C).
The coldest month (with the lowest average low temperature) is February (13.3°C).
Average pressure in December
Compostela, Mexico
- Average pressure in December: 1015.1mbar
The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is June (1011.7mbar).
Average wind speed in December
Compostela, Mexico
- Average wind speed in December: 5.5km/h
The windiest month (with the highest average wind speed) is April (6.8km/h).
The calmest months (with the lowest average wind speed) are August and September (4.6km/h).
Average humidity in December
Compostela, Mexico
- Average humidity in December: 67%
The months with the highest relative humidity are August and September (86%).
The months with the lowest relative humidity are March and April (55%).
Average rainfall in December
Compostela, Mexico
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is August (415mm).
The driest month (with the least rainfall) is April (1mm).
Average rainfall days in December
Compostela, Mexico
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is August (30.3 days).
The month with the least rainy days is April (1 days).
Average daylight in December /
Average sunshine in December
Compostela, Mexico
- Average daylight in December: 10h and 5min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in December: 7h and 2min
The month with the most sunshine is May (Average sunshine: 11h and 48min).
The months with the least sunshine are January, November and December (Average sunshine: 7h and 18min).
Average sunshine days in December
Compostela, Mexico
- Average sunshine days in December: 24.7 days
The month with the most sunshine days is April (29.3 days).
The month with the least sunshine days is August (0.3 days).
Average UV index in December
Compostela, Mexico
- Average UV index in December: 5
The months with the highest UV index are February, March, April, May, June, July, August, September, October and November (UV index 6).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in December
Compostela, Mexico
- Average cloud cover in December: 19
The month with the most cloud cover is August (Cloud cover 62).
The month with the least cloud cover is March (Cloud cover 13).
Average visibility in December
Compostela, Mexico
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May and December (9km).
The months with the lowest visibility are August and September (6km).
Compostela, Mexico
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