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 snowfall in December
- Average snowfall 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
January and December mark Copalillo's lowest temperatures, averaging a high-temperature of 27.5°C (81.5°F).Heat index
December's mean heat index is evaluated at 28°C (82.4°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
In Copalillo, the average relative humidity in December is 55%.Rainfall
The months with the least rainfall in Copalillo are January and December Rain falls for 3.1 days and accumulates 4mm (0.16") of rain.Snowfall
January through August, October through December are months without snowfall.Daylight
The month with the shortest days in Copalillo is December, with an average of 11h and 6min of daylight.On the first day of December in Copalillo, sunrise is at 6:51 am and sunset at 5:59 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:11 pm CST.
Sunshine
January, February, April and December, with an average of 9.9h of sunshine, are months with the most sunshine in Copalillo.UV index
January, October through December, with an average maximum UV index of 5, are months with the lowest UV index in Copalillo. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 5 in December suggests the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What part of the year is the coldest in Copalillo?
What is the temperature in December in Copalillo?
What is the average humidity in December in Copalillo?
What is the driest month in Copalillo?
How many days does it rain in December in Copalillo?
When it does not snow in Copalillo?
What is the month with the shortest days in Copalillo?
What is the average length of the day in December in Copalillo?
When is the sunrise / sunset in December in Copalillo?
What is the month with the most sunshine in Copalillo?
How long on average sun shines in December in Copalillo?
What is the month with the lowest UV index in Copalillo?
What is the UV index intensity in December in Copalillo?
Average temperature in December
Copalillo, Mexico
- Average high temperature in December: 27.5°C
The warmest month (with the highest average high temperature) is April (34.3°C).
The months with the lowest average high temperature are January and December (27.5°C).
- Average low temperature in December: 13.5°C
The month with the highest average low temperature is May (20.4°C).
The coldest month (with the lowest average low temperature) is January (13.3°C).
Average pressure in December
Copalillo, Mexico
- Average pressure in December: 1015.7mbar
The month with the highest atmospheric pressure is January (1016.1mbar).
The month with the lowest atmospheric pressure is May (1013mbar).
Average wind speed in December
Copalillo, Mexico
- Average wind speed in December: 4.4km/h
The windiest month (with the highest average wind speed) is April (5.2km/h).
The calmest months (with the lowest average wind speed) are August and September (4km/h).
Average humidity in December
Copalillo, Mexico
- Average humidity in December: 55%
The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is April (35%).
Average rainfall in December
Copalillo, Mexico
- Average rainfall in December: 4mm
The wettest month (with the highest rainfall) is September (158mm).
The driest months (with the least rainfall) are January and December (4mm).
Average rainfall days in December
Copalillo, Mexico
- Average rainfall days in December: 3.1 days
The month with the highest number of rainy days is August (28.2 days).
The month with the least rainy days is December (3.1 days).
Average snowfall in December
Copalillo, Mexico
- Average snowfall in December: 0mm
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days in December
Copalillo, Mexico
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Copalillo, Mexico
- Average daylight in December: 11h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 9h and 5min
The months with the most sunshine are January, February, April and December (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 8h and 36min).
Average sunshine days in December
Copalillo, Mexico
- Average sunshine days in December: 26.7 days
The month with the most sunshine days is December (26.7 days).
The month with the least sunshine days is August (1.4 days).
Average UV index in December
Copalillo, Mexico
- Average UV index in December: 5
The months with the highest UV index are March, April and May (UV index 7).
The months with the lowest UV index are January, October, November and December (UV index 5).
Average cloud cover in December
Copalillo, Mexico
- Average cloud cover in December: 9
The month with the most cloud cover is September (Cloud cover 34).
The months with the least cloud cover are April and December (Cloud cover 9).
Average visibility in December
Copalillo, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The month with the lowest visibility is September (8km).
Copalillo, Mexico
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