December weather forecastCopainalá, Mexico
December
Weather in December
The first month of the winter, December, is still a warm month in Copainalá, Mexico, with an average temperature fluctuating between 14.9°C (58.8°F) and 25.4°C (77.7°F).Temperature
Copainalá, Mexico, sees the arrival of December with an average high-temperature of a still warm 25.4°C (77.7°F), indicating a subtle variation from November. During the month of December, an average temperature of 14.9°C (58.8°F) is noted during the nights in Copainalá, Mexico.Humidity
In December, the average relative humidity in Copainalá is 80%.Rainfall
In Copainalá, during December, the rain falls for 10.9 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, in Copainalá, Mexico, there are 233.9 rainfall days, and 1153mm (45.39") of precipitation is accumulated.Daylight
December has the shortest days of the year in Copainalá, with an average of 11h and 6min of daylight.On the first day of December, sunrise is at 6:26 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 5:50 pm CST.
Sunshine
In December, the average sunshine is 7.1h.UV index
January, August, October and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in December converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Copainalá, 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
Copainalá, 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
Copainalá, 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
Copainalá, 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
Copainalá, 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
Copainalá, 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
Copainalá, 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
Copainalá, 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
Copainalá, 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).
Average cloud cover in December
Copainalá, Mexico
- Average cloud cover in December: 34
The month with the most cloud cover is September (Cloud cover 56).
The month with the least cloud cover is April (Cloud cover 22).
Average visibility in December
Copainalá, Mexico
- Average visibility in December: 8km
The months with the highest visibility are March and April (10km).
The month with the lowest visibility is October (6km).





