December weather forecastCoacalco, Mexico
December
Weather in December
The first month of the winter, December, is still a comfortable month in Coacalco, Mexico, with an average temperature ranging between min 7.5°C (45.5°F) and max 19.7°C (67.5°F).Temperature
As Coacalco welcomes December, the average high-temperature stabilizes at a still comfortable 19.7°C (67.5°F), maintaining alignment with November's conditions. Coacalco's temperature exhibits a stark contrast from daytime to nighttime, averaging lows of 7.5°C (45.5°F) in December.Humidity
The average relative humidity in December is 58%.Rainfall
The month with the least rainfall is December, when the rain falls for 3.5 days and typically collects 4mm (0.16") of precipitation.Daylight
With an average of 11h and 0min of daylight, December has the shortest days of the year in Coacalco.On the first day of the month, sunrise is at 6:54 am and sunset at 5:56 pm. On the last day of December, in Coacalco, sunrise is at 7:10 am and sunset at 6:08 pm CST.
Sunshine
The average sunshine in December in Coacalco, Mexico, is 8.8h.UV index
January, June, September through December, with an average maximum UV index of 4, are months with the lowest UV index in Coacalco, Mexico. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 4 in December leads to these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coacalco, Mexico
- Average high temperature in December: 19.7°C
The warmest month (with the highest average high temperature) is April (25.6°C).
The month with the lowest average high temperature is January (18.9°C).
- Average low temperature in December: 7.5°C
The month with the highest average low temperature is May (13.3°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).
Average pressure in December
Coacalco, Mexico
- Average pressure in December: 1017.9mbar
The month with the highest atmospheric pressure is January (1018.5mbar).
The month with the lowest atmospheric pressure is May (1014.1mbar).
Average wind speed in December
Coacalco, Mexico
- Average wind speed in December: 6.6km/h
The windiest month (with the highest average wind speed) is March (7.8km/h).
The calmest month (with the lowest average wind speed) is July (6.3km/h).
Average humidity in December
Coacalco, Mexico
- Average humidity in December: 58%
The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is April (42%).
Average rainfall in December
Coacalco, Mexico
- Average rainfall in December: 4mm
The wettest months (with the highest rainfall) are July and August (136mm).
The driest month (with the least rainfall) is December (4mm).
Average rainfall days in December
Coacalco, Mexico
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is July (27.5 days).
The month with the least rainy days is December (3.5 days).
Average daylight in December /
Average sunshine in December
Coacalco, Mexico
- Average daylight in December: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in December: 8h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 7h and 48min).
Average sunshine days in December
Coacalco, Mexico
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is July (2.3 days).
Average UV index in December
Coacalco, Mexico
- Average UV index in December: 4
The months with the highest UV index are February, March, April, May, July and August (UV index 5).
The months with the lowest UV index are January, June, September, October, November and December (UV index 4).
Average cloud cover in December
Coacalco, Mexico
- Average cloud cover in December: 11
The month with the most cloud cover is September (Cloud cover 39).
The months with the least cloud cover are February, March and December (Cloud cover 11).
Average visibility in December
Coacalco, Mexico
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May and December (10km).
The months with the lowest visibility are July, August and September (8km).





