December weather forecastAcatlán, Mexico
December
Weather in December
The first month of the winter, December, is still a refreshing month in Acatlán, Mexico, with an average temperature fluctuating between 8.9°C (48°F) and 18.9°C (66°F).Temperature
As Acatlán welcomes December, the average high-temperature is noted at a still comfortable 18.9°C (66°F), closely aligning with the preceding month. An average low-temperature of 8.9°C (48°F) is common during the nights of December.Humidity
In December, the average relative humidity is 79%.Rainfall
The month with the least rainfall is December, when the rain falls for 14.2 days and typically collects 23mm (0.91") of precipitation.Snowfall
January through October and December are months without snowfall.Daylight
December has the shortest days of the year in Acatlán, with an average of 10h and 54min of daylight.On the first day of December, sunrise is at 6:53 am and sunset at 5:53 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:05 pm CST.
Sunshine
The average sunshine in December in Acatlán is 7h.UV index
January, February, October through December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 4 during December translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Acatlán, Mexico
- Average high temperature in December: 18.9°C
The warmest month (with the highest average high temperature) is April (24.7°C).
The month with the lowest average high temperature is January (17.7°C).
- Average low temperature in December: 8.9°C
The month with the highest average low temperature is June (13.9°C).
The coldest month (with the lowest average low temperature) is January (7.9°C).
Average pressure in December
Acatlán, Mexico
- Average pressure in December: 1018.1mbar
The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is May (1013.6mbar).
Average wind speed in December
Acatlán, Mexico
- Average wind speed in December: 6.2km/h
The windiest month (with the highest average wind speed) is April (7.6km/h).
The calmest month (with the lowest average wind speed) is September (5.8km/h).
Average humidity in December
Acatlán, Mexico
- Average humidity in December: 79%
The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is April (69%).
Average rainfall in December
Acatlán, Mexico
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is June (143mm).
The driest month (with the least rainfall) is December (23mm).
Average rainfall days in December
Acatlán, Mexico
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is July (26.2 days).
The month with the least rainy days is December (14.2 days).
Average snowfall in December
Acatlán, Mexico
- Average snowfall in December: 0mm
The month with the highest snowfall is November (7mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in December
Acatlán, Mexico
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is November (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Acatlán, 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: 7h and 0min
The month with the most sunshine is May (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in December
Acatlán, Mexico
- Average sunshine days in December: 11.6 days
The month with the most sunshine days is January (11.9 days).
The month with the least sunshine days is September (3.6 days).
Average UV index in December
Acatlán, Mexico
- Average UV index in December: 4
The months with the highest UV index are March, April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 4).
Average cloud cover in December
Acatlán, Mexico
- Average cloud cover in December: 39
The month with the most cloud cover is September (Cloud cover 58).
The month with the least cloud cover is April (Cloud cover 30).
Average visibility in December
Acatlán, Mexico
- Average visibility in December: 7km
The month with the highest visibility is April (9km).
The month with the lowest visibility is November (6km).
