December weather forecast
Acayucan, Mexico

December

Weather in December

The first month of the winter, December, is still a warm month in Acayucan, Mexico, with an average temperature fluctuating between 25.9°C (78.6°F) and 17.9°C (64.2°F).

Temperature

With December's arrival, Acayucan's weather records an average high-temperature of a still warm 25.9°C (78.6°F), marking little difference from November's 26.8°C (80.2°F). Acayucan, during the month of December, experiences an average low-temperature of 17.9°C (64.2°F).

Humidity

November and December, with an average relative humidity of 88%, are the most humid months.

Rainfall

In Acayucan, Mexico, in December, during 15.5 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, there are 216.6 rainfall days, and 1064mm (41.89") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 11h and 6min of daylight.
On the first day of December, sunrise is at 6:35 am and sunset at 5:42 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 5:55 pm CST.

Sunshine

The average sunshine in December is 4.9h.

UV index

The months with the lowest UV index in Acayucan are January and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 5 in December translates into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

What is the average December temperature?
The high-temperature, in December, in Acayucan, records 25.9°C (78.6°F), while the low-temperature is 17.9°C (64.2°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in October is estimated at 36°C (96.8°F).
What is the most humid month?
The months with the highest humidity are November and December, with an average relative humidity of 88%.
What is the average humidity in December?
In December, the average relative humidity is 88%.
How much does it rain in December?
In Acayucan, during December, the rain falls for 15.5 days and regularly aggregates up to 37mm (1.46") of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 11h and 6min of daylight.
What is the average length of the day in December in Acayucan?
In December, the average day length is 11h and 5min.
What time are sunrise and sunset in December?
On the first day of December, sunrise is at 6:35 am and sunset at 5:42 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 5:55 pm CST.
How long on average sun shines in December?
In December, the average sunshine duration is 4.9h.
What are the months with the lowest UV index in Acayucan?
The months with the lowest UV index are January and December, with an average maximum UV index of 5.
What is the UV index reading in December?
In Acayucan, the average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Acayucan, Mexico
Average temperature in December
Acayucan, Mexico
  • Average high temperature in December: 25.9°C

The warmest month (with the highest average high temperature) is May (36.3°C).
The month with the lowest average high temperature is January (25.1°C).

  • Average low temperature in December: 17.9°C

The month with the highest average low temperature is May (23.8°C).
The coldest month (with the lowest average low temperature) is January (16.7°C).

Average pressure in December - Acayucan, Mexico
Average pressure in December
Acayucan, Mexico
  • Average pressure in December: 1016.3mbar

The month with the highest atmospheric pressure is January (1017.8mbar).
The month with the lowest atmospheric pressure is May (1011.3mbar).

Average wind speed in December - Acayucan, Mexico
Average wind speed in December
Acayucan, Mexico
  • Average wind speed in December: 6.8km/h

The windiest month (with the highest average wind speed) is April (8.3km/h).
The calmest month (with the lowest average wind speed) is September (5.7km/h).

Average humidity in December - Acayucan, Mexico
Average humidity in December
Acayucan, Mexico
  • Average humidity in December: 88%

The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is May (64%).

Average rainfall in December - Acayucan, Mexico
Average rainfall in December
Acayucan, Mexico
  • Average rainfall in December: 37mm

The wettest month (with the highest rainfall) is August (184mm).
The driest month (with the least rainfall) is March (16mm).

Average rainfall days in December - Acayucan, Mexico
Average rainfall days in December
Acayucan, Mexico
  • Average rainfall days in December: 15.5 days

The month with the highest number of rainy days is September (26.8 days).
The month with the least rainy days is April (8.2 days).

Average daylight in December / Average sunshine in December - Acayucan, Mexico
Average daylight in December /
Average sunshine in December
Acayucan, 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: 4h and 5min

The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 4h and 48min).

Average sunshine days in December - Acayucan, Mexico
Average sunshine days in December
Acayucan, Mexico
  • Average sunshine days in December: 13.2 days

The month with the most sunshine days is April (20.9 days).
The month with the least sunshine days is September (2 days).

Average UV index in December - Acayucan, Mexico
Average UV index in December
Acayucan, Mexico
  • Average UV index in December: 5

The months with the highest UV index are March, April, May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 5).

Average cloud cover in December - Acayucan, Mexico
Average cloud cover in December
Acayucan, Mexico
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 26).

Average visibility in December - Acayucan, Mexico
Average visibility in December
Acayucan, Mexico
  • Average visibility in December: 6km

The month with the highest visibility is May (10km).
The months with the lowest visibility are January, November and December (6km).

englishespañol中文
Share