December weather forecast
Akumal, Mexico

Weather in December

December, the first month of the winter in Akumal, is still a warm month, with an average temperature fluctuating between 22.2°C (72°F) and 27.6°C (81.7°F).

Temperature

In December, the average high-temperature is essentially the same as in November - a still moderately hot 27.6°C (81.7°F). In Akumal, Mexico, the average low-temperature is 22.2°C (72°F).

Heat index

In December, the average heat index is appraised at a tropical 30.9°C (87.6°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, metabolic differences, wind). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in December in Akumal is 78%.

Rainfall

In Akumal, in December, it is raining for 18.5 days, with typically 47mm (1.85") of accumulated precipitation. In Akumal, during the entire year, the rain falls for 211.1 days and collects up to 823mm (32.4") of precipitation.

Sea temperature

In Akumal, Mexico, the average water temperature is 27°C (80.6°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

December has the shortest days of the year, with an average of 10h and 55min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 6:07 pm. On the last day of December, in Akumal, sunrise is at 7:24 am and sunset at 6:19 pm EST.

Sunshine

In Akumal, the average sunshine in December is 8.4h.

UV index

The months with the lowest UV index in Akumal are January, February, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Akumal?

In December, in Akumal, the average high-temperature is 27.6°C (81.7°F), and the average low-temperature is 22.2°C (72°F). In December, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 30.9°C (87.6°F).

What is the average humidity in December in Akumal?

The average relative humidity in December in Akumal is 78%.

How many days does it rain in December in Akumal?

In Akumal, Mexico, in December, it is raining for 18.5 days, with typically 47mm (1.85") of accumulated precipitation.

How warm is the water in December in Akumal?

In Akumal, Mexico, in December, the average water temperature is 27°C (80.6°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the month with the shortest days in Akumal?

The month with the shortest days is December, with an average of 10h and 55min of daylight.

What is the average length of the day in December in Akumal?

The average day length in December is 10h and 55min.

What time are sunrise and sunset in December in Akumal?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 6:07 pm. On the last day of the month, in Akumal, Mexico, sunrise is at 7:24 am and sunset at 6:19 pm EST.

How many hours of sunshine does Akumal have in December?

In Akumal, the average sunshine duration in December is 8.4h.

What are the months with the lowest UV index in Akumal?

The months with the lowest UV index in Akumal are January, February, October through December, with an average maximum UV index of 6.

What is the UV index reading in December in Akumal?

In December, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in December
Akumal, Mexico

Average temperature in December - Akumal, Mexico
  • Average high temperature in December: 27.6°C

The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (26.7°C).

  • Average low temperature in December: 22.2°C

The month with the highest average low temperature is August (26°C).
The coldest month (with the lowest average low temperature) is January (20.8°C).

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Average pressure in December
Akumal, Mexico

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

The month with the highest atmospheric pressure is January (1017.4mbar).
The month with the lowest atmospheric pressure is September (1012.3mbar).

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Average wind speed in December
Akumal, Mexico

Average wind speed in December - Akumal, Mexico
  • Average wind speed in December: 11.4km/h

The windiest month (with the highest average wind speed) is March (13.1km/h).
The calmest month (with the lowest average wind speed) is September (10km/h).

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Average humidity in December
Akumal, Mexico

Average humidity in December - Akumal, Mexico
  • Average humidity in December: 78%

The months with the highest relative humidity are June and October (80%).
The month with the lowest relative humidity is March (73%).

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Average rainfall in December
Akumal, Mexico

Average rainfall in December - Akumal, Mexico
  • Average rainfall in December: 47mm

The wettest month (with the highest rainfall) is June (139mm).
The driest month (with the least rainfall) is March (21mm).

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Average rainfall days in December
Akumal, Mexico

Average rainfall days in December - Akumal, Mexico
  • Average rainfall days in December: 18.5 days

The month with the highest number of rainy days is September (23.5 days).
The month with the least rainy days is April (11.3 days).

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Average sea temperature in December
Akumal, Mexico

Average sea temperature in December - Akumal, Mexico
  • Average sea temperature in December: 27°C

The best months for swimming (with the highest average sea temperature) are August, September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (26°C).

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Average daylight in December /
Average sunshine in December
Akumal, Mexico

Average daylight in December / Average sunshine in December - Akumal, Mexico
  • Average daylight in December: 10h and 55min

The month with the longest days is June (Average daylight: 13h and 21min).
The month with the shortest days is December (Average daylight: 10h and 55min).

  • Average sunshine in December: 8.4h

The months with the most sunshine are July and August (Average sunshine: 9.2h).
The month with the least sunshine is January (Average sunshine: 7.9h).

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Average sunshine days in December
Akumal, Mexico

Average sunshine days in December - Akumal, Mexico
  • Average sunshine days in December: 7.3 days

The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is September (4.6 days).

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Average UV index in December
Akumal, Mexico

Average UV index in December - Akumal, Mexico
  • Average UV index in December: 6

The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, October, November and December (UV index 6).

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Average cloud cover in December
Akumal, Mexico

Average cloud cover in December - Akumal, Mexico
  • Average cloud cover in December: 35

The month with the most cloud cover is June (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in December
Akumal, Mexico

Average visibility in December - Akumal, Mexico
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, November and December (10km).
The month with the lowest visibility is October (9km).

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