December weather forecastHuatulco, Mexico

December

Weather in December

December, the first month of the winter in Huatulco, is still a hot month, with an average temperature ranging between max 33°C (91.4°F) and min 19°C (66.2°F).
The perfect water temperature of 27°C (80.6°F) and 1mm (0.04") of accumulated rainfall makes December a great period for swimming and other water activities.

Temperature

January, February, November and December, with an average high-temperature of 33°C (91.4°F), are marked as the coldest months in Huatulco.

Rainfall

February through April and December are months with the least rain in Huatulco when 1mm (0.04") of rain is typically aggregated.

Sea temperature

January, February and December, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater.
Note: Water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm, making water activities enjoyable for prolonged periods without any uncomfortable sensations.

Daylight

December has the shortest days of the year in Huatulco, Mexico, with an average of 11h and 12min of daylight.
On the first day of December in Huatulco, sunrise is at 6:37 am and sunset at 5:52 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:04 pm CST.

Sunshine

The average sunshine in December in Huatulco is 8h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 8. A UV Index estimate of 8 to 10 represents a very high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 8 during December leads to these advisories:
Ensure you act responsibly. Without precautions, skin and eyes can suffer. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be mindful! Sand and water reflections can up the Sun's UV exposure.

Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Huatulco experiences lowest temperatures, averaging a high-temperature of 33°C (91.4°F) during January, February, November and December.

December temperatures vary between a high-temperature of 33°C (91.4°F) and a low-temperature of 19°C (66.2°F).

February through April and December are months with the least rain in Huatulco when 1mm (0.04") of rain is typically aggregated.

Throughout December, in Huatulco, 1mm (0.04") of precipitation is accumulated.

January, February and December, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater in Huatulco, Mexico.

In Huatulco, the average seawater temperature in December is 27°C (80.6°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

The month with the shortest days is December, with an average of 11h and 12min of daylight.

In December, the average day length in Huatulco, Mexico, is 11h and 13min.

On the first day of December, sunrise is at 6:37 am and sunset at 5:52 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:04 pm CST.

The average sunshine duration in December in Huatulco is 8h.

The month with the lowest UV index in Huatulco is December, with an average maximum UV index of 8.

In Huatulco, Mexico, the average daily maximum UV index in December is 8. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unprotected exposure to UV radiation.

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Year J F M A M J J A S O N December

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Average high temperature

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Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in December
Huatulco, Mexico

Average high temperature in December: 33°C

The warmest months (with the highest average high temperature) are April, May and August (35°C).
The months with the lowest average high temperature are January, February, November and December (33°C).

Average low temperature in December: 19°C

The months with the highest average low temperature are May and June (23°C).
The coldest months (with the lowest average low temperature) are January, February and December (19°C).

Average rainfall in December
Huatulco, Mexico

Average rainfall in December: 1mm

The wettest month (with the highest rainfall) is June (176mm).
The driest months (with the least rainfall) are February, March, April and December (1mm).

Average rainfall days in December
Huatulco, Mexico

Average rainfall days in December: 0 days

The months with the highest number of rainy days are June and September (7 days).
The months with the least rainy days are January, February, March, April, November and December (0 days).

Average sea temperature in December
Huatulco, Mexico

Average sea temperature in December: 27°C

The best months for swimming (with the highest average sea temperature) are June, July and August (30°C).
The coldest months (with the lowest average sea temperature) are January, February and December (27°C).

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

Average daylight in December: 11h and 12min

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 12min).

Average sunshine in December: 8h

The months with the most sunshine are February and March (Average sunshine: 9h).
The month with the least sunshine is September (Average sunshine: 5h).

Average UV index in December
Huatulco, Mexico

Average UV index in December: 8

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).