December weather forecast
Seybaplaya, Mexico

December

Weather in December

December, the first month of the winter in Seybaplaya, is still a warm month, with an average temperature fluctuating between 28.1°C (82.6°F) and 20.5°C (68.9°F).

Temperature

Entering December, Seybaplaya's average high-temperature reads a still moderately hot 28.1°C (82.6°F), indicating a close resemblance to the previous month's climate. The mean low-temperature during December nights in Seybaplaya is an agreeable 20.5°C (68.9°F).

Heat index

The heat index in December is estimated at a hot 32°C (89.6°F). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Seybaplaya, in December, during 8.5 rainfall days, 22mm (0.87") of precipitation is typically accumulated. In Seybaplaya, during the entire year, the rain falls for 149.4 days and collects up to 548mm (21.57") of precipitation.

Sea temperature

In December, the average sea temperature in Seybaplaya is 24.7°C (76.5°F).
Note: The cold tolerance of an individual, along with sunshine, wind, and the temperature of the environment, affects the enjoyment of swimming in 24.7°C (76.5°F) waters. (Olympic swimmers participate in waters ranging from 25°C (77°F) to 28°C (82.4°F).)

Daylight

With an average of 11h and 0min of daylight, December has the shortest days of the year in Seybaplaya, Mexico.
On the first day of December in Seybaplaya, Mexico, sunrise is at 6:21 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 5:35 pm CST.

Sunshine

In Seybaplaya, Mexico, the average sunshine in December is 6.9h.

UV index

The months with the lowest UV index in Seybaplaya are January, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, an average UV index of 6 transforms into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Warning! The Sun's UV rays intensify with reflections from sand and water.

Frequently asked questions

Is it hot in Seybaplaya during December?
In December, in Seybaplaya, the average high-temperature is 28.1°C (82.6°F), and the average low-temperature is 20.5°C (68.9°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in December is estimated at 32°C (89.6°F).
What is the average humidity in December in Seybaplaya?
In Seybaplaya, the average relative humidity in December is 76%.
How many days does it rain in December in Seybaplaya?
In December, in Seybaplaya, the rain falls for 8.5 days. Throughout December, 22mm (0.87") of precipitation is accumulated.
What is the water temperature in December in Seybaplaya?
In December, the average sea temperature in Seybaplaya, Mexico, is 24.7°C (76.5°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.7°C (76.5°F) water.
What is the month with the shortest days in Seybaplaya?
With an average of 11h and 0min of daylight, December has the shortest days of the year in Seybaplaya.
What is the average length of the day in December in Seybaplaya?
In Seybaplaya, the average day length in December is 10h and 58min.
What time are sunrise and sunset in December in Seybaplaya?
On the first day of December in Seybaplaya, sunrise is at 6:21 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 5:35 pm CST.
How long on average sun shines in December in Seybaplaya?
The average sunshine duration in December in Seybaplaya is 6.9h.
What is the month with the lowest UV index in Seybaplaya?
January, November and December, with an average maximum UV index of 6, are months with the lowest UV index.
What is the UV index reading in December in Seybaplaya?
In Seybaplaya, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Seybaplaya, Mexico
Average temperature in December
Seybaplaya, Mexico
  • Average high temperature in December: 28.1°C

The warmest month (with the highest average high temperature) is May (33.6°C).
The month with the lowest average high temperature is January (27.2°C).

  • Average low temperature in December: 20.5°C

The month with the highest average low temperature is June (24.9°C).
The coldest month (with the lowest average low temperature) is January (19.8°C).

Average pressure in December - Seybaplaya, Mexico
Average pressure in December
Seybaplaya, Mexico
  • Average pressure in December: 1015.7mbar

The month with the highest atmospheric pressure is January (1016.9mbar).
The month with the lowest atmospheric pressure is September (1011.3mbar).

Average wind speed in December - Seybaplaya, Mexico
Average wind speed in December
Seybaplaya, Mexico
  • Average wind speed in December: 12.8km/h

The windiest month (with the highest average wind speed) is March (14.5km/h).
The calmest month (with the lowest average wind speed) is September (11.7km/h).

Average humidity in December - Seybaplaya, Mexico
Average humidity in December
Seybaplaya, Mexico
  • Average humidity in December: 76%

The months with the highest relative humidity are September and October (78%).
The month with the lowest relative humidity is April (66%).

Average rainfall in December - Seybaplaya, Mexico
Average rainfall in December
Seybaplaya, Mexico
  • Average rainfall in December: 22mm

The wettest month (with the highest rainfall) is June (113mm).
The driest month (with the least rainfall) is February (7mm).

Average rainfall days in December - Seybaplaya, Mexico
Average rainfall days in December
Seybaplaya, Mexico
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is September (21.6 days).
The month with the least rainy days is February (4.7 days).

Average sea temperature in December - Seybaplaya, Mexico
Average sea temperature in December
Seybaplaya, Mexico
  • Average sea temperature in December: 24.7°C

The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is January (23.3°C).

Average daylight in December / Average sunshine in December - Seybaplaya, Mexico
Average daylight in December /
Average sunshine in December
Seybaplaya, 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: 6h and 5min

The month with the most sunshine is April (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).

Average sunshine days in December - Seybaplaya, Mexico
Average sunshine days in December
Seybaplaya, Mexico
  • Average sunshine days in December: 20.2 days

The month with the most sunshine days is March (23.9 days).
The month with the least sunshine days is September (6.7 days).

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

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

Average cloud cover in December - Seybaplaya, Mexico
Average cloud cover in December
Seybaplaya, Mexico
  • Average cloud cover in December: 26

The month with the most cloud cover is June (Cloud cover 33).
The month with the least cloud cover is April (Cloud cover 20).

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

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

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