December weather forecast
San Carlos Yautepec, Mexico

December

Weather in December

The first month of the winter, December, is also a moderately hot month in San Carlos Yautepec, Mexico, with temperature in the range of an average high of 27.6°C (81.7°F) and an average low of 20.6°C (69.1°F).

Temperature

A minimal variation is noted in San Carlos Yautepec's average high-temperature at the onset of December, reaching a still warm 27.6°C (81.7°F) from November's 28.1°C (82.6°F). December's nights in San Carlos Yautepec, Mexico, observe an average temperature of 20.6°C (69.1°F).

Heat index

December's mean heat index is evaluated at a tropical 30°C (86°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

The average relative humidity in December in San Carlos Yautepec is 68%.

Rainfall

In San Carlos Yautepec, in December, it is raining for 4.8 days, with typically 6mm (0.24") of accumulated precipitation. Throughout the year, there are 208.9 rainfall days, and 1221mm (48.07") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 11h and 12min of daylight.
On the first day of December in San Carlos Yautepec, sunrise is at 6:37 am and sunset at 5:50 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:02 pm CST.

Sunshine

In San Carlos Yautepec, the average sunshine in December is 8.2h.

UV index

The months with the lowest UV index are January through March, May, June, August through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 6 during December translates into the following directions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

What are December temperatures in San Carlos Yautepec?
In December, the average high-temperature and low-temperature are 27.6°C (81.7°F) and 20.6°C (69.1°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in December is evaluated at 30°C (86°F).
What is the average humidity in December in San Carlos Yautepec?
In December, the average relative humidity in San Carlos Yautepec is 68%.
How many days does it rain in December in San Carlos Yautepec?
In December, in San Carlos Yautepec, the rain falls for 4.8 days. Throughout December, 6mm (0.24") of precipitation is accumulated.
What is the month with the shortest days in San Carlos Yautepec?
December has the shortest days of the year in San Carlos Yautepec, Mexico, with an average of 11h and 12min of daylight.
What is the average length of the day in December in San Carlos Yautepec?
In December, the average day length in San Carlos Yautepec is 11h and 10min.
What time are sunrise and sunset in December in San Carlos Yautepec?
In December, on the first day of the month, sunrise is at 6:37 am and sunset at 5:50 pm. On the last day of the month, in San Carlos Yautepec, sunrise is at 6:52 am and sunset at 6:02 pm CST.
How many hours of sunshine does San Carlos Yautepec have in December?
In December, the average sunshine duration is 8.2h.
What is the month with the lowest UV index in San Carlos Yautepec?
January through March, May, June, August through December, with an average maximum UV index of 6, are months with the lowest UV index in San Carlos Yautepec, Mexico.
What is the UV index intensity in December in San Carlos Yautepec?
In December, the average daily maximum UV index in San Carlos Yautepec, Mexico, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
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
San Carlos Yautepec, Mexico
  • Average high temperature in December: 27.6°C

The warmest month (with the highest average high temperature) is April (29.6°C).
The month with the lowest average high temperature is September (26.9°C).

  • Average low temperature in December: 20.6°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 (20.4°C).

Average pressure in December
San Carlos Yautepec, Mexico
  • Average pressure in December: 1013.6mbar

The month with the highest atmospheric pressure is January (1014.3mbar).
The month with the lowest atmospheric pressure is May (1011.3mbar).

Average wind speed in December
San Carlos Yautepec, Mexico
  • Average wind speed in December: 7.8km/h

The windiest month (with the highest average wind speed) is April (9.3km/h).
The calmest month (with the lowest average wind speed) is October (7.3km/h).

Average humidity in December
San Carlos Yautepec, Mexico
  • Average humidity in December: 68%

The month with the highest relative humidity is September (80%).
The months with the lowest relative humidity are January and March (64%).

Average rainfall in December
San Carlos Yautepec, Mexico
  • Average rainfall in December: 6mm

The wettest month (with the highest rainfall) is September (254mm).
The driest month (with the least rainfall) is January (4mm).

Average rainfall days in December
San Carlos Yautepec, Mexico
  • Average rainfall days in December: 4.8 days

The month with the highest number of rainy days is August (30.3 days).
The month with the least rainy days is February (3.4 days).

Average daylight in December /
Average sunshine in December
San Carlos Yautepec, Mexico
  • Average daylight in December: 11h and 1min

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 and 1min

The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).

Average sunshine days in December
San Carlos Yautepec, Mexico
  • Average sunshine days in December: 23.1 days

The month with the most sunshine days is January (24.8 days).
The months with the least sunshine days are August and September (0.1 days).

Average UV index in December
San Carlos Yautepec, Mexico
  • Average UV index in December: 6

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

Average cloud cover in December
San Carlos Yautepec, Mexico
  • Average cloud cover in December: 9

The months with the most cloud cover are June and September (Cloud cover 38).
The month with the least cloud cover is February (Cloud cover 8).

Average visibility in December
San Carlos Yautepec, Mexico
  • Average visibility in December: 10km

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

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