December weather forecast
Las Rosas, Mexico

December

Weather in December

The first month of the winter, December, is also a moderately hot month in Las Rosas, Mexico, with an average temperature ranging between min 22.2°C (72°F) and max 29.8°C (85.6°F).

Temperature

The transition from November to December brings an average high-temperature of a moderately hot 29.8°C (85.6°F), barely different from November's 30.3°C (86.5°F). Las Rosas experiences an average low-temperature of 22.2°C (72°F) in the month of December.

Heat index

The heat index value for December is computed to be a hot 34°C (93.2°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

In December, the average relative humidity in Las Rosas is 66%.

Rainfall

In Las Rosas, during December, the rain falls for 6.6 days and regularly aggregates up to 15mm (0.59") of precipitation. In Las Rosas, Mexico, during the entire year, the rain falls for 226.9 days and collects up to 1231mm (48.46") of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 12min of daylight.
On the first day of the month, sunrise is at 6:22 am and sunset at 5:35 pm. On the last day of December, in Las Rosas, sunrise is at 6:37 am and sunset at 5:48 pm CST.

Sunshine

In Las Rosas, Mexico, the average sunshine in December is 7.6h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 7 during December, leads to the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

How hot does it get in Las Rosas in December?
An average high-temperature, in December, in Las Rosas, is 29.8°C (85.6°F) and the average low-temperature is 22.2°C (72°F). In December, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is computed to be 34°C (93.2°F).
What is the average humidity in December in Las Rosas?
In Las Rosas, Mexico, the average relative humidity in December is 66%.
How many days does it rain in December in Las Rosas?
In December, the rain falls for 6.6 days. Throughout December, 15mm (0.59") of precipitation is accumulated.
What is the month with the shortest days in Las Rosas?
With an average of 11h and 12min of daylight, December has the shortest days of the year in Las Rosas.
How many hours of daylight does Las Rosas have in December?
The average day length in December in Las Rosas, Mexico, is 11h and 10min.
When are sunrise and sunset in December in Las Rosas?
In December, on the first day of the month, sunrise is at 6:22 am and sunset at 5:35 pm. On the last day of the month, in Las Rosas, Mexico, sunrise is at 6:37 am and sunset at 5:48 pm CST.
How many hours of sunshine does Las Rosas have in December?
The average sunshine duration in December is 7.6h.
What are the months with the highest UV index in Las Rosas?
The months with the highest UV index in Las Rosas, Mexico, are January through December, with an average maximum UV index of 7.
What is the month with the lowest UV index in Las Rosas?
January through December, with an average maximum UV index of 7, are months with the lowest UV index in Las Rosas, Mexico.
What is the UV index intensity in December in Las Rosas?
The average daily maximum UV index in December in Las Rosas, Mexico, is 7. A UV Index reading of 6 to 7 represents a high health threat 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Las Rosas, Mexico
Average temperature in December
Las Rosas, Mexico
  • Average high temperature in December: 29.8°C

The warmest month (with the highest average high temperature) is April (31.8°C).
The month with the lowest average high temperature is October (29.7°C).

  • Average low temperature in December: 22.2°C

The month with the highest average low temperature is May (25.1°C).
The coldest months (with the lowest average low temperature) are January and December (22.2°C).

Average pressure in December - Las Rosas, Mexico
Average pressure in December
Las Rosas, Mexico
  • Average pressure in December: 1013.3mbar

The month with the highest atmospheric pressure is January (1013.8mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).

Average wind speed in December - Las Rosas, Mexico
Average wind speed in December
Las Rosas, Mexico
  • Average wind speed in December: 6.7km/h

The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is November (6.4km/h).

Average humidity in December - Las Rosas, Mexico
Average humidity in December
Las Rosas, Mexico
  • Average humidity in December: 66%

The months with the highest relative humidity are September and October (76%).
The months with the lowest relative humidity are January, February and March (63%).

Average rainfall in December - Las Rosas, Mexico
Average rainfall in December
Las Rosas, Mexico
  • Average rainfall in December: 15mm

The wettest month (with the highest rainfall) is May (244mm).
The driest month (with the least rainfall) is January (6mm).

Average rainfall days in December - Las Rosas, Mexico
Average rainfall days in December
Las Rosas, Mexico
  • Average rainfall days in December: 6.6 days

The month with the highest number of rainy days is May (29.1 days).
The month with the least rainy days is January (3.9 days).

Average daylight in December / Average sunshine in December - Las Rosas, Mexico
Average daylight in December /
Average sunshine in December
Las Rosas, 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: 7h and 4min

The months with the most sunshine are May and July (Average sunshine: 11h and 12min).
The month with the least sunshine is October (Average sunshine: 7h and 6min).

Average sunshine days in December - Las Rosas, Mexico
Average sunshine days in December
Las Rosas, Mexico
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (0.6 days).

Average UV index in December - Las Rosas, Mexico
Average UV index in December
Las Rosas, Mexico
  • Average UV index in December: 7

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

Average cloud cover in December - Las Rosas, Mexico
Average cloud cover in December
Las Rosas, Mexico
  • Average cloud cover in December: 11

The month with the most cloud cover is September (Cloud cover 38).
The months with the least cloud cover are January and December (Cloud cover 11).

Average visibility in December - Las Rosas, Mexico
Average visibility in December
Las Rosas, Mexico
  • Average visibility in December: 10km

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

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