December weather forecast
San Nicolás de los Garza, Mexico

December

Weather in December

December, the first month of the winter in San Nicolás de los Garza, is still a refreshing month, with temperature in the range of an average high of 19.5°C (67.1°F) and an average low of 9.5°C (49.1°F).

Temperature

December brings an average high-temperature of a comfortable 19.5°C (67.1°F), nearly identical to the preceding month. In the month of December, San Nicolás de los Garza witnesses a consistent average low-temperature of 9.5°C (49.1°F).

Humidity

In December, the average relative humidity is 59%.

Rainfall

In San Nicolás de los Garza, in December, it is raining for 6 days, with typically 14mm (0.55") of accumulated precipitation. In San Nicolás de los Garza, during the entire year, the rain falls for 158.3 days and collects up to 602mm (23.7") of precipitation.

Snowfall

December is the only month when snow falls in San Nicolás de los Garza. The month with the most snowfall is December, when snow falls for 0.1 days and typically aggregates up to 6mm (0.24") of snow.

Daylight

With an average of 10h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:11 am and sunset at 5:49 pm. On the last day of December, sunrise is at 7:27 am and sunset at 6:01 pm CST.

Sunshine

In San Nicolás de los Garza, the average sunshine in December is 7.2h.

UV index

January and December, with an average maximum UV index of 4, are months with the lowest UV index in San Nicolás de los Garza, Mexico. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 4 during December translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Frequently asked questions

What are the temperatures in San Nicolás de los Garza in December?
In December, in San Nicolás de los Garza, the average high-temperature is 19.5°C (67.1°F), and the average low-temperature is 9.5°C (49.1°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in September is appraised at 30°C (86°F).
What is the average humidity in December in San Nicolás de los Garza?
In San Nicolás de los Garza, Mexico, the average relative humidity in December is 59%.
How much does it rain in San Nicolás de los Garza in December?
In San Nicolás de los Garza, Mexico, in December, during 6 rainfall days, 14mm (0.55") of precipitation is typically accumulated.
When does it snow the most in San Nicolás de los Garza?
December is the month with the most snowfall. Snow falls for 0.1 days and accumulates 6mm (0.24") of snow.
When does it start to snow in San Nicolás de los Garza?
December is the first month it typically snows in San Nicolás de los Garza, Mexico. Throughout December, in the average 0.1 snowfall days, it receives 6mm (0.24") of snow.
What is the month with the shortest days in San Nicolás de los Garza?
With an average of 10h and 36min of daylight, December has the shortest days of the year.
How many hours of daylight does San Nicolás de los Garza have in December?
In December, the average day length is 10h and 34min.
When are sunrise and sunset in December in San Nicolás de los Garza?
In December, on the first day of the month, sunrise is at 7:11 am and sunset at 5:49 pm. On the last day of the month, in San Nicolás de los Garza, sunrise is at 7:27 am and sunset at 6:01 pm CST.
How many hours of sunshine does San Nicolás de los Garza have in December?
In December, the average sunshine duration in San Nicolás de los Garza is 7.2h.
What is the month with the lowest UV index in San Nicolás de los Garza?
The months with the lowest UV index in San Nicolás de los Garza are January and December, with an average maximum UV index of 4.
How high is the UV index in December in San Nicolás de los Garza?
In December, the average daily maximum UV index in San Nicolás de los Garza is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's 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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - San Nicolás de los Garza, Mexico
Average temperature in December
San Nicolás de los Garza, Mexico
  • Average high temperature in December: 19.5°C

The warmest month (with the highest average high temperature) is August (31.7°C).
The month with the lowest average high temperature is January (18.5°C).

  • Average low temperature in December: 9.5°C

The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (8.3°C).

Average pressure in December - San Nicolás de los Garza, Mexico
Average pressure in December
San Nicolás de los Garza, Mexico
  • Average pressure in December: 1018.1mbar

The month with the highest atmospheric pressure is January (1019.5mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).

Average wind speed in December - San Nicolás de los Garza, Mexico
Average wind speed in December
San Nicolás de los Garza, Mexico
  • Average wind speed in December: 7.4km/h

The windiest months (with the highest average wind speed) are June and July (11.9km/h).
The calmest month (with the lowest average wind speed) is December (7.4km/h).

Average humidity in December - San Nicolás de los Garza, Mexico
Average humidity in December
San Nicolás de los Garza, Mexico
  • Average humidity in December: 59%

The month with the highest relative humidity is September (69%).
The month with the lowest relative humidity is April (50%).

Average rainfall in December - San Nicolás de los Garza, Mexico
Average rainfall in December
San Nicolás de los Garza, Mexico
  • Average rainfall in December: 14mm

The wettest month (with the highest rainfall) is May (105mm).
The driest month (with the least rainfall) is February (12mm).

Average rainfall days in December - San Nicolás de los Garza, Mexico
Average rainfall days in December
San Nicolás de los Garza, Mexico
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is September (22.8 days).
The month with the least rainy days is December (6 days).

Average snowfall in December - San Nicolás de los Garza, Mexico
Average snowfall in December
San Nicolás de los Garza, Mexico
  • Average snowfall in December: 6mm

The month with the highest snowfall is December (6mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December - San Nicolás de los Garza, Mexico
Average snowfall days in December
San Nicolás de los Garza, Mexico
  • Average snowfall days in December: 0.1 days

The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December / Average sunshine in December - San Nicolás de los Garza, Mexico
Average daylight in December /
Average sunshine in December
San Nicolás de los Garza, Mexico
  • Average daylight in December: 10h and 4min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).

Average sunshine days in December - San Nicolás de los Garza, Mexico
Average sunshine days in December
San Nicolás de los Garza, Mexico
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is September (5.5 days).

Average UV index in December - San Nicolás de los Garza, Mexico
Average UV index in December
San Nicolás de los Garza, Mexico
  • Average UV index in December: 4

The months with the highest UV index are May and July (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in December - San Nicolás de los Garza, Mexico
Average cloud cover in December
San Nicolás de los Garza, Mexico
  • Average cloud cover in December: 18

The month with the most cloud cover is September (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in December - San Nicolás de los Garza, Mexico
Average visibility in December
San Nicolás de los Garza, 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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