December weather forecast and climate
Las Vegas, NM

Weather in December

December, the first month of the winter, in Las Vegas, is also a wintry month, with temperature in the range of an average low of 23.9°F (-4.5°C) and an average high of 42.1°F (5.6°C).

Temperature

December is the coldest month, with an average high-temperature of 42.1°F (5.6°C) and an average low-temperature of 23.9°F (-4.5°C).

Humidity

January and December, with an average relative humidity of 61%, are most humid months in Las Vegas.

Rainfall

In December, the rain falls for 4.3 days. Throughout December, 0.63" (16mm) of precipitation is accumulated. In Las Vegas, during the entire year, the rain falls for 76.1 days and collects up to 9.17" (233mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Las Vegas. In Las Vegas, in December, during 7.9 snowfall days, 4.8" (122mm) of snow is typically accumulated. Throughout the year, in Las Vegas, there are 34.6 snowfall days, and 21.57" (548mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9.8h of daylight.

Sunshine

In Las Vegas, New Mexico, the average sunshine is 7.1h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Las Vegas?

With an average high-temperature of 42.1°F (5.6°C) and an average low-temperature of 23.9°F (-4.5°C), December is the coldest month in Las Vegas.

What is the temperature in December in Las Vegas?

In Las Vegas, in December, the average high-temperature is 42.1°F (5.6°C), and the average low-temperature is 23.9°F (-4.5°C).

What are the most humid months in Las Vegas?

Months with the highest humidity in Las Vegas, New Mexico, are January and December, with an average relative humidity of 61%.

What is the average humidity in December in Las Vegas?

In December, the average relative humidity in Las Vegas is 61%.

How many days does it rain in December in Las Vegas?

In Las Vegas, in December, it is raining for 4.3 days, with typically 0.63" (16mm) of accumulated precipitation.

How much does it snow in Las Vegas in December?

In Las Vegas, New Mexico, during December, snow falls for 7.9 days and regularly aggregates up to 4.8" (122mm) of snow.

What is the month with the shortest days in Las Vegas?

With an average of 9.8h of daylight, December has the shortest days of the year in Las Vegas, New Mexico.

What is the average length of the day in December in Las Vegas?

In December, the average length of the day in Las Vegas, New Mexico, is 9.8h.

How long on average sun shines in December in Las Vegas?

In Las Vegas, the average sunshine in December is 7.1h.

What are the months with the lowest UV index in Las Vegas?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December in Las Vegas?

The average daily maximum UV index in December in Las Vegas, New Mexico, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in December
Las Vegas, NM

Average temperature in December - Las Vegas, NM
  • Average high temperature in December: 42.1°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (42.1°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

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Average pressure in December
Las Vegas, NM

Average pressure in December - Las Vegas, NM
  • Average pressure in December: 30.09"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is April (29.87").

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Average wind speed in December
Las Vegas, NM

Average wind speed in December - Las Vegas, NM
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

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Average humidity in December
Las Vegas, NM

Average humidity in December - Las Vegas, NM
  • Average humidity in December: 61%

Months with the highest relative humidity are January and December (61%).
Months with the lowest relative humidity are April and June (37%).

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Average rainfall in December
Las Vegas, NM

Average rainfall in December - Las Vegas, NM
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is November (0.47").

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Average rainfall days in December
Las Vegas, NM

Average rainfall days in December - Las Vegas, NM
  • Average rainfall days in December: 4.3 days

The month with the highest number of rainy days is July (11.5 days).
The month with the least rainy days is November (2.6 days).

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Average snowfall in December
Las Vegas, NM

Average snowfall in December - Las Vegas, NM
  • Average snowfall in December: 4.8"

The month with the highest snowfall is January (5.04").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Las Vegas, NM

Average snowfall days in December - Las Vegas, NM
  • Average snowfall days in December: 7.9 days

The month with the highest number of snowfall days is December (7.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Las Vegas, NM

Average daylight in December / Average sunshine in December - Las Vegas, NM
  • Average daylight in December: 9.8h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 7.1h

The month with the most sunshine is June (Average sunshine: 11.9h).
Months with the least sunshine are January and February (Average sunshine: 7).

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Average sunshine days in December
Las Vegas, NM

Average sunshine days in December - Las Vegas, NM
  • Average sunshine days in December: 21.8 days

The month with the most sunshine days is November (24.6 days).
The month with the least sunshine days is July (17.3 days).

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Average UV index in December
Las Vegas, NM

Average UV index in December - Las Vegas, NM
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Las Vegas, NM

Average cloud cover in December - Las Vegas, NM
  • Average cloud cover in December: 20

Months with the most cloud cover are February, July and December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 13).

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Average visibility in December
Las Vegas, NM

Average visibility in December - Las Vegas, NM
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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