December weather forecast
Las Vegas, NM

Weather in December

December, the first month of the winter in Las Vegas, is also a wintry month, with an average temperature fluctuating between 23.9°F (-4.5°C) and 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 the most humid months in Las Vegas.

Rainfall

In Las Vegas, it is raining for 4.3 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 76.1 rainfall days, and 9.17" (233mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, in Las Vegas, it is snowing for 7.9 days. Throughout December, 4.8" (122mm) of snow is accumulated. In Las Vegas, New Mexico, during the entire year, snow falls for 34.6 days and aggregates up to 21.57" (548mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 6:52 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 4:57 pm MST.

Sunshine

In December, the average sunshine is 7.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
[Resources]

FAQ

What is the coldest month in Las Vegas?

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

What is the temperature in December in Las Vegas?

The average high-temperature, in December, is 42.1°F (5.6°C), while the average low-temperature is 23.9°F (-4.5°C). in July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 82.4°F (28°C).

What is the most humid month in Las Vegas?

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

What is the average humidity in December in Las Vegas?

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

How much does it rain in Las Vegas in December?

In December, the rain falls for 4.3 days. Throughout December, 0.63" (16mm) of precipitation is accumulated.

How much does it snow in Las Vegas in December?

In Las Vegas, in December, snow falls for 7.9 days, with typically accumulated 4.8" (122mm) of snow.

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

With an average of 9h and 48min of daylight, December has the shortest days of the year in Las Vegas.

How many hours of daylight does Las Vegas have in December?

In December, the average day length in Las Vegas is 9h and 48min.

When are sunrise and sunset in December in Las Vegas?

In December, on the first day of the month, sunrise is at 6:52 am and sunset at 4:47 pm. On the last day of the month, in Las Vegas, sunrise is at 7:10 am and sunset at 4:57 pm MST.

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

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

When is the lowest UV index in Las Vegas?

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

How high is the UV index in December in Las Vegas?

The average daily maximum UV index in December in Las Vegas, New Mexico, is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

[Resources]

Average pressure in December
Las Vegas, NM

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

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

[Resources]

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).

[Resources]

Average humidity in December
Las Vegas, NM

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

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

[Resources]

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").

[Resources]

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).

[Resources]

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").
The months with the least snowfall are June, July, August and September (0").

[Resources]

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).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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: 9h and 48min

The month with the longest days is June (Average daylight: 14h and 32min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 7h and 6min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and February (Average sunshine: 7h and 0min).

[Resources]

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).

[Resources]

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).
The months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in December
Las Vegas, NM

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

The 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).

[Resources]

Average visibility in December
Las Vegas, NM

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

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location