December weather forecastLas Vegas, NM
December
Weather in December
December completes the seasonal cycle, bringing Las Vegas, New Mexico firmly into winter’s hold. The average high drops to 42.1°F (5.6°C), in stark contrast with November's 52.5°F (11.4°C). Snowfall increases up to 4.8" (122mm), offering a wintry landscape. Despite the cold, the holiday spirit and festive decorations make December a charming month in Las Vegas.Temperature
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.Humidity
The months with the highest humidity in Las Vegas are January and December, with an average relative humidity of 61%.Rainfall
In Las Vegas, in December, during 4.3 rainfall days, 0.63" (16mm) of precipitation is typically 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
Months with snowfall are January through May, October through December. In December, it is snowing for 7.9 days. Throughout December, 4.8" (122mm) of snow is accumulated. Throughout the year, 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 9h and 48min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:10 am and sunset at 4:58 pm MST.
Sunshine
In December, the average sunshine in Las Vegas is 7.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
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 30min).
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).
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).
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).
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).
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).
