January weather forecast
Las Vegas, NM

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Weather in January

Turning the calendar to January brings cooler temperatures to Las Vegas, New Mexico. Shifting from the chilliness of December, January sees an average high of 42.4°F (5.8°C) and a low of 24.3°F (-4.3°C), along with an increased relative humidity of 61%. The city is often blanketed in snow, marking the start of a new year with a fresh, white canvas. Clear nights for stargazing are also common in this month, due to the lower percentage of cloud cover.

Temperature

The beginning of January in Las Vegas records an average high-temperature of a still wintry 42.4°F (5.8°C), marking a negligible difference from December's 42.1°F (5.6°C). In January, the average low-temperature in Las Vegas records at a freezing cold 24.3°F (-4.3°C) during the nights.

Humidity

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

Rainfall

In Las Vegas, New Mexico, during January, the rain falls for 3.4 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, in Las Vegas, 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. The month with the most snowfall in Las Vegas, New Mexico, is January, when snow falls for 7.1 days and typically aggregates up to 5.04" (128mm) of snow.

Daylight

In January, the average length of the day is 10h and 5min.
On the first day of the month, sunrise is at 7:10 am and sunset at 4:58 pm. On the last day of January, sunrise is at 7:01 am and sunset at 5:27 pm MST.

Sunshine

January and February, with an average of 7h of sunshine, are months with the least sunshine.

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 reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January in Las Vegas?

The high-temperature, in January, in Las Vegas, is 42.4°F (5.8°C), while the low-temperature averages to 24.3°F (-4.3°C).

What are the most humid months in Las Vegas?

The months with the highest humidity are January and December, with an average relative humidity of 61%.

What is the average humidity in January in Las Vegas?

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

How much does it rain in Las Vegas in January?

In January, the rain falls for 3.4 days. Throughout January, 0.63" (16mm) of precipitation is accumulated.

What is the snowiest month in Las Vegas?

January is the month with the most snowfall in Las Vegas. Snow falls for 7.1 days and accumulates 5.04" (128mm) of snow.

How much does it snow in Las Vegas in January?

In Las Vegas, during January, snow falls for 7.1 days and regularly aggregates up to 5.04" (128mm) of snow.

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

In January, the average day length in Las Vegas, New Mexico, is 10h and 5min.

When is the sunrise / sunset in January in Las Vegas?

In January, on the first day of the month, sunrise is at 7:10 am and sunset at 4:58 pm. On the last day of the month, in Las Vegas, sunrise is at 7:01 am and sunset at 5:27 pm MST.

What are the months with the least sunshine in Las Vegas?

The months with the least sunshine in Las Vegas are January and February, with an average of 7h of sunshine.

How many hours of sunshine does Las Vegas have in January?

In January, the average sunshine duration in Las Vegas, New Mexico, is 7h.

What is the month with the lowest UV index in Las Vegas?

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

What is the UV index intensity in January in Las Vegas?

The average daily maximum UV index in January in Las Vegas, New Mexico, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Las Vegas, NM

Average temperature in January - Las Vegas, NM
  • Average high temperature in January: 42.4°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 January: 24.3°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 January
Las Vegas, NM

Average pressure in January - Las Vegas, NM
  • Average pressure in January: 30.13"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 January
Las Vegas, NM

Average wind speed in January - Las Vegas, NM
  • Average wind speed in January: 9.1mph

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 January
Las Vegas, NM

Average humidity in January - Las Vegas, NM
  • Average humidity in January: 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 January
Las Vegas, NM

Average rainfall in January - Las Vegas, NM
  • Average rainfall in January: 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 January
Las Vegas, NM

Average rainfall days in January - Las Vegas, NM
  • Average rainfall days in January: 3.4 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 January
Las Vegas, NM

Average snowfall in January - Las Vegas, NM
  • Average snowfall in January: 5.04"

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 January
Las Vegas, NM

Average snowfall days in January - Las Vegas, NM
  • Average snowfall days in January: 7.1 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 January /
Average sunshine in January
Las Vegas, NM

Average daylight in January / Average sunshine in January - Las Vegas, NM
  • Average daylight in January: 10h and 1min

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 January: 7h and 0min

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 January
Las Vegas, NM

Average sunshine days in January - Las Vegas, NM
  • Average sunshine days in January: 22.8 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 January
Las Vegas, NM

Average UV index in January - Las Vegas, NM
  • Average UV index in January: 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 January
Las Vegas, NM

Average cloud cover in January - Las Vegas, NM
  • Average cloud cover in January: 18

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 January
Las Vegas, NM

Average visibility in January - Las Vegas, NM
  • Average visibility in January: 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).

Las Vegas, New Mexico, USA

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