The weather in January in Las Vegas

It's cold in January in Las Vegas with an average temperature of 8°C. Temperatures this month range from a low of 5°C to a high of 12°C. At night, you can expect temperatures between -10°C and -3°C.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Las Vegas, New Mexico. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 20°C in 2018, Las Vegas reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was -12°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of -20°C to a highest value of 7°C.

Precipitation and snowfall

In January, there is an average of 8,3 mm of precipitation, spread over 2 days. Of the total precipitation, about 7,6 cm falls as snow in January. The wind speed is around 5 Bft, mostly coming from the South.

Daily weather in January for Las Vegas

Click on any day in January to get detailed info about the usual weather on that day in Las Vegas. Check out the historical temperatures and precipitation over the past 10 years on this day.

January weather comparison

  Las Vegas New York
Average temperature 8°C 5°C
Max. temperature 12°C 11°C
Min. temperature -10°C -5°C
Total precipitation 8,3 mm 97 mm
Rainy days 2 days 12 days
Total snowfall 7,6 cm 16 cm
Snowy days 4 days 8 days

Start of January

The month of January starts in Las Vegas with cold temps, averaging around 9°C during the day and nights around -6°C.

Mid January

By mid-January, daytime temps rise to around 10°C, with nights around -4°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of January

By the end of January, the average daytime temperature in Las Vegas is around 9°C, while nighttime temps are about -6°C. No precipitation expected at the end of the month; it’ll be mostly sunny.

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UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

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Temperature charts

These charts show the average temperatures in January in Las Vegas, New Mexico. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in January in Las Vegas

Temperature in January in Las Vegas over the years

Precipitation charts

These charts show the average amount of precipitation in January in Las Vegas, New Mexico. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in January in Las Vegas

Total precipitation in January in Las Vegas over the years

Daily Snowfall in January in Las Vegas

Snowfall in January in Las Vegas per year

Daily UV index in January in Las Vegas

This chart shows the average daily UV index in January in Las Vegas, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in January in Las Vegas

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Average weather in Las Vegas by month

Click on a month below to see detailed weather info for Las Vegas. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.