Las Vegas Weather in January
During January, Las Vegas experiences moderate daytime temperatures of 15°C (59°F) and cooler nights around 3°C (37°F). As part of the winter season, minimal rainfall is to be expected.
Rainfall in Las Vegas in January
The climate data from previous years indicates about 2 days of rain, averaging 8.8 mm (0.3 in) for the month. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.
Temperature in Las Vegas in January
In January, Las Vegas sees moderate temperatures, with highs of 15°C (59°F). Nights drop to around 3°C (37°F). January is typically considered a winter month. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 3°C (37°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Las Vegas in January
There are approximately 239 hours of sunshine this month, resulting in mostly clear days. Despite the cool temperatures, the sunshine makes it an enjoyable time to be outside.
Wind Speed in Las Vegas in January
January has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.If your ideal day consists of dry skies and pleasant temperatures, February, March, April, October and November typically offer the best circumstances for Las Vegas.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Las Vegas's climate page.
Las Vegas Temperature in January
Min Temperature
3°C (37°F)
Max Temperature
15°C (59°F)
Chance of Rain
7%
Precipitation
8.8 mm (0.3 in)
Rainy days
2 days
Humidity
44%
Windspeed
3 m/s (6 knots)
Sunshine
239 hours
Percentage Sunshine
79%
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Las Vegas typically stay consistent throughout January, with daily highs averaging around 15°C (59°F). Nights are cold, with lows typically ranging from 3°C (37°F) to 5°C (41°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Las Vegas in January
Browse day-by-day weather records for Las Vegas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Las Vegas historical weather extremes in January
Our historical data for Las Vegas spans 1976 to 2025, revealing these weather extremes.
- On January 31, 2003, temperatures climbed to 23°C (73°F), marking the warmest January day on record.
- The lowest daytime temperature in January was 1°C (34°F), recorded on January 28, 1979.
- The lowest overnight temperature recorded in January was -7°C (19°F) (January 29, 1979).
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
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What to Wear in Las Vegas in January
The weather can swing between comfortable and chilly in January, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Dry conditions mean you won't need to worry about rain protection. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Las Vegas in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Las Vegas's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Las Vegas climate overview or explore weather in the United States of America.
