Monthly climate ·Las Vegas weather in January
In January, Las Vegas averages around 14° by day and 4° at night, with 4 rain days a month — about a 12% chance of rain on any given day.
By day
14°C
At night
4°C
Daily rain chance
12%
Rain days a month
4
Monthly precipitation
21 mm
Sunshine hours a day
8.6
Average of 2016–2025 (Open-Meteo archive). Typical climate — not a forecast.
Is January a good time to visit Las Vegas?
January is cool in Las Vegas — around 14° by day and 4° at night. Dress in layers; comfortable for city sightseeing.
Every month in Las Vegas
Frequently asked questions
- What is the weather in Las Vegas in January?
- In January, temperatures in Las Vegas average between 4° at night and 14° by day, with 4 rain days a month (average of 2016–2025).
- How much rain falls in Las Vegas in January?
- Las Vegas gets about 21 mm of rain in January on average, spread over roughly 4 rain days.
- Is January a good time to visit Las Vegas?
- January is cool in Las Vegas — around 14° by day and 4° at night. Dress in layers; comfortable for city sightseeing.