Las Vegas, Nevada weather in January

Averages from 2021–2025 (155 days of record).

Average high: 57°F
Average low: 38°F
Rainy days: ~3 per month
Total precipitation: 0.6 in
Warmest recorded: 71°F
Coldest recorded: 24°F

Expect January days in Las Vegas, Nevada to top out around 57°F and cool to about 38°F overnight, with roughly 3 days of measurable rain across the month. In recent years January has ranged from 24°F to 71°F.

Other months

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Current Las Vegas, Nevada forecast → · Historical data by Open-Meteo (ERA5).