Las Vegas weather in January
January in Las Vegas: cool, dry, with clean air — a great time to visit.
#9 of 12 months in Las Vegas · #266 of 604 destinations to visit in January · comfort 72/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Las Vegas climate normals — January
| Daytime high | 14°C / 57°F | 🙂 cool |
|---|---|---|
| Nighttime low | 4°C / 38°F | |
| Feels like (high) | 10°C / 50°F | |
| Rainfall | 24 mm / 0.9 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 50% | 🍃 comfortable |
| Dew point | -3°C / 26°F | |
| Sunshine | 8.3 h/day | |
| Daylight | 10 h | |
| Wind | 13 km/h / 8 mph | |
| Snowfall | 1.8 cm / 0.7 in | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Las Vegas in January — FAQ
- Is January a good time to visit Las Vegas?
- January in Las Vegas: cool, dry, with clean air — a great time to visit. It ranks #9 of 12 months for Las Vegas on SeasonMap's comfort score (72/100).
- What is the weather like in Las Vegas in January?
- In January, Las Vegas averages a daily high of 13.8°C and a low of 3.5°C, with about 24 mm of rain over roughly 3.6 rainy days.
- What is the air quality in Las Vegas in January?
- Las Vegas has a mean US Air Quality Index of about 40 in January.
- Does it snow in Las Vegas in January?
- Las Vegas sees roughly 1.8 cm of snowfall in January.