Las Vegas in January
In January, Las Vegas averages 15°C (58°F) during the day and 4°C (40°F) at night, with around 6 days of rain (21 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Occasional showers are likely but won't dominate.
January in Las Vegas is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How January compares to the rest of the year in Las Vegas
January is one of the coolest months in Las Vegas (11th of 12) and one of the wettest months (3rd of 12). Daytime temperature runs 12°C below the annual average (27°C). January runs 1°C warmer than December (14°C) and warms a further 3°C into February (18°C).
January sunrise & sunset in Las Vegas
Times shown for Las Vegas local time (America/Los_Angeles), calculated for the 15th of January. They shift by a few minutes day to day across the month.
Photography light in Las Vegas — January
Golden-hour and blue-hour windows for the 15th of January, in Las Vegas's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Las Vegas in January
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on January's tier (Shoulder) and Las Vegas's popularity.
January in United States — events that affect travel
Known cultural, religious, or national events that surge prices, fill hotels, or close businesses during this month. Plan around them, or build your itinerary around the ones you'd like to see.
Major travel surge plus widespread Dec 24-26 and Jan 1 business closures.
Plan: Book flights and hotels well ahead; expect many restaurants/shops closed Dec 25 and Jan 1.
Crowds & pricing — January in Las Vegas
Las Vegas is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — January in Las Vegas
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Las Vegas in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 15°C / 58°F | 4°C / 40°F | 21 mm | 6 | — |
| February | 18°C / 64°F | 6°C / 42°F | 14 mm | 5 | — |
| March | 22°C / 71°F | 10°C / 49°F | 12 mm | 7 | — |
| April | 27°C / 81°F | 14°C / 57°F | 6 mm | 4 | — |
| May | 31°C / 88°F | 18°C / 64°F | 4 mm | 4 | — |
| June | 38°C / 101°F | 24°C / 75°F | 2 mm | 2 | — |
| July | 40°C / 104°F | 27°C / 81°F | 9 mm | 7 | — |
| August | 39°C / 102°F | 26°C / 79°F | 19 mm | 6 | — |
| September | 35°C / 94°F | 22°C / 71°F | 9 mm | 3 | — |
| October | 27°C / 81°F | 15°C / 59°F | 6 mm | 3 | — |
| November | 19°C / 67°F | 8°C / 47°F | 9 mm | 2 | — |
| December | 14°C / 56°F | 4°C / 39°F | 15 mm | 5 | — |
Other cities with similar January weather
🌍 See the full ranked list of climate twins for Las Vegas in January →
Frequently asked questions
How hot is Las Vegas in January?
In January, Las Vegas averages a high of 15°C (58°F) and a low of 4°C (40°F) — generally cool.
Does it rain a lot in Las Vegas in January?
January sees occasional rain in Las Vegas, with about 6 rainy days on average.
Is January a good time to visit Las Vegas?
January is cool. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Las Vegas in January?
Pack a warm jacket and layers. See the full January packing list for Las Vegas for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.