Las Vegas weather in January
Las Vegas in January averages 9°C (49°F) and 14 mm of rain. It is one of the driest months of the year here.
Of the twelve months in Las Vegas, January is the coldest and the second wettest.

- Average temp
- 9°C (49°F)
4–14°C · 40–58°F
- Rainfall
- 14 mm
Not much rain
- Sunshine
- —
- Wind
- 10 km/h
What is Las Vegas like in January?
Daytime
Days are cool.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Las Vegas in January?
A warm mid-layer
Nights drop to around 4°C (40°F).
January compared with December and February
January in Las Vegas is about the same temperature as December and about as wet as it, which averages 10°C (49°F).
January in Las Vegas is 2.6°C cooler than February and about as wet as it, which averages 12°C (54°F).
Daylight in Las Vegas in January
On 15 January the sun is up for 9 hours 58 minutes in Las Vegas, rising about 06:50 and setting about 16:49 local time.
January ends 38 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 4 hours 39 minutes short of June, the longest-lit month here.
Where to stay in Las Vegas
Dates are a starting point for January.

Las Vegas weather by month
TemperatureRainfall
How January compares with the rest of the year
January is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 9°C / 49°F | 14 mm |
| February | 12°C / 54°F | 21 mm |
| March | 12°C / 54°F | 11 mm |
| April | 20°C / 68°F | 5 mm |
| May | 25°C / 76°F | 2 mm |
| June | 31°C / 88°F | 1 mm |
| July | 34°C / 92°F | 9 mm |
| August | 32°C / 90°F | 8 mm |
| September | 28°C / 83°F | 8 mm |
| October | 21°C / 70°F | 8 mm |
| November | 14°C / 57°F | 8 mm |
| December | 10°C / 49°F | 11 mm |
Check another month
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FAQs about Las Vegas in January
January climate averages for Las Vegas, 1991–2020.
Las Vegas averages 9°C (49°F) in January, ranging from about 4°C (40°F) at night to 14°C (58°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. January sees only about 14 mm, so rain is unlikely to affect your plans.
No. January averages 9°C (49°F) against 12°C (54°F) in February — 2.6°C cooler.
January is about as warm as December, and about as wet.
It is outside the easiest window. The most comfortable stretch here is April to June; January sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what January is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 9 hours 58 minutes of daylight in mid-January, against 14 hours 37 minutes in June and 9 hours 43 minutes in December.
On 15 January, sunrise is about 06:50 and sunset about 16:49 local time. Both shift across the month — the month ends 38 minutes longer than it starts.





