Las Vegas weather in January
January is a fair month to visit Las Vegas: highs of 14°C (57°F) and about 18 mm (0.7 in) of rain on average. Nights average 1°C (35°F) and cloud cover 47% (NASA POWER, 2001–2025 averages). It is the 2nd wettest month of the year and the 2nd coolest. Compared with December, it is warmer and about as wet; February brings highs of 16°C (62°F) and 23 mm (0.9 in) of rain.
Is January a good time to visit Las Vegas?
fair month Weather score 69/100.
January is a fair month in Las Vegas. The weather is usually best in Mar–May, Oct–Nov.
Does it rain a lot in Las Vegas in January?
No, it is usually dry: about 18 mm (0.7 in) falls in an average January. It is the 2nd wettest month of the year.
How warm is Las Vegas in January?
Days average 14°C (57°F) and nights 1°C (35°F).
Las Vegas weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 14°C (57°F) | 1°C (35°F) | 18 mm | 47% | fair |
| February | 16°C (62°F) | 3°C (37°F) | 23 mm | 48% | fair |
| March | 22°C (71°F) | 7°C (44°F) | 12 mm | 45% | best |
| April | 26°C (79°F) | 11°C (51°F) | 8 mm | 40% | best |
| May | 32°C (90°F) | 16°C (61°F) | 3 mm | 35% | best |
| June | 39°C (102°F) | 22°C (71°F) | 1 mm | 25% | fair |
| July | 41°C (106°F) | 26°C (79°F) | 15 mm | 38% | least pleasant |
| August | 40°C (103°F) | 25°C (77°F) | 15 mm | 33% | least pleasant |
| September | 35°C (96°F) | 21°C (69°F) | 9 mm | 24% | fair |
| October | 27°C (81°F) | 13°C (56°F) | 13 mm | 32% | best |
| November | 20°C (67°F) | 6°C (43°F) | 12 mm | 39% | best |
| December | 13°C (55°F) | 1°C (34°F) | 18 mm | 50% | fair |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months