Monthly climate guide
Las Vegas weather in January
January in Las Vegas is typically mild, with average daytime highs around 15°C (59°F) and night-time lows near 3°C (37°F). The month usually brings about 17 mm of rain (very dry) and is a mix of sun and cloud. Daytime highs are about the same as December and 3°C cooler than February.
What stands out in January
- Just 320 km apart, but Las Vegas runs about 4°C cooler than Riverside this month.
- Expect more cloud than at any other time of year.
- Only one month is cooler in Las Vegas than January.
- Evenings cool off sharply: the daily range is around 13°C, so pack a layer.
Avg high
15°C
59°F
Avg low
3°C
37°F
Rainfall
17 mm
very dry
Humidity
46%
relative
Sky
45%
cloud · a mix of sun and cloud
Las Vegas weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 15°C / 59°F | 3°C / 37°F | 17 mm | 46% | 45% |
| February | 18°C / 64°F | 4°C / 39°F | 15 mm | 41% | 39% |
| March | 22°C / 72°F | 8°C / 46°F | 13 mm | 36% | 46% |
| April | 27°C / 80°F | 11°C / 52°F | 9 mm | 28% | 38% |
| May | 31°C / 88°F | 15°C / 59°F | 6 mm | 24% | 35% |
| June | 39°C / 102°F | 22°C / 71°F | 1 mm | 14% | 23% |
| July | 40°C / 105°F | 25°C / 78°F | 17 mm | 23% | 36% |
| August | 40°C / 103°F | 25°C / 77°F | 18 mm | 24% | 31% |
| September | 35°C / 96°F | 21°C / 69°F | 10 mm | 26% | 24% |
| October | 28°C / 83°F | 14°C / 57°F | 10 mm | 27% | 26% |
| November | 21°C / 69°F | 7°C / 45°F | 12 mm | 33% | 34% |
| December | 14°C / 58°F | 2°C / 36°F | 13 mm | 43% | 44% |
What to pack for January
- A warm sweater or fleece for layering
- A mid-weight jacket
- An extra layer — evenings are noticeably cooler than afternoons
Is January a good time to visit Las Vegas?
Compare the months in the chart above to find your ideal window.
Best time to visit Las Vegas →Other United States cities in January
Cite or embed this data
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Las Vegas weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/las-vegas/january
<a href="https://weathercompare.eu/weather/usa/las-vegas/january">Las Vegas weather in January</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/usa/las-vegas" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Las Vegas weather in January"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/usa/las-vegas/january">Las Vegas weather in January</a> – WeatherCompare</p>
Las Vegas in January: quick answers
Is January a good time to visit Las Vegas?
January is a reasonable time for Las Vegas: highs around 15°C and about 17 mm of rain, though not one of the three best months.
How warm is Las Vegas in January?
Average highs are about 15°C (59°F) and average lows about 3°C (37°F), based on 10 years of daily data.
Does it rain a lot in Las Vegas in January?
Las Vegas typically gets around 17 mm of rain in January — very dry.
Figures are long-term averages for the area around Las Vegas (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.