Extreme Heat Warning
* WHAT...Dangerously hot conditions with highs 110 to 120 degrees
across the Mojave Desert. Highs 95 to 105 degrees across most of
the southern Great Basin and Arizona Strip. Little to no overnight
relief is expected, particularly in the Mojave Desert where lows of
80 to 95 degre…
Tomorrow in Las Vegas looks
sunny, with a high of 109°
and an overnight low of 85°.
Precipitation chance is modest at 17%.
Winds top out near 15 mph,
and the UV index reaches 10 (very high).
Located in Nevada, United States, Las Vegas experiences a hot desert climate with intense summer heat, mild winters and very little rain. Afternoon temperatures peak near 105°F (41°C) in July and dip to about 57°F (14°C) in December, with around 4.8 inches (123 mm) of precipitation falling across the year.
Las Vegas weather: quick facts
Hottest month: July - highs near 105°F (41°C)
Coldest month: December - highs near 57°F (14°C)
Record high: 117°F (47°C) · Record low: 24°F (-4°C) (2015–2024)
Wettest month: January (4 rainy days) · Sunniest: June (13.7 h sun/day)
Climate type:hot desert - intense summer heat, mild winters and very little rain
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 105°F (41°C) and overnight lows stay near 82°F (28°C). The coolest month is December, with typical highs of 57°F (14°C) and lows around 39°F (4°C). Based on 2015–2024 weather data, temperatures have reached as high as 117°F (47°C) and dropped as low as 24°F (-4°C).
Rain, sun and snow
January is usually the wettest month. It brings about 0.9 inches (23 mm) of rain over 4 days, while June is the driest. June brings the most sunshine, averaging 13.7 hours of sun a day. Snowfall is rare but not unheard of.
Season by season
Spring (March through May)
Spring in Las Vegas is pleasantly warm, with daytime highs averaging 80°F (26°C) and nights around 57°F (14°C); precipitation is infrequent.
Summer (June through August)
Summer in Las Vegas turns very hot, with daytime highs averaging 103°F (40°C) and nights around 79°F (26°C); precipitation is infrequent.
Fall (September through November)
Fall in Las Vegas brings hot afternoons, with daytime highs averaging 82°F (28°C) and nights around 59°F (15°C); precipitation is infrequent.
Winter (December through February)
Winter in Las Vegas stays on the cool side of mild, with daytime highs averaging 59°F (15°C) and nights around 40°F (5°C); rain falls on about 10 days over the three months.
Average temperatures in Las Vegas by month
Monthly averages for Las Vegas based on 2015–2024 weather data.
July is the hottest month in Las Vegas, with average highs of 105°F (41°C) and overnight lows near 82°F (28°C). In the past decade the temperature has peaked at 117°F (47°C).
What is the coldest month in Las Vegas?
December is the coldest month, with highs averaging 57°F (14°C) and lows around 39°F (4°C). The lowest reading in recent years was 24°F (-4°C).
What is the rainiest month in Las Vegas?
January is typically the wettest month, averaging 0.9 inches (23 mm) of precipitation across about 4 days. June is usually the driest.
Does it snow in Las Vegas?
Snow is essentially absent in Las Vegas - the 2015–2024 record shows no regular measurable snowfall.
What is the best time to visit Las Vegas?
The best time to visit Las Vegas is generally February to April and October to November, when temperatures are at their most comfortable before or after the peak heat. Daytime temperatures in that window typically sit near 73°F (23°C).
How sunny is Las Vegas?
Las Vegas averages 11.1 hours of sunshine per day across the year. June is the sunniest month at about 13.7 hours of sun a day.
Is Las Vegas humid?
Relative humidity in Las Vegas averages about 28% over the year, which feels dry. The most comfortable months tend to fall in the drier part of the year.