Las Vegas Weather by Month

Las Vegas sits in the Mojave Desert at 610m (2,001 ft) elevation, giving it a subtropical hot desert climate (Koppen BWh). The city averages 3,825 hours of sunshine per year, about 85% of possible daylight, and receives just 106mm (4.2 inches) of annual rainfall, making it the driest major city in the United States. Humidity rarely exceeds 25% during summer afternoons. This guide breaks down Las Vegas weather month by month with temperature data, rainfall averages, and what to expect so you can plan your trip around the desert conditions.

Las Vegas Weather in January

January is the coldest month in Las Vegas with average highs of 14°C (58°F) and overnight lows dropping to 2°C (36°F). Frost is possible on the coldest mornings but daytime temperatures usually climb enough for comfortable outdoor exploring. Rainfall averages 13mm (0.5 inches) across 3 rainy days. You will need a jacket for evenings and early mornings, especially if walking the Strip after dark. Pool season is closed at all resorts during January. Indoor attractions like casinos, shows, and the city’s indoor attractions are the main draw this month. For help choosing when to come, see the best time to visit Las Vegas guide.

Las Vegas Weather in February

February brings a slight warmup with average highs reaching 17°C (62°F) and lows around 4°C (40°F). Rainfall stays low at 12mm (0.5 inches) across 3 rainy days. Sunny days dominate but occasional winter storms can push through from the Pacific, bringing gusty winds and a sharp temperature drop for 24 to 48 hours. This is a solid month for hiking Red Rock Canyon if you start early, since daytime temperatures are pleasant. Hotel rates remain low compared to spring and fall. Most resort pools are still closed.

Las Vegas Weather in March

March sees a significant shift with average highs climbing to 21°C (70°F) and lows at 8°C (46°F). Rainfall is 11mm (0.4 inches) across 3 days. Some resort pools begin opening mid-month, starting with heated pools at properties like Mandalay Bay and MGM Grand. This is the beginning of the spring travel season and the first month where outdoor dining on the Strip is genuinely comfortable. March is one of the best months for hiking and outdoor activities like visiting Hoover Dam or Red Rock Canyon before temperatures become too intense.

Las Vegas Weather in April

April averages highs of 26°C (79°F) and lows of 12°C (53°F). Rainfall drops to just 4mm (0.15 inches) across 2 days. Wind can be notable this month, with sustained speeds of 15 to 25 km/h (10 to 15 mph) common in the afternoons. All resort pools are open by mid-April. This is one of the best months overall for Las Vegas weather: comfortable day and night, with the pool season beginning but extreme heat still weeks away. Hotel rates rise compared to winter but are lower than the fall convention season.

Las Vegas Weather in May

May brings the first real heat with average highs of 32°C (89°F) and lows of 17°C (63°F). Rainfall is virtually zero at 3mm (0.1 inches) across 1 day. By late May, daytime temperatures regularly touch 35°C (95°F). Pool season is in full swing and pool parties at dayclubs like Encore Beach Club and Wet Republic run every weekend. The Electric Daisy Carnival (EDC) typically happens in mid-May, drawing 150,000+ attendees per night. If you are not accustomed to desert heat, May is the last month before truly intense summer temperatures arrive.

Las Vegas Weather in June

June is the first month of extreme summer heat. Average highs reach 38°C (100°F) and lows stay warm at 22°C (72°F). Rainfall is just 2mm (0.1 inches) on 1 day. Multiple days above 43°C (110°F) are common by mid-June. The sun is intense between 11am and 5pm and you should limit outdoor exposure during those hours. Walking the Strip during midday is brutal: the concrete and asphalt radiate heat well into the evening. If you visit in June, book a hotel with a good pool and plan indoor activities during the day. The dry heat means 38°C here feels different from 38°C in a humid climate, but it is still dangerously hot if you are not careful with hydration and sun protection.

Las Vegas Weather in July

July is the hottest month in Las Vegas. Average highs sit at 41°C (106°F) and overnight lows only drop to 26°C (78°F). The all-time record is 47°C (117°F) set on multiple occasions. Rainfall is 11mm (0.4 inches) from monsoon thunderstorms that can roll in during late afternoons, bringing brief but intense downpours, dust storms (haboobs), and lightning. These storms are sporadic and usually pass within an hour. July is the cheapest month for hotel rooms because the heat keeps many travelers away: you can find Strip hotel rooms for under US$50 midweek. If you can handle the heat, July offers the best value of the year.

Las Vegas Weather in August

August is nearly identical to July with average highs of 40°C (104°F) and lows of 25°C (77°F). The monsoon pattern continues with 13mm (0.5 inches) of rain across 3 days, the highest rainfall month of the year. Thunderstorms are more frequent in August than July and can cause flash flooding in the surrounding desert, closing trails in Red Rock Canyon and Valley of Fire. Hotel rates remain low through August. Late August sees a slight cooling trend begin, especially in the mornings.

Las Vegas Weather in September

September marks the beginning of the fall cooldown. Average highs drop to 35°C (95°F) and lows to 21°C (69°F). Rainfall is 8mm (0.3 inches) across 2 days. Early September still feels like summer with highs above 38°C (100°F) common in the first week. By late September, daytime temperatures are much more manageable in the low 30s C (upper 80s F). This is the start of convention season and hotel rates begin climbing. The Life is Beautiful festival runs in late September in Downtown Las Vegas.

Las Vegas Weather in October

October is one of the best weather months in Las Vegas. Average highs are 27°C (81°F) and lows drop to 13°C (56°F). Rainfall is just 7mm (0.3 inches) across 2 days. This is peak season for outdoor weddings, golf, and hiking. Pool season winds down with most pools closing by late October. Halloween on the Strip is a major event with costume parties at every nightclub. Hotel rates are high throughout October due to conventions and pleasant weather.

Las Vegas Weather in November

November brings cooler conditions with average highs of 19°C (66°F) and lows of 6°C (43°F). Rainfall is 9mm (0.35 inches) across 2 days. Pools are closed for the season. This is a good month for outdoor activities like Grand Canyon helicopter tours and desert hiking since daytime temperatures are ideal. Thanksgiving week sees a major spike in visitors and hotel rates. November also kicks off the holiday display season at casinos like Bellagio and Wynn.

Las Vegas Weather in December

December averages highs of 13°C (56°F) and lows of 2°C (36°F). Rainfall is 13mm (0.5 inches) across 3 days. Snow is extremely rare on the Strip (the last measurable snowfall was 2008) but the surrounding mountains often get snow, visible from the city. The National Finals Rodeo in early December fills hotels citywide. Christmas week is busy with families taking advantage of school breaks. New Year’s Eve on the Strip draws 300,000+ people and the Strip closes to vehicle traffic. Hotel rates for December 31 are the highest of the year, often 3 to 5 times normal rates. For practical advice on navigating the city, check the Las Vegas travel tips guide.

Las Vegas Monthly Weather at a Glance