Las Vegas Weather: A Month-by-Month Guide

Here is the quick plan by season. Each step below has the details.

Step 1: Read the Las Vegas weather by month

The normal daily high in Las Vegas runs from 57°F in December to 105°F in July. The table uses National Weather Service averages for 1991 to 2020, so it shows a typical day, not a forecast.

The National Weather Service Las Vegas office publishes these averages in its July climate book and in one book for each other month. The same book lists an all-time record high of 120°F, set on July 7, 2024.

Key Takeaway The mild stretch runs March to May and October to November, when normal highs sit between 67°F and 89°F. Summer highs of 95°F to 105°F start in June and last through September.

Step 2: Plan summer Las Vegas weather around the heat (June to September)

In summer, spend the cool hours outside and the hot hours indoors. Highs average 99°F in June, 105°F in July, 103°F in August and 95°F in September. Even the low is 76°F to 82°F in the three hottest months, so evenings stay warm. The air is very dry, though. The National Weather Service calls the area the driest major city in the continental United States, so sweat dries fast and you may not notice how much water you lose. Carry water all day.

Pool season is the reward for that heat. Plan a pool party in Las Vegas for the morning, before the afternoon highs. If you want several dayclubs in one day without planning each entry, the Vegas pool crawl is a four-hour option from €87 per person. Guests must be 21 or older.

Afternoons are the hard part. A walk of 20 minutes can feel long at 105°F, so move indoors from about noon. Indoor picks such as Flyover Las Vegas tickets fill that gap. The Flyover flying theater is a 30-minute ride from €26 per person, and the operator lists it as unsuitable for people with motion sickness, heart or back problems, or a fear of heights.

Pro Tip In July, the normal high reaches 105°F, so book your pool time before noon and your show or indoor ride for 1 p.m. to 5 p.m.

Heat is a money question too. Our page on Las Vegas hotel prices shows what a stay costs, so you can weigh a summer trip against a milder month.

Things to Do in Las Vegas's count of GetYourGuide listings in October 2026 found 57 of 309 listings are day trips out of town and 95 are entry tickets, many of them indoors on the Strip. In summer, the indoor tickets do most of the work.

In a desert city, the hour of the day matters as much as the month.

Step 3: Use spring and fall for the desert (March to May, October to November)

The best months for desert trips are March to May and October to November. Daytime temperatures average 71°F in March, 78°F in April, 89°F in May, 81°F in October and 67°F in November. That is warm enough for short sleeves and cool enough to hike.

Valley of Fire State Park shows why timing matters. Nevada State Parks says many trails close from May 15 to September 30 because of heat, including White Domes, Fire Wave and Seven Wonders. The whole park also closes from December 1 to 14 each year for maintenance. So the full trails are open from October 1 to November 30, and again from December 15 to May 14.

A guided trip takes the driving off your hands in those months. The Valley of Fire small-group day trip runs 6 hours with hotel pickup, the park entry ticket and a deli lunch, from €88 per person. It is a small group of up to 13 people. Tips are not included. If you have a car and like to plan, you can drive there yourself and pay the park fee at the gate. The tour is worth the price if you would rather not drive the desert road or find parking at each stop.

Red Rock Canyon also has a rule tied to the season. From October 1 to May 31, you need a timed-entry reservation to drive the Scenic Drive between 8 a.m. and 5 p.m. For more routes and distances, see the full list of national park tours from Las Vegas.

Step 4: Pack for cool Las Vegas weather in winter (December to February)

Winter days are cool, and nights are cold enough for a jacket, so pack layers: a warm top, a jacket and long trousers for the evening. December averages 57°F, January 58°F and February 63°F. Lows run 40°F to 44°F.

Winter is also the time for Death Valley. The National Park Service warns that summer highs there can reach 130°F, with nights as warm as 90°F, and asks visitors to avoid hiking at low elevations in the heat. The Death Valley guided day tour runs 12 hours in a group of up to 12, from €156 per person with hotel pickup and park entry included. The operator lists it as unsuitable for people with a low level of fitness or heart or back problems.

For the Strip itself, plan walking in the afternoon, when it is warmest, and keep evenings for indoor shows and dinner.

When Las Vegas weather normals fall short

A normal is a 30-year average, so any single day can be far hotter or cooler. The July record of 120°F is 15°F above the July normal. These averages also say nothing about wind, storms or air quality. Check the National Weather Service forecast three to five days before you go.

Rain is rare. A normal year brings about 4.18 inches, from the National Weather Service 1991 to 2020 normals. February is the wettest month at 0.80 inches, January follows at 0.56, and June is the driest at 0.04. The summer monsoon, a push of moisture, usually arrives in July and August and fades by September; July and August normals are 0.38 and 0.32 inches, but a single storm can drop that fast and flood washes. Mountains block most other storms.

Wind is most common in spring and fall. The National Weather Service says strong winds from cold-season storms can show up from late September to early June. Winds over 50 mph are infrequent, but they lift dust and sand, which can make driving hard. No official page lists dust storms by month. The same goes for temperatures inside the Sphere, which its official site does not publish.