United States Las Vegas Weather in July — Climate Guide
July in Las Vegas is Difficult
July is Difficult for Las Vegas.
July is the second hottest month — 41°C average + occasional monsoon thunderstorms. Heatwaves to 45°C+ common. Outdoor activity dangerous 10:00-19:00.
July 4 Independence Day fireworks across Strip — Mandalay Bay, Caesars Palace, Stratosphere host shows. Hotels + restaurants book solid that week.
Travel score
Las Vegas July Weather Stats
Avg High
41°C
Avg Low
27°C
Rainy Days
1
8mm total
Sunshine
12h
Daily avg
Humidity
28%
Very Hot
UV Index
11
Extreme
Wind
13 km/h
Gusts 30
Sea Temp
0°C
Avg water temp
Crowds
Very busy
At attractions
July Sunrise & Sunset
Air Quality
PM2.5
45 μg/m³
PM10
90 μg/m³
Status
Moderate
Feels-Like Temperature & Wind
Feels like
Daytime
45°C
Nighttime
27°C
Humidity and wind affect how the actual temperature feels.
Wind
13 km/h
Max gust 30 km/h
Activities Recommended for July
July Travel Pros & Cons
Pros
- July 4 fireworks
- Hotel deals starting (off-Coachella, off-CES)
- Long daylight + pool weather
Cons
- Hottest temperatures of the year
- All outdoor activities off-limits 10-19:00
- Monsoon thunderstorms
July Events & Festivals
- July 4 Independence Day fireworks
- Yearly heatwave peak
- Monsoon season starts (occasional thunderstorms)
Las Vegas in July — Full Picture
July is the second hottest month — 41°C average + occasional monsoon thunderstorms. Heatwaves to 45°C+ common. Outdoor activity dangerous 10:00-19:00.
July 4 Independence Day fireworks across Strip — Mandalay Bay, Caesars Palace, Stratosphere host shows. Hotels + restaurants book solid that week.
Day trips: only Hoover Dam morning visits + Grand Canyon air tours (helicopter from Henderson) work. Death Valley, Zion, Red Rock all dangerous in July daytime.
What to Wear & What to Pack
Lightest possible clothing + sun hat + sunglasses. Sunscreen SPF 50+ reapply every 2 hours. Hydration mandatory.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
26.7°C
13.3°C
1.3/mo
Summer (Jun·Jul·Aug)
Current39.7°C
25.7°C
1/mo
Autumn (Sep·Oct·Nov)
27°C
14°C
1.3/mo
Winter (Dec·Jan·Feb)
15°C
3.7°C
3/mo
Las Vegas Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 14° | 3° | 3d·12mm | 7.5h | 47% | 3 | Moderate | Shoulder | |
| 17° | 5° | 3d·12mm | 8h | 41% | 4 | Moderate | Shoulder | |
| March (Best) | 22° | 9° | 2d·12mm | 9h | 35% | 6 | Busy | Peak |
| April (Best) | 26° | 13° | 1d·6mm | 10h | 28% | 8 | Busy | Peak |
| May (Best) | 32° | 18° | 1d·2mm | 11h | 23% | 10 | Busy | Peak |
| 38° | 24° | 0d·1mm | 11.5h | 19% | 11 | Very busy | Peak | |
| 41° | 27° | 1d·8mm | 12h | 28% | 11 | Very busy | Peak | |
| 40° | 26° | 2d·12mm | 11.5h | 32% | 10 | Very busy | Peak | |
| 35° | 21° | 1d·6mm | 11h | 30% | 9 | Busy | Shoulder | |
| October (Best) | 27° | 14° | 1d·5mm | 10h | 33% | 6 | Moderate | Shoulder |
| 19° | 7° | 2d·5mm | 9h | 39% | 4 | Moderate | Shoulder | |
| 14° | 3° | 3d·12mm | 7.5h | 47% | 3 | Very busy | Peak |
View Other Months
Las Vegas July Hotel Picks
Frequently Asked Questions
Is July a good time to visit Las Vegas?
Las Vegas in July is Difficult. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Las Vegas in July?
Las Vegas July averages a high of 41°C and a low of 27°C.
Does it rain much in Las Vegas in July?
Las Vegas July averages 8mm of rainfall over about 1 rainy days.
What should I wear in Las Vegas in July?
Lightest possible clothing + sun hat + sunglasses. Sunscreen SPF 50+ reapply every 2 hours. Hydration mandatory.
What time are sunrise and sunset in Las Vegas in July?
Las Vegas July sunrise is 05:32 and sunset is 19:55, with 14h 23m of daylight.
What's the air quality like in Las Vegas in July?
Las Vegas July air quality (AQI) averages 95, rated Moderate. PM2.5 averages 45μg/m³.
What activities are recommended in Las Vegas in July?
In July, Las Vegas is great for Pool + dayclubs (peak), Indoor casinos + shows, Helicopter Grand Canyon tours.
Is July peak season in Las Vegas?
Las Vegas July crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Las Vegas
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.