United States Las Vegas Weather in May — Climate Guide
May in Las Vegas is Excellent
May is Excellent for Las Vegas.
May is the start of Vegas's hot season — 32°C days, low humidity 23%. Pool season at peak. EDC (Electric Daisy Carnival, mid-May) is the biggest US electronic music festival, drives hotel prices 50-100% for that 4-day weekend.
Memorial Day weekend kicks off unofficial summer — beaches, pools, dayclubs at peak.
Travel score
Las Vegas May Weather Stats
Avg High
32°C
Avg Low
18°C
Rainy Days
1
2mm total
Sunshine
11h
Daily avg
Humidity
23%
Dry
UV Index
10
Very high
Wind
14 km/h
Gusts 30
Sea Temp
0°C
Avg water temp
Crowds
Busy
At attractions
May Sunrise & Sunset
Air Quality
PM2.5
28 μg/m³
PM10
55 μg/m³
Status
Moderate
Feels-Like Temperature & Wind
Feels like
Daytime
33°C
Nighttime
17°C
Humidity and wind affect how the actual temperature feels.
Wind
14 km/h
Max gust 30 km/h
Activities Recommended for May
May Travel Pros & Cons
Pros
- Pool season at peak
- Antelope Canyon light beams peak
- Dry + sunny days
Cons
- EDC weekend price spike
- Death Valley too hot May-September
- Memorial Day weekend pricing
May Events & Festivals
- Memorial Day weekend (last Monday May)
- Pool season at peak
- EDC (Electric Daisy Carnival) — mid-May
Las Vegas in May — Full Picture
May is the start of Vegas's hot season — 32°C days, low humidity 23%. Pool season at peak. EDC (Electric Daisy Carnival, mid-May) is the biggest US electronic music festival, drives hotel prices 50-100% for that 4-day weekend.
Memorial Day weekend kicks off unofficial summer — beaches, pools, dayclubs at peak.
Grand Canyon West + Antelope Canyon at peak hiking before summer heat. Death Valley becomes dangerous May onwards (40°C+).
What to Wear & What to Pack
Shorts + T-shirts + swimwear. Light layer for cool evenings. Sunscreen SPF 50+ mandatory — UV jumps to 10.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
Current26.7°C
13.3°C
1.3/mo
Summer (Jun·Jul·Aug)
39.7°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 May Hotel Picks
Frequently Asked Questions
Is May a good time to visit Las Vegas?
Las Vegas in May is Excellent. Tourist crowds are busy and flight/hotel prices are peak.
What's the average temperature in Las Vegas in May?
Las Vegas May averages a high of 32°C and a low of 18°C.
Does it rain much in Las Vegas in May?
Las Vegas May averages 2mm of rainfall over about 1 rainy days.
What should I wear in Las Vegas in May?
Shorts + T-shirts + swimwear. Light layer for cool evenings. Sunscreen SPF 50+ mandatory — UV jumps to 10.
What time are sunrise and sunset in Las Vegas in May?
Las Vegas May sunrise is 05:35 and sunset is 19:42, with 14h 07m of daylight.
What's the air quality like in Las Vegas in May?
Las Vegas May air quality (AQI) averages 70, rated Moderate. PM2.5 averages 28μg/m³.
What activities are recommended in Las Vegas in May?
In May, Las Vegas is great for Pool + dayclubs (peak), All Strip + indoor activities, Antelope Canyon light beams.
Is May peak season in Las Vegas?
Las Vegas May crowds are 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.