Late spring · Weather & things to do
Las Vegas in May
Las Vegas warms up: highs climb to 91°F (33°C), from 80°F in April, with lows of 62°F (17°C) and about 0.1 in (3 mm) of rain.
Our comfort score puts it mid-table at 75/100, 8th of 12.
- Avg high
- 91°F (33°C)
- Avg low
- 62°F (17°C)
- Rain
- 0.1 in (3 mm)
- Humidity
- 22%
- Cloud cover
- 35%
- Daylight
- ~13 h 55 min
- Comfort score
- 75/100 · Great
What May feels like
Expect proper heat: afternoons average 91°F (33°C), so plan walking and hiking for the morning and save midday for shade, lunch or a swim.
Mornings start much cooler: lows average 62°F (17°C), about 16°C (29°F) below the afternoon high.
Low humidity, around 22%, makes the air feel crisp and dry.
Rain is scarce: about 0.1 in (3 mm) for the whole month.
Clear skies are common, with cloud cover averaging only 35%.
Plan around May
May sits mid-table; the best months are February – April and October & November.
- Comfort slips from 97/100 in April to 75/100.
- May sits inside the Mar – May window our Las Vegas & National Parks route recommends.
What to pack for May
- Light, breathable clotheshighs average 91°F
- Sunscreen, sunglasses and a hathigh UV on clear days
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningsnights drop to 62°F
- Lip balm and moisturizerdry air
- Comfortable walking shoesmost picks involve some walking
What to do in Las Vegas in May
Start early and take shelter at midday: the picks below pair morning outings with places to cool off.
Fremont Street Experience
Covered pedestrian mall with the Viva Vision light canopy, old casinos and street shows.
Why now May scores 75/100 for comfort, good conditions for being outside.
Hoover Dam
1930s concrete giant on the Colorado River; walk the top and the bypass bridge for the full view.
Why now Highs near 91°F and 0.1 in of monthly rain make this an easy outdoor pick.
The Neon Museum
Boneyard of retired casino signs with guided tours on the history of Las Vegas.
Why now A break from 91°F afternoons.
Atomic Liquors
Las Vegas's oldest freestanding bar (1952), once a spot for watching atomic tests.
Why now Somewhere to sit out the hottest hours.
Herbs & Rye
Off-Strip cocktail bar with a history-organized drinks menu and half-price steaks at happy hour.
Nearby in May
- Red Rock Canyon in May~16 mi · highs 82°F, 0.2 in rain · 5°C (9°F) cooler by day, about as wet
- Zion in May~141 mi · highs 72°F, 0.7 in rain · 11°C (19°F) cooler by day, wetter
- Joshua Tree in May~164 mi · highs 88°F, 0.0 in rain · 2°C (4°F) cooler by day, about as wet
- Grand Canyon in May~169 mi · highs 85°F, 0.5 in rain · 4°C (6°F) cooler by day, about as wet
These averages also cover The Strip.
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Las Vegas in May: quick answers
Is May a good time to visit Las Vegas?
It's middling, scoring 75/100. The best months are February – April and October & November, at up to 97. Expect highs of 91°F (33°C) and 0.1 in (3 mm) of rain. May is inside the Mar – May window our Las Vegas & National Parks route recommends.
How hot is Las Vegas in May?
Average highs are 91°F (33°C) and average lows 62°F (17°C), making it the 5th-warmest month by daytime highs.
Does it rain a lot in Las Vegas in May?
Not much: about 0.1 in (3 mm) of rain falls across May on average, the 2nd-driest month of the year. The annual total is about 5.8 in (147 mm).
What should I pack for Las Vegas in May?
Bring light, breathable clothes (highs average 91°F), sunscreen, sunglasses and a hat (high UV on clear days), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (nights drop to 62°F) and lip balm and moisturizer (dry air).
More on Las Vegas
Routes in season in May
- Las Vegas & National Parks Mar – May
Planning Las Vegas in May?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.