Late summer · Weather & things to do
Las Vegas in August
Las Vegas edges cooler than July, with highs of 104°F (40°C), lows of 78°F (26°C) and about 0.6 in (15 mm) of rain.
With a comfort score of 59/100 (11th of 12), it's one of the toughest months, held back mainly by heat.
- Avg high
- 104°F (40°C)
- Avg low
- 78°F (26°C)
- Rain
- 0.6 in (15 mm)
- Humidity
- 24%
- Cloud cover
- 33%
- Daylight
- ~13 h 23 min
- Comfort score
- 59/100 · Fair
What August feels like
Expect proper heat: afternoons average 104°F (40°C), so plan walking and hiking for the morning and save midday for shade, lunch or a swim.
There's a big swing between day and night, about 15°C (26°F), so mornings and evenings feel much cooler than the afternoon.
The air is dry, at about 24% humidity, which keeps warmth comfortable but dries skin and lips.
It's one of the drier stretches, with only about 0.6 in (15 mm) of rain.
Sunny spells dominate: cloud cover averages 33%.
Plan around August
August is one of the lower-scoring months here; the best are February – April and October & November.
- Comfort holds steady from July (57 → 59/100).
- Our Las Vegas & National Parks route recommends Mar – May, so August falls outside its suggested window.
What to pack for August
- Light, breathable clothes104°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningslows near 78°F
- Lip balm and moisturizerdry air
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Las Vegas in August
Afternoons run hot (104°F), so these picks mix early-start outdoor spots with cool indoor breaks.
Peppermill Restaurant & Fireside Lounge
1972 neon-lit diner and lounge with huge portions, open 24 hours.
Why now A break from 104°F afternoons.
Bellagio Fountains
Choreographed fountain show on the Bellagio lake, free and right on the Strip.
Why now Go early — afternoons average 104°F.
Fremont Street Experience
Covered pedestrian mall with the Viva Vision light canopy, old casinos and street shows.
Why now Best first thing, before the 104°F afternoon heat.
The Mob Museum
Organized crime history in the old federal courthouse, with a speakeasy and distillery in the basement.
Why now Somewhere to sit out the hottest hours.
Atomic Liquors
Las Vegas's oldest freestanding bar (1952), once a spot for watching atomic tests.
Nearby in August
- Red Rock Canyon in August~16 mi · highs 96°F, 0.7 in rain · 5°C (8°F) cooler by day, about as wet
- Zion in August~141 mi · highs 86°F, 1.3 in rain · 10°C (18°F) cooler by day, wetter
- Joshua Tree in August~164 mi · highs 100°F, 0.4 in rain · 2°C (4°F) cooler by day, about as wet
- Grand Canyon in August~169 mi · highs 96°F, 2.0 in rain · 5°C (8°F) cooler by day, wetter
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 August: quick answers
Is August a good time to visit Las Vegas?
It's one of the tougher months here, scoring 59/100, held back mainly by heat. The best months are February – April and October & November. Expect highs of 104°F (40°C) and 0.6 in (15 mm) of rain. Our Las Vegas & National Parks route recommends Mar – May, so August is outside its suggested window.
How hot is Las Vegas in August?
Average highs are 104°F (40°C) and average lows 78°F (26°C), making it the 2nd-warmest month by daytime highs.
Does it rain a lot in Las Vegas in August?
Not much: about 0.6 in (15 mm) of rain falls across August on average, the 5th-wettest month of the year. The annual total is about 5.8 in (147 mm).
What should I pack for Las Vegas in August?
Bring light, breathable clothes (104°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (lows near 78°F) and lip balm and moisturizer (dry air).
More on Las Vegas
Planning Las Vegas in August?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.