August 31 is statistically one of the best days of the year in Las Vegas. With minimal rain risk (3%) and pleasant highs of 38°C, it's ideal for outdoor adventures. Las Vegas is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Las Vegas
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Connect
Essentially all hotels offer in-room Wi-...
Safety
Moderate Safety
GPI: 2.44
Las Vegas Weather Forecast for August 31
"Warm & Sunny. Expect average highs of 37.8°C. 3% chance of rain."
What to Wear in Las Vegas in August
Based on historical data for August 31, Las Vegas typically experiences temperatures between 25.1°C and 37.8°C. We recommend packing t-shirt, light clothing, layers (onion system) to stay comfortable. Trends suggest it will stay mostly dry (3% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Las Vegas
Smart Suitcase
- T-Shirt
- Light Clothing
- Layers (Onion System)
Average High
37.8°C
Daytime Peak
Average Low
25.1°C
Nighttime Low
Feels Like
37.8°C
🔥 Feels accurate
Rain Chance
3%
Avg 0.1mm if it rains
Cloud Cover
21%
Clear sky
Pressure
1008.3 hPa
Low volatility
Las Vegas Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 99% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 12 min to burn
Type III-IV
🟡 18 min to burn
Type V-VI
🟢 30 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
13.1°C
Pleasant
Heat Stress
Low
No heat warning
😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
High
92/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~678
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Las Vegas
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:12
☀️ Noon
11:42
🌇 Sunset
18:11
⏱️ Daylight
12h 59m
Wind Speed
15.2 km/h
Gentle breeze
Sunshine
11.6 hrs
Direct Sun (Cloud-free)
Humidity
23%
Dry air
Travel Intelligence
Exclusive flight analytics & health data for Las Vegas
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Las Vegas
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Las Vegas on August 31 averages 37.8°C with a 3% precipitation probability. Wedding/Outdoor Event Score: 82/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Las Vegas Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 7
36.5°C • 3% rain
Score
87
September 3
36.8°C • 3% rain
Score
86
September 4
36.7°C • 2% rain
Score
86
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Las Vegas Worth Visiting on August 31?
Planning a trip to Las Vegas on August 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 37.8°C with a 3% historical precipitation risk.
✈️ Travel Logistics: Approximately 678 landing slots available daily during this period, indicating peak tourist activity.
📊 Historical Extremes: The hottest August 31 recorded in the last 30 years saw temperatures hit 43.7°C in 2022, while the coldest dropped to 23.1°C in 2020.