Las Vegas in August
In August, Las Vegas averages 39°C (102°F) during the day and 26°C (79°F) at night, with around 6 days of rain (19 mm total).
ShoulderConditions are very hot — early-morning and evening sightseeing recommended. Occasional showers are likely but won't dominate.
It's peak hurricane season in Las Vegas during August. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How August compares to the rest of the year in Las Vegas
August is one of the warmest months in Las Vegas (2nd of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 12°C above the annual average (27°C). August runs 1°C cooler than July (40°C) and cools 4°C in September (35°C).
August sunrise & sunset in Las Vegas
Times shown for Las Vegas local time (America/Los_Angeles), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Las Vegas — August
Golden-hour and blue-hour windows for the 15th of August, in Las Vegas's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Las Vegas in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Shoulder) and Las Vegas's popularity.
Crowds & pricing — August in Las Vegas
Las Vegas is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: Northern Hemisphere summer holidays peak hazard season (1 active)
Sun & mosquito risk — August in Las Vegas
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Las Vegas in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 15°C / 58°F | 4°C / 40°F | 21 mm | 6 | — |
| February | 18°C / 64°F | 6°C / 42°F | 14 mm | 5 | — |
| March | 22°C / 71°F | 10°C / 49°F | 12 mm | 7 | — |
| April | 27°C / 81°F | 14°C / 57°F | 6 mm | 4 | — |
| May | 31°C / 88°F | 18°C / 64°F | 4 mm | 4 | — |
| June | 38°C / 101°F | 24°C / 75°F | 2 mm | 2 | — |
| July | 40°C / 104°F | 27°C / 81°F | 9 mm | 7 | — |
| August | 39°C / 102°F | 26°C / 79°F | 19 mm | 6 | — |
| September | 35°C / 94°F | 22°C / 71°F | 9 mm | 3 | — |
| October | 27°C / 81°F | 15°C / 59°F | 6 mm | 3 | — |
| November | 19°C / 67°F | 8°C / 47°F | 9 mm | 2 | — |
| December | 14°C / 56°F | 4°C / 39°F | 15 mm | 5 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Las Vegas in August →
Frequently asked questions
How hot is Las Vegas in August?
In August, Las Vegas averages a high of 39°C (102°F) and a low of 26°C (79°F) — generally hot.
Does it rain a lot in Las Vegas in August?
August sees occasional rain in Las Vegas, with about 6 rainy days on average.
Is August a good time to visit Las Vegas?
August is hot. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Las Vegas in August?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full August packing list for Las Vegas for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.