What to pack for Las Vegas in August
- light, breathable clothing
- sun protection (hat, SPF 50)
Humidity averages 23%; max daily wind around 23 km/h.
How August compares
Best months in Las Vegas: February–April & October–November. See the full best time to visit Las Vegas guide.
Las Vegas in August: the details
In August, Las Vegas sees average daytime highs of 40°C (104°F) and overnight lows of 27°C (80°F). Rainfall totals roughly 17 mm across 2.3 rainy days, and the sun shines about 12.5 hours per day with 13.4 hours of daylight mid-month. Relative humidity averages 23%.
In context: August is the second-warmest month and the 4th-wettest in Las Vegas. The sunniest month is June (13.6 h/day).
| Metric | August average |
|---|---|
| Daytime high | 40°C / 104°F |
| Overnight low | 27°C / 80°F |
| Rainfall | 17 mm over 2.3 rainy days |
| Sunshine | 12.5 h/day (13.4 h daylight) |
| Humidity | 23% |
| Travel score | 1.0 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Las Vegas, United States (36.17, -115.14) — see our methodology. Actual conditions vary year to year.
Not set on Las Vegas? Browse the best places to visit in August ranked by travel score.
Frequently asked questions
How hot is Las Vegas in August?
Daytime highs in Las Vegas in August average 40°C (104°F); nights drop to about 27°C.
Does it rain in Las Vegas in August?
Expect around 2.3 rainy days and 17 mm of rainfall in August.
Is August a good time to visit Las Vegas?
August is a challenging month to visit Las Vegas — consider February–April & October–November instead. Overall travel score: 1.0/10. The best months are February–April & October–November.
Also good in August, near Las Vegas
Where should you go next month?
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