Monthly climate ·Las Vegas weather in August
In August, Las Vegas averages around 40° by day and 26° at night, with 2 rain days a month — about a 6% chance of rain on any given day.
By day
40°C
At night
26°C
Daily rain chance
6%
Rain days a month
2
Monthly precipitation
14 mm
Sunshine hours a day
12.5
Average of 2016–2025 (Open-Meteo archive). Typical climate — not a forecast.
Is August a good time to visit Las Vegas?
August is very hot in Las Vegas — around 40° by day on average. Great if you love heat; plan activities for mornings and evenings.
Every month in Las Vegas
Frequently asked questions
- What is the weather in Las Vegas in August?
- In August, temperatures in Las Vegas average between 26° at night and 40° by day, with 2 rain days a month (average of 2016–2025).
- How much rain falls in Las Vegas in August?
- Las Vegas gets about 14 mm of rain in August on average, spread over roughly 2 rain days.
- Is August a good time to visit Las Vegas?
- August is very hot in Las Vegas — around 40° by day on average. Great if you love heat; plan activities for mornings and evenings.