Monthly climate ·Las Vegas weather in May
In May, Las Vegas averages around 31° by day and 18° at night, with 1 rain days a month — about a 3% chance of rain on any given day.
By day
31°C
At night
18°C
Daily rain chance
3%
Rain days a month
1
Monthly precipitation
6 mm
Sunshine hours a day
13
Average of 2016–2025 (Open-Meteo archive). Typical climate — not a forecast.
Is May a good time to visit Las Vegas?
Yes — May is a great time to visit Las Vegas: around 31° by day with hardly any rain (1 rain days on average).
Every month in Las Vegas
Frequently asked questions
- What is the weather in Las Vegas in May?
- In May, temperatures in Las Vegas average between 18° at night and 31° by day, with 1 rain days a month (average of 2016–2025).
- How much rain falls in Las Vegas in May?
- Las Vegas gets about 6 mm of rain in May on average, spread over roughly 1 rain days.
- Is May a good time to visit Las Vegas?
- Yes — May is a great time to visit Las Vegas: around 31° by day with hardly any rain (1 rain days on average).