Las Vegas - Five-Day Weather ForecastLas Vegas ClimateAs Las Vegas lies at the convergence of three deserts it has an annual average of 294 days of sunshine with only four inches of rain. Although the temperature between May and September can be close to 100 degrees Fahrenheit (38 degrees Celsius), humidity rarely exceeds 20 percent and evening temperatures usually drop to around 75 degrees Fahrenheit (24 degrees Celsius).
Las Vegas Climate Chart
