Las Vegas
Nevada, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and Climate
Las Vegas, NV

A night aerial view of the Las Vegas strip in Nevada, USA
A night aerial view of the Las Vegas strip in Nevada, USA
May is brilliant with the daily sunshine of 12 hours and long days up to 15 hours. Average lows and highs are in the range of a warm 65°F (18.3°C) to 88°F (31.1°C), as the days become noticeably hot. Precipitation is negligible as early mornings make the best time to explore Las Vegas and its surroundings.
May weather is good enough for a few visitors seeking thrilling adventures in the desert and mountain ranges after spending ample time and money on gambling, clubbing, and nightlife.
  • The average high temperature in May: 31.6°C

The warmest month (with the highest average high temperature) is July (40.1°C).
The month with the lowest average high temperature is December (13.7°C).

  • The average low temperature in May: 18.8°C

The month with the highest average low temperature is July (27.2°C).
The coldest month (with the lowest average low temperature) is December (3.7°C).

  • The average humidity in May: 21.3%

The month with the highest relative humidity is January (45.1%).
The month with the lowest relative humidity is June (16.5%).

  • The average rainfall in May: 3mm

The wettest month (with the highest rainfall) is February (19.3mm).
The driest month (with the lowest rainfall) is June (1.8mm).

  • The average rainfall days in May: 1.2 days

The month with the highest number of rainy days is February (4 days).
The month with the lowest number of rainy days is June (0.6 days).

  • The average daylight in May: 14h

The month with the longest days is June (Average daylight: 15h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in May: 12.5h

The month with most sunshine is June (Average sunshine: 13.4h).
The month with least sunshine is December (Average sunshine: 7.6h).

  • The average UV index in May: 9

The month with the highest UV index is July (UV index 11).
The month with the lowest UV index is December (UV index 2).

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