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.
Average temperature in May - Las Vegas, NV
  • Average high temperature in May: 88.9°F

The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (56.6°F).

  • Average low temperature in May: 65.8°F

The month with the highest average low temperature is July (80.9°F).
The coldest month (with the lowest average low temperature) is December (38.7°F).

Average humidity in May - Las Vegas, NV
  • 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%).

Average rainfall in May - Las Vegas, NV
  • Average rainfall in May: 0.1"

The wettest month (with the highest rainfall) is February (0.8").
Driest months (with the lowest rainfall) are May and June (0.1").

Average rainfall days in May - Las Vegas, NV
  • 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).

Average daylight in May / Average sunshine in May - Las Vegas, NV
  • Average daylight in May: 14.1h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • 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).

Average UV index in May - Las Vegas, NV
  • 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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