May weather forecast
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

Weather in May

The last month of the spring, May, is a moderately hot month in Las Vegas, Nevada, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 61.7°F (16.5°C).

Temperature

In May, the average high-temperature marginally rises, from a pleasant 72°F (22.2°C) in April, to a moderately hot 80.6°F (27°C). The average low-temperature, in May, is 61.7°F (16.5°C).

Humidity

In Las Vegas, the average relative humidity in May is 21%.

Rainfall

In Las Vegas, in May, during 3.7 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. Throughout the year, in Las Vegas, there are 57.5 rainfall days, and 6.02" (153mm) of precipitation is accumulated.

Snowfall

In Las Vegas, Nevada, snow does not fall in March through November.

Daylight

In Las Vegas, Nevada, the average length of the day in May is 14.1h.

Sunshine

The average sunshine in Las Vegas is 11.9h.

UV index

In Las Vegas, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 7 in May interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in May in Las Vegas?

In May, the average relative humidity is 21%.

How many days does it rain in May in Las Vegas?

In Las Vegas, in May, during 3.7 rainfall days, 0.24" (6mm) of precipitation is typically accumulated.

When it does not snow in Las Vegas?

In Las Vegas, Nevada, snow does not fall in March through November.

How many hours of daylight does Las Vegas have in May?

In May, the average length of the day is 14.1h.

How many hours of sunshine does Las Vegas have in May?

In May, the average sunshine in Las Vegas is 11.9h.

What is the UV index intensity in May in Las Vegas?

The average daily maximum UV index in May in Las Vegas is 7. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.

Average temperature in May
Las Vegas, NV

Average temperature in May - Las Vegas, NV
  • Average high temperature in May: 27°C

The warmest month (with the highest average high temperature) is July (36.3°C).
The month with the lowest average high temperature is December (10°C).

  • Average low temperature in May: 16.5°C

The month with the highest average low temperature is July (25.4°C).
The coldest month (with the lowest average low temperature) is December (3.3°C).

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Average pressure in May
Las Vegas, NV

Average pressure in May - Las Vegas, NV
  • Average pressure in May: 1009.4mbar

The month with the highest atmospheric pressure is January (1020.6mbar).
The month with the lowest atmospheric pressure is June (1007.9mbar).

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Average wind speed in May
Las Vegas, NV

Average wind speed in May - Las Vegas, NV
  • Average wind speed in May: 13.1km/h

The windiest month (with the highest average wind speed) is April (13.7km/h).
The calmest month (with the lowest average wind speed) is January (8.9km/h).

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Average humidity in May
Las Vegas, NV

Average humidity in May - Las Vegas, NV
  • Average humidity in May: 21%

The month with the highest relative humidity is January (48%).
The month with the lowest relative humidity is June (15%).

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Average rainfall in May
Las Vegas, NV

Average rainfall in May - Las Vegas, NV
  • Average rainfall in May: 6mm

The wettest month (with the highest rainfall) is July (22mm).
The driest month (with the least rainfall) is June (2mm).

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Average rainfall days in May
Las Vegas, NV

Average rainfall days in May - Las Vegas, NV
  • Average rainfall days in May: 3.7 days

The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is June (1.4 days).

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Average snowfall in May
Las Vegas, NV

Average snowfall in May - Las Vegas, NV
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (4mm).
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in May
Las Vegas, NV

Average snowfall days in May - Las Vegas, NV
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.3 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Las Vegas, NV

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 the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in May: 11.9h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 7.1h).

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Average sunshine days in May
Las Vegas, NV

Average sunshine days in May - Las Vegas, NV
  • Average sunshine days in May: 23.7 days

The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is July (18.1 days).

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Average UV index in May
Las Vegas, NV

Average UV index in May - Las Vegas, NV
  • Average UV index in May: 7

Months with the highest UV index are June and July (UV index 8).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in May
Las Vegas, NV

Average cloud cover in May - Las Vegas, NV
  • Average cloud cover in May: 11

The month with the most cloud cover is December (Cloud cover 20).
Months with the least cloud cover are June and August (Cloud cover 6).

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Average visibility in May
Las Vegas, NV

Average visibility in May - Las Vegas, NV
  • Average visibility in May: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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