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

May weather forecast and climate
Las Vegas, NV

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

Humidity

The average relative humidity in May is 21%.

Rainfall

In May, the rain falls for 3.7 days. Throughout May, 0.24" (6mm) of precipitation is 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 snow does not fall in March through November.

Daylight

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

Sunshine

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

UV index

In Las Vegas, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in May in Las Vegas?

In Las Vegas, in May, the average high-temperature is 80.6°F (27°C), and the average low-temperature is 61.7°F (16.5°C).

What is the average humidity in May in Las Vegas?

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

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

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

When it does not snow in Las Vegas?

March through November are months without snowfall.

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

The average length of the day in May is 14.1h.

How long on average sun shines in May in Las Vegas?

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

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

In May, the average daily maximum UV index in Las Vegas, Nevada, 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 high temperature in May: 80.6°F

The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (50°F).

  • Average low temperature in May: 61.7°F

The month with the highest average low temperature is July (77.7°F).
The coldest month (with the lowest average low temperature) is December (37.9°F).

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%).

Average rainfall in May - Las Vegas, NV
  • Average rainfall in May: 0.24"

The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is June (0.08").

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).

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

The month with the highest snowfall is February (0.16").
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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).

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).

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).