Salt Lake City
Utah, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Salt Lake City, UT

A stunning autumn panorama of the Salt Lake City landscape in Utah
A stunning autumn panorama of the Salt Lake City landscape in Utah
The last month of the spring, May, is a pleasant month in Salt Lake City, Utah, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 47.8°F (8.8°C).

Temperature

In Salt Lake City, the average high-temperature in May rises, from a comfortable 61.5°F (16.4°C) in April, to a pleasant 72°F (22.2°C). In May, the average low-temperature is 47.8°F (8.8°C).

Humidity

In May, the average relative humidity in Salt Lake City is 48.7%.

Rainfall

In May, in Salt Lake City, the rain falls for 9 days. Throughout May, 1.9" (49.5mm) of precipitation is accumulated. Throughout the year, in Salt Lake City, Utah, there are 95.6 rainfall days, and 16.1" (408.9mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December.

Daylight

In May, the average length of the day in Salt Lake City is 14.5h.

Sunshine

The average sunshine in Salt Lake City is 10.4h.

UV index

In May, the average daily maximum UV index is 9. A UV Index value of 8 to 10 symbolizes a very high health risk from unprotected exposure to the Sun's UV rays for average individuals.
In May, the average maximum UV index of 9 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in May in Salt Lake City?

In May, in Salt Lake City, Utah, the average high-temperature is 72°F (22.2°C), and the average low-temperature is 47.8°F (8.8°C).

What is the average humidity in May in Salt Lake City?

In May, the average relative humidity in Salt Lake City is 48.7%.

How many days does it rain in May in Salt Lake City?

In Salt Lake City, Utah, in May, during 9 rainfall days, 1.9" (49.5mm) of precipitation is typically accumulated.

What is the last month it snows in Salt Lake City?

May is the last month it regularly snows in Salt Lake City, Utah. During 0.2 snowfall days, in May, Salt Lake City aggregates 0.3" (7.6mm) of snow.

How many hours of daylight does Salt Lake City have in May?

In May, the average length of the day in Salt Lake City is 14.5h.

How many hours of sunshine does Salt Lake City have in May?

In Salt Lake City, Utah, the average sunshine in May is 10.4h.

How high is the UV index in May in Salt Lake City?

In May, the average daily maximum UV index in Salt Lake City, Utah, is 9. A UV Index estimate of 8 to 10 represents a very high hazard to health from unprotected exposure to the UV radiation.
Average temperature in May - Salt Lake City, UT
  • Average high temperature in May: 71.9°F

The warmest month (with the highest average high temperature) is July (92.6°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in May: 47.8°F

The month with the highest average low temperature is July (64.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average humidity in May - Salt Lake City, UT
  • Average humidity in May: 48.7%

The month with the highest relative humidity is December (74.3%).
The month with the lowest relative humidity is July (35.9%).

Average rainfall in May - Salt Lake City, UT
  • Average rainfall in May: 2"

Wettest months (with the highest rainfall) are April and May (2").
The driest month (with the lowest rainfall) is July (0.6").

Average rainfall days in May - Salt Lake City, UT
  • Average rainfall days in May: 9 days

The month with the highest number of rainy days is January (10.1 days).
The month with the lowest number of rainy days is July (4.4 days).

Average snowfall in May - Salt Lake City, UT
  • Average snowfall in May: 0.3"

The month with the highest snowfall is December (13.2").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days in May - Salt Lake City, UT
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (8.5 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Salt Lake City, UT
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 10.4h

The month with most sunshine is July (Average sunshine: 12.3h).
The month with least sunshine is December (Average sunshine: 3.6h).

Average UV index in May - Salt Lake City, UT
  • Average UV index in May: 9

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January, November and December (UV index 2).