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 an enjoyable month in Salt Lake City, Utah, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 64.2°F (17.9°C).

Temperature

In May, the average high-temperature rises, from a fresh 53.6°F (12°C) in April, to an enjoyable 64.2°F (17.9°C). In May, the average low-temperature is 43.7°F (6.5°C).

Humidity

The average relative humidity in May is 50%.

Rainfall

In May, in Salt Lake City, the rain falls for 7 days. Throughout May, 0.31" (8mm) of precipitation is accumulated. In Salt Lake City, during the entire year, the rain falls for 71.6 days and collects up to 4.21" (107mm) of precipitation.

Snowfall

May through September are months without snowfall in Salt Lake City.

Daylight

The average length of the day is 14.5h.

Sunshine

In May, the average sunshine is 11.3h.

UV index

The average daily maximum UV index in Salt Lake City is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in May in Salt Lake City?

In Salt Lake City, Utah, in May, the average high-temperature is 64.2°F (17.9°C), and the average low-temperature is 43.7°F (6.5°C).

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

The average relative humidity in May in Salt Lake City, Utah, is 50%.

How much does it rain in Salt Lake City in May?

In May, in Salt Lake City, Utah, the rain falls for 7 days. Throughout May, 0.31" (8mm) of precipitation is accumulated.

Does it snow in Salt Lake City in May?

In May, in Salt Lake City, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Salt Lake City?

In Salt Lake City, Utah, snow does not fall in May through September.

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

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

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

The average sunshine in May in Salt Lake City is 11.3h.

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

The average daily maximum UV index in May in Salt Lake City, Utah, is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in May - Salt Lake City, UT
  • Average high temperature in May: 17.9°C

The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is January (1.1°C).

  • Average low temperature in May: 6.5°C

The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).

Average pressure in May - Salt Lake City, UT
  • Average pressure in May: 1012.3mbar

The month with the highest atmospheric pressure is January (1025.4mbar).
The month with the lowest atmospheric pressure is June (1011.6mbar).

Average wind speed in May - Salt Lake City, UT
  • Average wind speed in May: 9.1km/h

The windiest month (with the highest average wind speed) is March (10.6km/h).
The calmest month (with the lowest average wind speed) is January (8km/h).

Average humidity in May - Salt Lake City, UT
  • Average humidity in May: 50%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).

Average rainfall in May - Salt Lake City, UT
  • Average rainfall in May: 8mm

The wettest month (with the highest rainfall) is March (13mm).
The driest month (with the least rainfall) is August (5mm).

Average rainfall days in May - Salt Lake City, UT
  • Average rainfall days in May: 7 days

The month with the highest number of rainy days is April (8.9 days).
The month with the least rainy days is June (4 days).

Average snowfall in May - Salt Lake City, UT
  • Average snowfall in May: 0mm

The month with the highest snowfall is January (68mm).
Months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in May - Salt Lake City, UT
  • Average snowfall days in May: 0.1 days

Months with the highest number of snowfall days are January and February (6.6 days).
Months with the least 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 the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 11.3h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5.7h).

Average sunshine days in May - Salt Lake City, UT
  • Average sunshine days in May: 22 days

The month with the most sunshine days is June (23.8 days).
The month with the least sunshine days is February (19 days).

Average UV index in May - Salt Lake City, UT
  • Average UV index in May: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility in May - Salt Lake City, UT
  • Average visibility in May: 10km

Months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The month with the lowest visibility is January (8km).