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 average temperature ranging between min 43.7°F (6.5°C) and max 64.2°F (17.9°C).

Temperature

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

Humidity

In Salt Lake City, the average relative humidity is 50%.

Rainfall

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

Snowfall

May through September are months without snowfall.

Daylight

In May, the average length of the day is 14.5h.

Sunshine

In May, the average sunshine in Salt Lake City is 11.3h.

UV index

In Salt Lake City, Utah, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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?

The average high-temperature, in May, is 64.2°F (17.9°C), while the average low-temperature is 43.7°F (6.5°C).

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

In May, the average relative humidity 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, Utah, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Salt Lake City?

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

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 long on average sun shines in May in Salt Lake City?

In May, the average sunshine in Salt Lake City, Utah, is 11.3h.

What is the UV index reading in May in Salt Lake City?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in May - Salt Lake City, UT
  • Average high temperature in May: 64.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in May: 43.7°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in May - Salt Lake City, UT
  • Average pressure in May: 29.89"

The month with the highest atmospheric pressure is January (30.28").
The month with the lowest atmospheric pressure is June (29.87").

Average wind speed in May - Salt Lake City, UT
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is January (5mph).

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: 0.31"

The wettest month (with the highest rainfall) is March (0.51").
The driest month (with the least rainfall) is August (0.2").

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: 0"

The month with the highest snowfall is January (2.68").
Months with the least snowfall are May, June, July, August and September (0").

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 cloud cover in May - Salt Lake City, UT
  • Average cloud cover in May: 20

Months with the most cloud cover are January and February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in May - Salt Lake City, UT
  • Average visibility in May: 6mi

Months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).