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, USA, on a sunny day
A stunning autumn panorama of the Salt Lake City landscape in Utah, USA, on a sunny day
  • The average high temperature in May: 22.2°C

The warmest month (with the highest average high temperature) is July (33.7°C).
The month with the lowest average high temperature is January (3°C).

  • The average low temperature in May: 8.8°C

The month with the highest average low temperature is July (18.2°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).

  • The 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%).

  • The average rainfall in May: 49.5mm

The wettest month (with the highest rainfall) is April (50.5mm).
The driest month (with the lowest rainfall) is July (15.5mm).

  • The 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).

  • The average snowfall in May: 7.6mm

The month with the highest snowfall is December (335.3mm).
Months with the lowest snowfall are June, July, August and September (0mm).

  • The 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).

  • The average daylight in May: 14h

Months with the longest days are June and July (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9h).

  • The 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).

  • The 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).

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