Salt Lake City, UT weather in May
Expect mild weather with some rain in Salt Lake City in May, with highs near 73°F and lows near 50°F. Rain falls on about 9 days. Great for outdoor plans.
- Normal high
- 73°F
- Normal low
- 50°F
- Wet days
- 9
- 1.8 in total
- Muggy days
- 0
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 67°F | 78°F |
| Normal low | 46°F | 55°F |
| Chance of a wet day | 32% | 26% |
| Sunrise / sunset | 6:25 am / 8:23 pm | 5:58 am / 8:51 pm |
| Daylight | 14.0 h | 14.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
A typical May day
- 6 am52°Fdew point 39°F
- 9 am61°Fdew point 38°F
- Noon68°Fdew point 36°F
- 3 pm70°Fdew point 36°F
- 6 pm68°Fdew point 35°F
- 9 pm60°Fdew point 39°F
NOAA hourly normals (local standard time) from Salt Lake City Intl Airport (4 mi away); average wind 9 mph; clear or few clouds in 23% of daytime hours, mostly cloudy or overcast in 52%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F16 of 31
- Hot dayshigh 90°F or more1 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow9 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain and snow in May
Normal precipitation is 1.8 in; a dry May brings about 1.0 in and a wet one about 2.7 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 0.1 in.
How May varies from year to year
- Warmest May, 1991-20201992: average high 79°F
- Coolest May2011: average high 63°F
- Wettest May2011: 5.1 in
- Driest May2001: 0.2 in
- Highest reading99°F (May 29, 2003)
- Lowest reading26°F (May 8, 2002)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 62°F | 73°F | 84°F |
| Normal low | 42°F | 50°F | 59°F |
| Wet days | 10 | 9 | 5 |
| Comfortable days | 11 | 16 | 9 |
| Daylight | 13.3 h | 14.5 h | 15.1 h |
Highs change by +11°F from April and +11°F into June.
Nearby alternatives in May
- Warmer: Moab, UT196 mi · high 83°F · 5 wet days
- Drier: Moab, UT196 mi · high 83°F · 5 wet days
- Cooler: Park City, UT22 mi · high 65°F · 8 wet days
How Salt Lake City ranks in May
- Normal high225th warmest of 378 cities; 5th of 7 in Utah
- Wet days166th driest of 378
- Comfortable days77th most of 339
What to pack for Salt Lake City in May
- A rain jacket or umbrella – rain on about 9 days
Heating and cooling
May has 172 heating degree days and 63 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Salt Lake City in May?
The normal high is 73°F and the normal low is 50°F. From 1991 to 2020 the hottest May reading was 99°F (most recently on May 29, 2003).
Does it rain a lot in Salt Lake City in May?
About 9 days in May have at least 0.01 in of precipitation, and the normal total is 1.8 in. The wettest May in 1991-2020 was in 2011 (5.1 in); the driest was in 2001 (0.2 in).
Does it snow in Salt Lake City in May?
Yes. Normal snowfall in May is 0.1 in.
Is May a good time to visit Salt Lake City?
May ranks 1st of 12 months on our comfort score for Salt Lake City (74 out of 100). It has about 16 comfortable days and about 1 day at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Salt Lake City Intl Airport (USW00024127), 4.3 mi WNW of the city center, 4,225 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Salt Lake City International Airport (725720-24127), 3.9 mi W of the city center, 4,227 ft . Hourly observations, 1991-2020.