Salt Lake City weather in May: Salt Lake City, Utah: normal highs, lows, rain and records for May
Salt Lake City in May has a normal high of 73°F and a normal low of 50°F, a daily mean of 62°F, rising from 67°F on the 1st to 78°F by the 31st. Measurable precipitation falls on 9 days in a normal May, 1.82 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 10°C, 46 mm of precipitation and 0 cm of snow in May.
- NOAA stationSalt Lake City International Airport
- Station IDUSW00024127
- Location40.78°N 111.97°W
- Elevation4,225 ft (1,288 m)
- From the center2 miles
- Population217,783
- Jan 39° 24°
- Feb 45° 29°
- Mar 55° 36°
- Apr 62° 42°
- May 73° 50°
- Jun 84° 59°
- Jul 94° 68°
- Aug 92° 67°
- Sep 81° 56°
- Oct 66° 44°
- Nov 51° 33°
- Dec 39° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Salt Lake City in May?
The normal high is 73°F and the normal low 50°F, for a daily mean of 61.5°F. May is 9.7°F warmer than April and 10.1°F cooler than June. May is the 5th warmest month of the year in Salt Lake City and the 2nd wettest. Across the month the normal high rises 11°F, from 67°F on May 1 to 78°F on May 31. From one year to the next May's mean temperature typically moves about 3.2°F either way (NOAA's standard deviation), so roughly two Mays in three average between 58°F and 65°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 67°F | 46°F | 32% | 18% |
| May 8 | 69°F | 48°F | 31% | 17% |
| May 15 | 72°F | 50°F | 29% | 16% |
| May 22 | 75°F | 52°F | 28% | 16% |
| May 31 | 78°F | 55°F | 24% | 14% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 67°F | 46°F | 32% | 18% | 13 h 50 min |
| May 2 | 67°F | 46°F | 32% | 18% | 14 h |
| May 3 | 67°F | 47°F | 32% | 18% | 14 h |
| May 4 | 68°F | 47°F | 32% | 18% | 14 h |
| May 5 | 68°F | 47°F | 31% | 17% | 14 h |
| May 6 | 69°F | 48°F | 31% | 17% | 14 h 10 min |
| May 7 | 69°F | 48°F | 31% | 17% | 14 h 10 min |
| May 8 | 69°F | 48°F | 31% | 17% | 14 h 10 min |
| May 9 | 70°F | 48°F | 31% | 17% | 14 h 10 min |
| May 10 | 70°F | 49°F | 30% | 17% | 14 h 20 min |
| May 11 | 71°F | 49°F | 30% | 17% | 14 h 20 min |
| May 12 | 71°F | 49°F | 30% | 17% | 14 h 20 min |
| May 13 | 72°F | 50°F | 30% | 16% | 14 h 20 min |
| May 14 | 72°F | 50°F | 30% | 16% | 14 h 20 min |
| May 15 | 72°F | 50°F | 29% | 16% | 14 h 30 min |
| May 16 | 73°F | 51°F | 29% | 16% | 14 h 30 min |
| May 17 | 73°F | 51°F | 29% | 16% | 14 h 30 min |
| May 18 | 74°F | 51°F | 29% | 16% | 14 h 30 min |
| May 19 | 74°F | 51°F | 29% | 16% | 14 h 30 min |
| May 20 | 74°F | 52°F | 28% | 16% | 14 h 30 min |
| May 21 | 75°F | 52°F | 28% | 16% | 14 h 40 min |
| May 22 | 75°F | 52°F | 28% | 16% | 14 h 40 min |
| May 23 | 75°F | 53°F | 28% | 16% | 14 h 40 min |
| May 24 | 76°F | 53°F | 27% | 16% | 14 h 40 min |
| May 25 | 76°F | 53°F | 27% | 15% | 14 h 40 min |
| May 26 | 77°F | 53°F | 27% | 15% | 14 h 40 min |
| May 27 | 77°F | 54°F | 26% | 15% | 14 h 50 min |
| May 28 | 77°F | 54°F | 26% | 15% | 14 h 50 min |
| May 29 | 78°F | 54°F | 25% | 15% | 14 h 50 min |
| May 30 | 78°F | 54°F | 25% | 14% | 14 h 50 min |
| May 31 | 78°F | 55°F | 24% | 14% | 14 h 50 min |
- Normal high
- 73°FMay average
- Normal low
- 50°FMay average
- Precipitation
- 1.82 inmonth total
- Days with precipitation
- 90.01 inch or more
- Snowfall
- 0.1 inmonth total
- Days at 90°F or more
- 1
- Daylight
- 13 h 50 min to 14 h 50 minMay 1 to May 31
- Days at 70°F or more
- 18
- Days at 80°F or more
- 9
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024127; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Salt Lake City in May?
On a given May day the chance of 0.01 inch or more is 29% on average, highest around May 1 (32%). In all, 1.82 in falls on 9 days of a normal May.
In a normal May in Salt Lake City, 1 days reach 90°F and snowfall averages 0.1 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024127.
How humid and windy is Salt Lake City in May?
At 3 p.m. the normal temperature is 76°F with 25% relative humidity and a dew point of 38°F; at 6 a.m. it is 57°F with 58% humidity. The wind averages 8.6 mph, most often from the north-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 57°F | 42°F | 58% | 7.2 mph | 38% |
| 9 a.m. | 67°F | 41°F | 39% | 8.2 mph | 34% |
| noon | 73°F | 39°F | 29% | 10.0 mph | 28% |
| 3 p.m. | 76°F | 38°F | 25% | 10.9 mph | 27% |
| 6 p.m. | 74°F | 37°F | 26% | 10.2 mph | 27% |
| 9 p.m. | 65°F | 42°F | 42% | 7.5 mph | 33% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024127. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for May in Salt Lake City?
The warmest May temperature on Salt Lake City's official record (since 1874) is 99°F, on May 29, 2003; the coldest is 25°F, on May 2, 1899. The wettest May brought 5.76 in (1908); the snowiest, 7.5 inches (1975).
The May mean against the 1991-2020 normal of 61.5°F: 2021 62.7°F (+1.2), 2022 59.4°F (−2.1), 2023 67.2°F (+5.7), 2024 58.8°F (−2.7), 2025 64.0°F (+2.5), 2026 64.0°F (+2.5). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 62.7°F | +1.2°F | 0.65 in |
| 2022 | 59.4°F | −2.1°F | 1.68 in |
| 2023 | 67.2°F | +5.7°F | 0.52 in |
| 2024 | 58.8°F | −2.7°F | 1.45 in |
| 2025 | 64.0°F | +2.5°F | 1.26 in |
| 2026 | 64.0°F | +2.5°F | 0.66 in |
Source: records: ACIS, NWS threaded record SLCthr; recent months: ACIS, station USW00024127. Records and recent months use complete months only.
How does May in Salt Lake City compare across Utah?
Across the 97 places PlainClimate covers in Utah, May normal highs run from 53°F in Alta to 85°F in St. George; Salt Lake City's is 73°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.