Salt Lake City weather in May
May in Salt Lake City: nice, a little rain — an excellent time to visit.
#3 of 12 months in Salt Lake City · #113 of 604 destinations to visit in May · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Salt Lake City climate normals — May
| Daytime high | 21°C / 70°F | 😎 nice |
|---|---|---|
| Nighttime low | 8°C / 47°F | |
| Feels like (high) | 20°C / 68°F | |
| Rainfall | 45 mm / 1.8 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 58% | 🍃 comfortable |
| Dew point | 5°C / 40°F | |
| Sunshine | 12.5 h/day | |
| Daylight | 14.5 h | |
| Wind | 15 km/h / 9 mph | |
| Snowfall | 0.5 cm / 0.2 in | |
| Air quality (US AQI) | 55 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Salt Lake City in May — FAQ
- Is May a good time to visit Salt Lake City?
- May in Salt Lake City: nice, a little rain — an excellent time to visit. It ranks #3 of 12 months for Salt Lake City on SeasonMap's comfort score (89/100).
- What is the weather like in Salt Lake City in May?
- In May, Salt Lake City averages a daily high of 21.2°C and a low of 8.1°C, with about 44.6 mm of rain over roughly 8.8 rainy days.
- What is the air quality in Salt Lake City in May?
- Salt Lake City has a mean US Air Quality Index of about 55 in May.