Salt Lake City weather in August
August in Salt Lake City: hot, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Salt Lake City · #224 of 604 destinations to visit in August · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Salt Lake City climate normals — August
| Daytime high | 32°C / 90°F | 🥵 hot |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 30 mm / 1.2 in | 🌦 some rain |
| Rainy days | 4 days | |
| Humidity | 56% | 🍃 comfortable |
| Dew point | 13°C / 56°F | |
| Sunshine | 12.5 h/day | |
| Daylight | 13.8 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Salt Lake City in August — FAQ
- Is August a good time to visit Salt Lake City?
- August in Salt Lake City: hot, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Salt Lake City on SeasonMap's comfort score (84/100).
- What is the weather like in Salt Lake City in August?
- In August, Salt Lake City averages a daily high of 32.2°C and a low of 18°C, with about 30.1 mm of rain over roughly 4 rainy days.
- What is the air quality in Salt Lake City in August?
- Salt Lake City has a mean US Air Quality Index of about 45 in August.