Weather in Salt Lake City in August 2025
Average weather
Average temperature in Salt Lake City in August
Going from a maximum of +37°C during the day to a minimum of +15°C during the night, the temperature in August averages around +32°C.
The average maximum temperature goes up 18% by the end of the month, compared with the beginning of the month, from +31°C to +35°C.
Is Salt Lake City warm or cold in August?
Salt Lake City is typically hot in August.
Maximum temperatures go down compared to the previous month from +33°C to +32°C. The minimum temperature also goes down from +18°C to +17°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
August is one of the warmest months in Salt Lake City, here is the comparison with other months:
Climate in Salt Lake City in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +33°C | +32°C | +26°C | ||||
| Min. temperature | ||||||
| +8°C | +7°C | 0°C | ||||
| Max. temperature | ||||||
| +40°C | +39°C | +39°C | ||||
| Rainfall | ||||||
| 17 mm | 20 mm | 42 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 42% | 43% | 50% | ||||
| Air pressure | ||||||
| 1011 HPa | 1011 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 11 | 11 | 13 | ||||
| Cloudy days | ||||||
| 9 | 9 | 7 | ||||
| Rainy days | ||||||
| 9 | 10 | 9 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. It’s getting colder in August. From +33°C in the day, the average maximum temperature lowers to +32°C. Prepare for more rain. Average rainfall goes from 17 mm to 20 mm. Humidity rises from 42% to 43%. The average wind speed doesn’t change much during August, staying around 2 m/s. The amount of sunny days stay about the same, averaging 11 sunny days during the month.
September brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Salt Lake City is gradually decreasing during August, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last August in Salt Lake City?
Climate Change over Years
The climate in Salt Lake City in August has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+14°C) and the highest in 2021 (+20°C). The driest year was 2008 with only 265 mm of rainfall, and the wettest year was 2019 with 885 mm.
FAQ
Is August a good time to visit Salt Lake City?
Can you sunbathe in Salt Lake City in August?
Is Salt Lake City rainy in August?
Is it sunny in Salt Lake City in August?
Other cities in USA
Monthly weather in Salt Lake City
Source of the data
For this page, we’ve looked at the typical weather in Salt Lake City, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.