August weather in Delta, UT
The average temperature in Delta in August is 74.2°F (55.6°F–92.9°F). Average precipitation: 0.54 inches.
August is a summer month in Delta, and is warmer than the annual average of 50.6°F. Daily temperatures swing about 37.3°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 13h 33m. For travel, August is hot.
Avg High
92.9°F
Avg Low
55.6°F
Precipitation
0.54 in
Daylight
13h 33m
August records in Delta
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 109.9°F (1938) | 48.0°F (1950) | 0.33 in (1965) |
| August 2 | 105.1°F (2020) | 46.0°F (1975) | 1.32 in (2007) |
| August 3 | 104.0°F (2020) | 46.9°F (1944) | 0.50 in (1959) |
| August 4 | 104.0°F (2022) | 45.0°F (1976) | 0.34 in (1973) |
| August 5 | 102.9°F (2001) | 46.0°F (2002) | 0.54 in (1955) |
| August 6 | 102.9°F (2024) | 46.0°F (1950) | 0.38 in (1971) |
| August 7 | 105.1°F (1998) | 43.0°F (1996) | 0.25 in (2006) |
| August 8 | 105.1°F (2001) | 39.9°F (1939) | 0.12 in (1982) |
| August 9 | 104.0°F (1940) | 39.9°F (2002) | 0.45 in (1997) |
| August 10 | 102.9°F (2003) | 41.0°F (2002) | 0.82 in (1947) |
| August 11 | 106.0°F (1938) | 42.1°F (2002) | 0.45 in (1994) |
| August 12 | 107.1°F (1938) | 39.0°F (1985) | 0.26 in (1997) |
| August 13 | 105.1°F (2025) | 42.1°F (2015) | 0.62 in (1965) |
| August 14 | 105.1°F (2003) | 41.0°F (2002) | 0.28 in (1984) |
| August 15 | 102.9°F (2021) | 41.0°F (1978) | 0.90 in (1965) |
| August 16 | 104.0°F (2002) | 39.0°F (1976) | 0.41 in (2005) |
| August 17 | 102.9°F (1939) | 39.9°F (2009) | 0.22 in (1977) |
| August 18 | 106.0°F (2001) | 43.0°F (2009) | 4.39 in (2021) |
| August 19 | 104.0°F (2020) | 37.0°F (2021) | 1.44 in (2021) |
| August 20 | 102.9°F (2025) | 37.0°F (1980) | 0.72 in (1999) |
| August 21 | 102.0°F (2025) | 39.0°F (1964) | 0.27 in (2001) |
| August 22 | 105.1°F (2009) | 39.0°F (1974) | 0.30 in (2023) |
| August 23 | 102.0°F (2020) | 39.9°F (1960) | 1.01 in (2014) |
| August 24 | 105.1°F (2011) | 37.9°F (2002) | 0.34 in (1977) |
| August 25 | 106.0°F (2011) | 39.0°F (1989) | 0.26 in (1952) |
| August 26 | 102.0°F (2010) | 37.0°F (1992) | 0.24 in (1977) |
| August 27 | 102.0°F (2020) | 35.1°F (1992) | 0.35 in (1947) |
| August 28 | 100.0°F (2009) | 37.0°F (1992) | 0.36 in (2025) |
| August 29 | 100.0°F (2012) | 39.9°F (1964) | 0.17 in (2011) |
| August 30 | 100.9°F (2007) | 39.0°F (1942) | 0.21 in (1986) |
| August 31 | 102.0°F (2022) | 37.0°F (1962) | 0.38 in (2008) |