Weather on August 20
Salt Lake City, UT
55 Years of Data
Avg High
90°F
Avg Low
64°F
Warmest
2020
88°F avg
Coldest
1974
61°F avg
About This Date
August 20th in Salt Lake City, UT typically brings hot summer weather, with average highs around 90°F and lows near 64°F — a 26°F daily swing. Over 55 years of records, the warmest August 20th was in 2020 (88°F average), while the coldest was 1974 (61°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 20th dates historically, with the wettest August 20th recording 2.46" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for August 20th in Salt Lake City, UT? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 99° | 71° | 85° | — | — |
| 2024 | 99° | 73° | 86° | — | — |
| 2023 | 83° | 67° | 75° | — | — |
| 2022 | 78° | 69° | 74° | — | — |
| 2021 | 77° | 54° | 65° | — | — |
| 2020warmest | 98° | 78° | 88° | — | — |
| 2019 | 98° | 71° | 85° | — | — |
| 2018 | 92° | 67° | 79° | — | — |
| 2017 | 96° | 70° | 83° | — | — |
| 2016 | 90° | 61° | 75° | — | — |
| 2015 | 90° | 62° | 76° | — | — |
| 2014 | 81° | 61° | 71° | 0.79" | — |
| 2013 | 95° | 73° | 84° | — | — |
| 2012 | 90° | 69° | 79° | — | — |
| 2011 | 95° | 71° | 83° | 0.03" | — |
| 2010 | 93° | 61° | 77° | — | — |
| 2009 | 94° | 60° | 77° | — | — |
| 2008 | 90° | 61° | 75° | — | — |
| 2007 | 88° | 59° | 73° | — | — |
| 2006 | 94° | 62° | 78° | — | — |
| 2005 | 92° | 62° | 77° | — | — |
| 2004 | 82° | 61° | 71° | — | — |
| 2003 | 95° | 69° | 82° | — | — |
| 2002 | 92° | 65° | 78° | — | — |
| 2001 | 89° | 61° | 75° | 1.04" | — |
| 2000 | 85° | 60° | 72° | — | — |
| 1999 | 92° | 65° | 78° | 0.38" | — |
| 1998 | 88° | 66° | 77° | 0.05" | — |
| 1997 | 96° | 68° | 82° | — | — |
| 1996 | 96° | 68° | 82° | — | — |
| 1995 | 92° | 62° | 77° | — | — |
| 1994 | 96° | 69° | 83° | — | — |
| 1993 | 89° | 67° | 78° | — | — |
| 1992 | 98° | 68° | 83° | 0.05" | — |
| 1991 | 94° | 61° | 77° | — | — |
| 1990 | 84° | 63° | 73° | — | — |
| 1989 | 86° | 60° | 73° | 0.15" | — |
| 1988 | 92° | 72° | 82° | — | — |
| 1987 | 94° | 69° | 81° | — | — |
| 1986 | 87° | 65° | 76° | 2.46" | — |
| 1985 | 94° | 69° | 81° | — | — |
| 1984 | 85° | 63° | 74° | — | — |
| 1983 | 85° | 64° | 74° | 0.08" | — |
| 1982 | 96° | 67° | 81° | — | — |
| 1981 | 94° | 63° | 78° | — | — |
| 1980 | 79° | 48° | 63° | — | — |
| 1979 | 75° | 57° | 66° | 0.13" | — |
| 1978 | 88° | 53° | 70° | — | — |
| 1977 | 90° | 60° | 75° | — | — |
| 1976 | 90° | 52° | 71° | — | — |
| 1975 | 80° | 50° | 65° | — | — |
| 1974coldest | 72° | 50° | 61° | — | — |
| 1973 | 96° | 66° | 81° | — | — |
| 1972 | 87° | 58° | 72° | — | — |
| 1971 | 94° | 58° | 76° | — | — |
55 years of data from SALT LAKE CITY SUB SEW