Weather on August 20
Davenport, IA
55 Years of Data
Avg High
82°F
Avg Low
65°F
Warmest
1983
87°F avg
Coldest
1985
63°F avg
About This Date
August 20th in Davenport, IA typically brings warm summer weather, with average highs around 82°F and lows near 65°F. Over 55 years of records, the warmest August 20th was in 1983 (87°F average), while the coldest was 1985 (63°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 35% of August 20th dates historically, with the wettest August 20th recording 8.03" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 20th in Davenport, IA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 70° | 79° | — | — |
| 2024 | 74° | 60° | 67° | — | — |
| 2023 | 94° | 72° | 83° | — | — |
| 2022 | 76° | 66° | 71° | 2.41" | — |
| 2021 | 88° | 66° | 77° | — | — |
| 2020 | 83° | 55° | 69° | — | — |
| 2019 | 83° | 65° | 74° | 1.91" | — |
| 2018 | 78° | 69° | 74° | 2.46" | — |
| 2017 | 80° | 61° | 70° | — | — |
| 2016 | 77° | 65° | 71° | 3.07" | — |
| 2015 | 76° | 58° | 67° | — | — |
| 2014 | 78° | 67° | 72° | — | — |
| 2013 | 87° | 69° | 78° | — | — |
| 2012 | 79° | 57° | 68° | — | — |
| 2011 | 83° | 70° | 76° | 0.56" | — |
| 2010 | 87° | 70° | 78° | — | — |
| 2009 | 77° | 64° | 71° | 1.83" | — |
| 2008 | 83° | 71° | 77° | — | — |
| 2007 | 78° | 69° | 74° | 2.03" | — |
| 2006 | 78° | 64° | 71° | 0.03" | — |
| 2005 | 87° | 71° | 79° | 0.89" | — |
| 2004 | 75° | 59° | 67° | — | — |
| 2003 | 96° | 72° | 84° | — | — |
| 2002 | 75° | 62° | 69° | — | — |
| 2001 | 80° | 59° | 70° | — | — |
| 2000 | 77° | 62° | 70° | — | — |
| 1999 | 80° | 62° | 71° | — | — |
| 1998 | 88° | 68° | 78° | — | — |
| 1997 | 78° | 62° | 70° | — | — |
| 1996 | 84° | 69° | 77° | 0.03" | — |
| 1995 | 84° | 66° | 75° | — | — |
| 1994 | 76° | 62° | 69° | — | — |
| 1993 | 81° | 71° | 76° | — | — |
| 1992 | 77° | 58° | 67° | — | — |
| 1991 | 77° | 57° | 67° | — | — |
| 1990 | 74° | 70° | 72° | 5.38" | — |
| 1989 | 84° | 70° | 77° | 0.69" | — |
| 1988 | 85° | 67° | 76° | — | — |
| 1987 | 85° | 59° | 72° | 0.2" | — |
| 1986 | 84° | 61° | 72° | — | — |
| 1985coldest | 73° | 53° | 63° | — | — |
| 1984 | 82° | 54° | 68° | — | — |
| 1983warmest | 98° | 75° | 87° | — | — |
| 1982 | 85° | 67° | 76° | — | — |
| 1981 | 79° | 55° | 67° | — | — |
| 1980 | 94° | 69° | 81° | 0.05" | — |
| 1979 | 83° | 64° | 73° | 8.03" | — |
| 1978 | 85° | 56° | 70° | 0.13" | — |
| 1977 | 76° | 58° | 67° | 0.51" | — |
| 1976 | 87° | 62° | 75° | — | — |
| 1975 | 84° | 66° | 75° | 0.64" | — |
| 1974 | 89° | 70° | 79° | — | — |
| 1973 | 84° | 68° | 76° | — | — |
| 1972 | 90° | 72° | 81° | — | — |
| 1971 | 92° | 69° | 80° | 0.08" | — |
55 years of data from DAVENPORT L&D 15