Weather on August 20
Norman, OK
55 Years of Data
Avg High
92°F
Avg Low
70°F
Warmest
1980
90°F avg
Coldest
2004
65°F avg
About This Date
August 20th in Norman, OK typically brings hot summer weather, with average highs around 92°F and lows near 70°F. Over 55 years of records, the warmest August 20th was in 1980 (90°F average), while the coldest was 2004 (65°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 24% of August 20th dates historically, with the wettest August 20th recording 5.26" 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 Norman, OK? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 96° | 71° | 84° | — | — |
| 2024 | 90° | 73° | 81° | — | — |
| 2023 | 106° | 72° | 89° | — | — |
| 2022 | 97° | 70° | 83° | 0.03" | — |
| 2021 | 94° | 76° | 85° | — | — |
| 2020 | 90° | 63° | 76° | — | — |
| 2019 | 101° | 77° | 89° | — | — |
| 2018 | 82° | 66° | 74° | — | — |
| 2017 | 92° | 75° | 83° | — | — |
| 2016 | 85° | 67° | 76° | 0.36" | — |
| 2015 | 81° | 52° | 66° | — | — |
| 2014 | 95° | 74° | 84° | — | — |
| 2013 | 91° | 68° | 80° | — | — |
| 2012 | 89° | 59° | 74° | — | — |
| 2011 | 103° | 78° | 90° | — | — |
| 2010 | 101° | 79° | 90° | — | — |
| 2009 | 84° | 66° | 75° | 0.41" | — |
| 2008 | 70° | 65° | 67° | 1.88" | — |
| 2007 | 84° | 74° | 79° | 5.26" | — |
| 2006 | 101° | 74° | 87° | 0.28" | — |
| 2005 | 95° | 71° | 83° | 0.1" | — |
| 2004coldest | 73° | 57° | 65° | — | — |
| 2003 | 97° | 76° | 86° | — | — |
| 2002 | 94° | 74° | 84° | — | — |
| 2001 | 100° | 73° | 87° | — | — |
| 2000 | 100° | 73° | 87° | — | — |
| 1999 | 91° | 63° | 77° | — | — |
| 1998 | 101° | 75° | 88° | — | — |
| 1997 | 90° | 73° | 81° | — | — |
| 1996 | 92° | 70° | 81° | — | — |
| 1995 | 97° | 74° | 85° | — | — |
| 1994 | 83° | 67° | 75° | 0.64" | — |
| 1993 | 101° | 71° | 86° | — | — |
| 1992 | 84° | 62° | 73° | — | — |
| 1991 | 89° | 69° | 79° | 2.29" | — |
| 1990 | 96° | 75° | 86° | — | — |
| 1989 | 95° | 74° | 84° | — | — |
| 1988 | 94° | 72° | 83° | 0.13" | — |
| 1987 | 98° | 74° | 86° | — | — |
| 1986 | 95° | 77° | 86° | — | — |
| 1985 | 91° | 71° | 81° | — | — |
| 1984 | 94° | 72° | 83° | — | — |
| 1983 | 85° | 67° | 76° | 4.65" | — |
| 1982 | 95° | 67° | 81° | — | — |
| 1981 | 81° | 60° | 70° | — | — |
| 1980warmest | 103° | 78° | 90° | 0.25" | — |
| 1979 | 92° | 67° | 79° | 0.33" | — |
| 1978 | 95° | 68° | 82° | — | — |
| 1977 | 80° | 65° | 72° | — | — |
| 1976 | 92° | 63° | 77° | — | — |
| 1975 | 93° | 73° | 83° | — | — |
| 1974 | 97° | 71° | 84° | — | — |
| 1973 | 97° | 68° | 82° | — | — |
| 1972 | 98° | 71° | 85° | — | — |
| 1971 | 91° | 65° | 78° | — | — |
55 years of data from NORMAN 2NW MESONET