Weather on August 20
Vancouver, WA
55 Years of Data
Avg High
79°F
Avg Low
54°F
Warmest
2016
79°F avg
Coldest
1985
54°F avg
About This Date
August 20th in Vancouver, WA typically brings pleasant summer weather, with average highs around 79°F and lows near 54°F — a 25°F daily swing. Over 55 years of records, the warmest August 20th was in 2016 (79°F average), while the coldest was 1985 (54°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 20% of August 20th dates historically, with the wettest August 20th recording 0.61" of rain. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for August 20th in Vancouver, WA? Great weather for outdoor activities.
Warming Trend
2.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 59° | 71° | — | — |
| 2024 | 79° | 57° | 68° | — | — |
| 2023 | 87° | 55° | 71° | — | — |
| 2022 | 79° | 63° | 71° | — | — |
| 2021 | 73° | 60° | 67° | — | — |
| 2020 | 84° | 64° | 74° | 0.05" | — |
| 2019 | 85° | 55° | 70° | — | — |
| 2018 | 83° | 57° | 70° | — | — |
| 2017 | 80° | 56° | 68° | — | — |
| 2016warmest | 99° | 60° | 79° | — | — |
| 2015 | 79° | 58° | 68° | — | — |
| 2014 | 77° | 59° | 68° | — | — |
| 2013 | 82° | 55° | 69° | — | — |
| 2012 | 80° | 56° | 68° | — | — |
| 2011 | 95° | 56° | 75° | — | — |
| 2010 | 75° | 52° | 63° | — | — |
| 2009 | 87° | 62° | 75° | — | — |
| 2008 | 72° | 61° | 66° | 0.61" | — |
| 2007 | 68° | 63° | 65° | 0.3" | — |
| 2006 | 91° | 53° | 72° | — | — |
| 2005 | 86° | 58° | 72° | — | — |
| 2004 | 88° | 59° | 73° | — | — |
| 2003 | 86° | 50° | 68° | — | — |
| 2002 | 73° | 54° | 63° | — | — |
| 2001 | 76° | 49° | 62° | — | — |
| 2000 | 74° | 47° | 60° | 0.03" | — |
| 1999 | 82° | 57° | 70° | — | — |
| 1998 | 82° | 55° | 69° | — | — |
| 1997 | 68° | 62° | 65° | — | — |
| 1996 | 76° | 58° | 67° | — | — |
| 1995 | 92° | 57° | 74° | — | — |
| 1994 | 79° | 60° | 69° | — | — |
| 1993 | 83° | 60° | 71° | 0.18" | — |
| 1992 | 83° | 49° | 66° | — | — |
| 1991 | 87° | 48° | 68° | — | — |
| 1990 | 76° | 58° | 67° | 0.03" | — |
| 1989 | 71° | 54° | 62° | 0.05" | — |
| 1988 | 76° | 42° | 59° | — | — |
| 1987 | 81° | 43° | 62° | — | — |
| 1986 | 78° | 48° | 63° | — | — |
| 1985coldest | 64° | 45° | 54° | — | — |
| 1984 | 75° | 43° | 59° | — | — |
| 1983 | 78° | 48° | 63° | — | — |
| 1982 | 83° | 57° | 70° | — | — |
| 1981 | 66° | 57° | 62° | — | — |
| 1980 | 77° | 50° | 64° | — | — |
| 1979 | 66° | 51° | 59° | 0.38" | — |
| 1978 | 66° | 52° | 59° | 0.53" | — |
| 1977 | 76° | 52° | 64° | — | — |
| 1976 | 69° | 52° | 60° | 0.15" | — |
| 1975 | 65° | 54° | 59° | — | — |
| 1974 | 61° | 51° | 56° | 0.3" | — |
| 1973 | 79° | 40° | 59° | — | — |
| 1972 | 80° | 54° | 67° | — | — |
| 1971 | 85° | 57° | 71° | — | — |
55 years of data from VANCOUVER PEARSON AP