Weather on June 20
Seattle, WA
55 Years of Data
Avg High
71°F
Avg Low
54°F
Warmest
2004
72°F avg
Coldest
1991
54°F avg
About This Date
June 20th in Seattle, WA typically brings pleasant summer weather, with average highs around 71°F and lows near 54°F. Over 55 years of records, the warmest June 20th was in 2004 (72°F average), while the coldest was 1991 (54°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 29% of June 20th dates historically, with the wettest June 20th recording 3.05" 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 June 20th in Seattle, WA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 54° | 60° | — | — |
| 2024 | 82° | 59° | 71° | — | — |
| 2023 | 59° | 51° | 55° | 0.41" | — |
| 2022 | 68° | 54° | 61° | — | — |
| 2021 | 79° | 60° | 69° | — | — |
| 2020 | 74° | 60° | 67° | 0.03" | — |
| 2019 | 69° | 50° | 60° | — | — |
| 2018 | 84° | 61° | 72° | — | — |
| 2017 | 70° | 56° | 63° | — | — |
| 2016 | 76° | 57° | 66° | 1.42" | — |
| 2015 | 77° | 58° | 67° | — | — |
| 2014 | 69° | 56° | 62° | — | — |
| 2013 | 64° | 56° | 60° | — | — |
| 2012 | 74° | 50° | 62° | — | — |
| 2011 | 70° | 55° | 62° | — | — |
| 2010 | 57° | 55° | 56° | 0.43" | — |
| 2009 | 66° | 55° | 61° | — | — |
| 2008 | 82° | 52° | 67° | — | — |
| 2007 | 79° | 53° | 66° | — | — |
| 2006 | 68° | 54° | 61° | — | — |
| 2005 | 78° | 59° | 69° | — | — |
| 2004warmest | 88° | 57° | 72° | — | — |
| 2003 | 61° | 50° | 55° | 0.38" | — |
| 2002 | 75° | 51° | 63° | — | — |
| 2001 | 80° | 57° | 69° | — | — |
| 2000 | 75° | 51° | 63° | — | — |
| 1999 | 65° | 54° | 59° | 0.28" | — |
| 1998 | 73° | 53° | 63° | — | — |
| 1997 | 70° | 51° | 60° | 0.64" | — |
| 1996 | 76° | 49° | 62° | — | — |
| 1995 | 66° | 54° | 60° | 0.08" | — |
| 1994 | 76° | 52° | 64° | — | — |
| 1993 | 74° | 52° | 63° | — | — |
| 1992 | 78° | 55° | 67° | — | — |
| 1991coldest | 56° | 52° | 54° | 0.86" | — |
| 1990 | 75° | 57° | 66° | — | — |
| 1989 | 67° | 49° | 58° | 0.03" | — |
| 1988 | 73° | 55° | 64° | — | — |
| 1987 | 63° | 56° | 59° | 0.25" | — |
| 1986 | 68° | 54° | 61° | 0.1" | — |
| 1985 | 73° | 56° | 64° | — | — |
| 1984 | 59° | 56° | 57° | 3.05" | — |
| 1983 | 68° | 52° | 60° | 0.91" | — |
| 1982 | 82° | 61° | 71° | — | — |
| 1981 | 66° | 56° | 61° | — | — |
| 1980 | 74° | 53° | 63° | — | — |
| 1979 | 65° | 52° | 58° | — | — |
| 1978 | 76° | 53° | 64° | — | — |
| 1977 | 67° | 55° | 61° | — | — |
| 1976 | 69° | 51° | 60° | — | — |
| 1975 | 63° | 54° | 58° | — | — |
| 1974 | 69° | 55° | 62° | — | — |
| 1973 | 80° | 53° | 67° | — | — |
| 1972 | 60° | 54° | 57° | 0.2" | — |
| 1971 | 71° | 56° | 63° | 0.03" | — |
55 years of data from SEATTLE URBAN SITE