Weather on June 30
Seattle, WA
55 Years of Data
Avg High
74°F
Avg Low
56°F
Warmest
2013
78°F avg
Coldest
1971
58°F avg
About This Date
June 30th in Seattle, WA typically brings pleasant summer weather, with average highs around 74°F and lows near 56°F. Over 55 years of records, the warmest June 30th was in 2013 (78°F average), while the coldest was 1971 (58°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 22% of June 30th dates historically, with the wettest June 30th recording 1.37" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for June 30th in Seattle, WA? Great weather for outdoor activities.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 61° | 73° | — | — |
| 2024 | 78° | 61° | 69° | — | — |
| 2023 | 78° | 60° | 69° | — | — |
| 2022 | 74° | 54° | 64° | — | — |
| 2021 | 75° | 61° | 68° | — | — |
| 2020 | 65° | 55° | 60° | — | — |
| 2019 | 80° | 57° | 69° | — | — |
| 2018 | 65° | 58° | 61° | 0.03" | — |
| 2017 | 83° | 57° | 70° | — | — |
| 2016 | 73° | 57° | 65° | — | — |
| 2015 | 88° | 62° | 75° | — | — |
| 2014 | 78° | 58° | 68° | — | — |
| 2013warmest | 91° | 64° | 78° | — | — |
| 2012 | 69° | 59° | 64° | — | — |
| 2011 | 67° | 53° | 60° | — | — |
| 2010 | 67° | 51° | 59° | — | — |
| 2009 | 74° | 53° | 63° | — | — |
| 2008 | 83° | 58° | 70° | — | — |
| 2007 | 72° | 50° | 61° | 0.03" | — |
| 2006 | 86° | 59° | 73° | — | — |
| 2005 | 76° | 58° | 67° | — | — |
| 2004 | 81° | 54° | 67° | — | — |
| 2003 | 73° | 58° | 65° | 0.2" | — |
| 2002 | 69° | 57° | 63° | 0.25" | — |
| 2001 | 73° | 53° | 63° | — | — |
| 2000 | 66° | 56° | 61° | — | — |
| 1999 | 67° | 57° | 62° | 0.03" | — |
| 1998 | 77° | 56° | 66° | — | — |
| 1997 | 72° | 52° | 62° | — | — |
| 1996 | 78° | 51° | 65° | — | — |
| 1995 | 93° | 61° | 77° | — | — |
| 1994 | 72° | 55° | 63° | — | — |
| 1993 | 74° | 55° | 64° | 0.1" | — |
| 1992 | 75° | 53° | 64° | — | — |
| 1991 | 71° | 55° | 63° | — | — |
| 1990 | 72° | 65° | 68° | — | — |
| 1989 | 68° | 55° | 62° | 0.61" | — |
| 1988 | 70° | 54° | 62° | — | — |
| 1987 | 82° | 62° | 72° | — | — |
| 1986 | 75° | 52° | 63° | — | — |
| 1985 | 74° | 53° | 63° | — | — |
| 1984 | 67° | 54° | 60° | — | — |
| 1983 | 70° | 56° | 63° | 0.03" | — |
| 1982 | 65° | 57° | 61° | 1.37" | — |
| 1981 | 64° | 57° | 61° | 0.89" | — |
| 1980 | 71° | 50° | 61° | — | — |
| 1979 | 67° | 56° | 61° | 0.2" | — |
| 1978 | 72° | 61° | 66° | — | — |
| 1977 | 77° | 52° | 64° | — | — |
| 1976 | 69° | 55° | 62° | — | — |
| 1975 | 75° | 49° | 62° | — | — |
| 1974 | 79° | 55° | 67° | — | — |
| 1973 | 66° | 52° | 59° | 0.18" | — |
| 1972 | 74° | 52° | 63° | — | — |
| 1971coldest | 65° | 51° | 58° | — | — |
55 years of data from SEATTLE URBAN SITE