Weather on August 12
Seattle, WA
55 Years of Data
Avg High
78°F
Avg Low
59°F
Warmest
2021
80°F avg
Coldest
1974
61°F avg
About This Date
August 12th in Seattle, WA typically brings pleasant summer weather, with average highs around 78°F and lows near 59°F. Over 54 years of records, the warmest August 12th was in 2021 (80°F average), while the coldest was 1974 (61°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 11% of August 12th dates historically, with the wettest August 12th recording 0.61" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for August 12th in Seattle, WA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 67° | 79° | — | — |
| 2024 | 75° | 60° | 68° | — | — |
| 2023 | 80° | 63° | 71° | — | — |
| 2022 | 79° | 58° | 68° | — | — |
| 2021warmest | 90° | 70° | 80° | — | — |
| 2020 | 71° | 57° | 64° | — | — |
| 2019 | 79° | 61° | 70° | — | — |
| 2018 | 73° | 58° | 65° | — | — |
| 2017 | 76° | 59° | 67° | 0.05" | — |
| 2016 | 87° | 62° | 75° | — | — |
| 2015 | 85° | 66° | 75° | 0.1" | — |
| 2014 | 83° | 67° | 75° | — | — |
| 2013 | 79° | 61° | 70° | — | — |
| 2012 | 84° | 60° | 72° | — | — |
| 2011 | 76° | 55° | 65° | — | — |
| 2010 | 78° | 56° | 67° | — | — |
| 2009 | 76° | 60° | 68° | 0.1" | — |
| 2008 | 79° | 58° | 68° | — | — |
| 2007 | 71° | 57° | 64° | — | — |
| 2006 | 75° | 53° | 64° | — | — |
| 2005 | 76° | 58° | 67° | — | — |
| 2004 | 82° | 62° | 72° | — | — |
| 2003 | 77° | 56° | 66° | — | — |
| 2002 | 81° | 60° | 70° | — | — |
| 2001 | 83° | 60° | 71° | — | — |
| 2000 | 73° | 52° | 62° | — | — |
| 1999 | 73° | 58° | 65° | — | — |
| 1997 | 87° | 60° | 74° | — | — |
| 1996 | 78° | 57° | 68° | — | — |
| 1995 | 66° | 55° | 61° | 0.61" | — |
| 1994 | 80° | 59° | 70° | — | — |
| 1993 | 72° | 56° | 64° | — | — |
| 1992 | 91° | 64° | 78° | — | — |
| 1991 | 78° | 55° | 67° | 0.08" | — |
| 1990 | 84° | 66° | 75° | — | — |
| 1989 | 74° | 53° | 63° | — | — |
| 1988 | 71° | 58° | 64° | — | — |
| 1987 | 66° | 57° | 62° | 0.3" | — |
| 1986 | 76° | 61° | 68° | — | — |
| 1985 | 77° | 57° | 67° | — | — |
| 1984 | 69° | 61° | 65° | — | — |
| 1983 | 76° | 58° | 67° | — | — |
| 1982 | 70° | 59° | 64° | — | — |
| 1981 | 85° | 65° | 75° | — | — |
| 1980 | 70° | 61° | 65° | — | — |
| 1979 | 80° | 54° | 67° | — | — |
| 1978 | 70° | 58° | 64° | — | — |
| 1977 | 93° | 63° | 78° | — | — |
| 1976 | 73° | 60° | 67° | — | — |
| 1975 | 77° | 55° | 66° | — | — |
| 1974coldest | 70° | 53° | 61° | — | — |
| 1973 | 83° | 57° | 70° | — | — |
| 1972 | 71° | 56° | 63° | — | — |
| 1971 | 82° | 58° | 70° | — | — |
54 years of data from SEATTLE URBAN SITE