Weather on June 21
Seattle, WA
55 Years of Data
About This Date
June 21st in Seattle, WA typically brings pleasant summer weather, with average highs around 72°F and lows near 55°F. Over 55 years of records, the warmest June 21st was in 2021 (75°F average), while the coldest was 1975 (55°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 22% of June 21st dates historically. 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 21st in Seattle, WA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 52° | 56° | 0.38" | — |
| 2024 | 87° | 60° | 74° | — | — |
| 2023 | 69° | 51° | 60° | — | — |
| 2022 | 77° | 54° | 65° | — | — |
| 2021warmest | 88° | 62° | 75° | — | — |
| 2020 | 70° | 58° | 64° | — | — |
| 2019 | 72° | 56° | 64° | — | — |
| 2018 | 70° | 59° | 64° | — | — |
| 2017 | 69° | 55° | 62° | — | — |
| 2016 | 73° | 56° | 64° | 0.18" | — |
| 2015 | 81° | 60° | 70° | — | — |
| 2014 | 73° | 53° | 63° | — | — |
| 2013 | 71° | 55° | 63° | 0.03" | — |
| 2012 | 73° | 54° | 63° | — | — |
| 2011 | 78° | 54° | 66° | — | — |
| 2010 | 66° | 53° | 60° | — | — |
| 2009 | 66° | 53° | 60° | 0.03" | — |
| 2008 | 78° | 57° | 68° | — | — |
| 2007 | 73° | 57° | 65° | — | — |
| 2006 | 68° | 53° | 61° | — | — |
| 2005 | 72° | 58° | 65° | 0.1" | — |
| 2004 | 87° | 61° | 74° | — | — |
| 2003 | 62° | 50° | 56° | 0.38" | — |
| 2002 | 84° | 58° | 71° | — | — |
| 2001 | 79° | 58° | 68° | — | — |
| 2000 | 72° | 58° | 65° | — | — |
| 1999 | 62° | 54° | 58° | 0.43" | — |
| 1998 | 79° | 52° | 65° | — | — |
| 1997 | 64° | 53° | 59° | 0.2" | — |
| 1996 | 72° | 53° | 62° | — | — |
| 1995 | 70° | 55° | 62° | — | — |
| 1994 | 80° | 54° | 67° | — | — |
| 1993 | 63° | 51° | 57° | 0.05" | — |
| 1992 | 90° | 57° | 73° | — | — |
| 1991 | 62° | 51° | 57° | — | — |
| 1990 | 85° | 56° | 70° | — | — |
| 1989 | 67° | 49° | 58° | — | — |
| 1988 | 80° | 58° | 69° | — | — |
| 1987 | 64° | 55° | 60° | — | — |
| 1986 | 75° | 51° | 63° | — | — |
| 1985 | 76° | 55° | 65° | — | — |
| 1984 | 63° | 55° | 59° | 0.2" | — |
| 1983 | 73° | 50° | 62° | — | — |
| 1982 | 77° | 58° | 67° | — | — |
| 1981 | 59° | 55° | 57° | — | — |
| 1980 | 69° | 57° | 63° | — | — |
| 1979 | 69° | 51° | 60° | — | — |
| 1978 | 70° | 57° | 63° | — | — |
| 1977 | 72° | 58° | 65° | — | — |
| 1976 | 65° | 55° | 60° | — | — |
| 1975coldest | 58° | 53° | 55° | — | — |
| 1974 | 74° | 54° | 64° | — | — |
| 1973 | 85° | 57° | 71° | 0.05" | — |
| 1972 | 62° | 52° | 57° | 0.05" | — |
| 1971 | 80° | 53° | 67° | — | — |
Seattle, WA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Seattle, WA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Seattle, WA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Seattle, WA
Seattle, WA has no months that meet our "pleasant" threshold — every season has tradeoffs.