Weather on May 17
Seattle, WA
55 Years of Data
Avg High
65°F
Avg Low
49°F
Warmest
2008
72°F avg
Coldest
1999
45°F avg
About This Date
May 17th in Seattle, WA typically brings mild spring weather, with average highs around 65°F and lows near 49°F. Over 55 years of records, the warmest May 17th was in 2008 (72°F average), while the coldest was 1999 (45°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 45% of May 17th dates historically, with the wettest May 17th recording 1.63" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for May 17th in Seattle, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 58° | 50° | 54° | 1.42" | — |
| 2024 | 63° | 47° | 55° | — | — |
| 2023 | 77° | 56° | 66° | — | — |
| 2022 | 60° | 45° | 52° | — | — |
| 2021 | 62° | 51° | 57° | 0.08" | — |
| 2020 | 70° | 54° | 62° | 0.23" | — |
| 2019 | 65° | 53° | 59° | 0.38" | — |
| 2018 | 65° | 54° | 59° | — | — |
| 2017 | 60° | 47° | 53° | — | — |
| 2016 | 71° | 53° | 62° | — | — |
| 2015 | 69° | 55° | 62° | — | — |
| 2014 | 69° | 57° | 63° | — | — |
| 2013 | 66° | 54° | 60° | 0.05" | — |
| 2012 | 64° | 45° | 54° | 1.19" | — |
| 2011 | 63° | 40° | 51° | — | — |
| 2010 | 72° | 55° | 63° | 0.03" | — |
| 2009 | 75° | 52° | 63° | — | — |
| 2008warmest | 89° | 56° | 72° | — | — |
| 2007 | 64° | 48° | 56° | — | — |
| 2006 | 77° | 57° | 67° | — | — |
| 2005 | 61° | 46° | 53° | 0.23" | — |
| 2004 | 71° | 53° | 62° | 0.03" | — |
| 2003 | 56° | 41° | 48° | — | — |
| 2002 | 63° | 47° | 55° | 0.13" | — |
| 2001 | 57° | 42° | 50° | — | — |
| 2000 | 61° | 51° | 56° | — | — |
| 1999coldest | 58° | 32° | 45° | 0.91" | — |
| 1998 | 57° | 47° | 52° | 0.03" | — |
| 1997 | 68° | 53° | 61° | — | — |
| 1996 | 64° | 49° | 56° | 0.99" | — |
| 1995 | 55° | 48° | 52° | 0.05" | — |
| 1994 | 64° | 50° | 57° | — | — |
| 1993 | 83° | 51° | 67° | — | — |
| 1992 | 79° | 51° | 65° | — | — |
| 1991 | 56° | 51° | 53° | 0.74" | — |
| 1990 | 63° | 51° | 57° | — | — |
| 1989 | 53° | 44° | 49° | 1.63" | — |
| 1988 | 58° | 49° | 53° | — | — |
| 1987 | 63° | 47° | 55° | — | — |
| 1986 | 70° | 48° | 59° | 0.15" | — |
| 1985 | 75° | 53° | 64° | — | — |
| 1984 | 66° | 49° | 57° | — | — |
| 1983 | 58° | 52° | 55° | 0.03" | — |
| 1982 | 59° | 49° | 54° | 0.48" | — |
| 1981 | 62° | 48° | 55° | 0.03" | — |
| 1980 | 69° | 47° | 58° | — | — |
| 1979 | 67° | 50° | 58° | — | — |
| 1978 | 64° | 48° | 56° | 0.05" | — |
| 1977 | 59° | 50° | 55° | 0.05" | — |
| 1976 | 61° | 45° | 53° | — | — |
| 1975 | 64° | 51° | 58° | — | — |
| 1974 | 61° | 42° | 51° | 0.15" | — |
| 1973 | 77° | 53° | 65° | — | — |
| 1972 | 54° | 47° | 50° | 0.18" | — |
| 1971 | 62° | 42° | 52° | 0.05" | — |
55 years of data from SEATTLE URBAN SITE