Weather on May 9
Renton, WA
55 Years of Data
Avg High
66°F
Avg Low
45°F
Warmest
2020
69°F avg
Coldest
1999
47°F avg
About This Date
May 9th in Renton, WA typically brings mild spring weather, with average highs around 66°F and lows near 45°F. Over 55 years of records, the warmest May 9th was in 2020 (69°F average), while the coldest was 1999 (47°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 29% of May 9th dates historically, with the wettest May 9th recording 1.8" of rain. The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
Planning for May 9th in Renton, WA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 44° | 57° | — | — |
| 2024 | 74° | 45° | 59° | — | — |
| 2023 | 66° | 51° | 59° | — | — |
| 2022 | 59° | 42° | 51° | — | — |
| 2021 | 64° | 49° | 56° | — | — |
| 2020warmest | 86° | 52° | 69° | — | — |
| 2019 | 80° | 54° | 67° | — | — |
| 2018 | 69° | 55° | 62° | — | — |
| 2017 | 70° | 43° | 56° | — | — |
| 2016 | 67° | 48° | 57° | — | — |
| 2015 | 78° | 47° | 62° | — | — |
| 2014 | 58° | 47° | 52° | 0.23" | — |
| 2013 | 70° | 49° | 59° | — | — |
| 2012 | 57° | 45° | 51° | 0.03" | — |
| 2011 | 58° | 50° | 54° | — | — |
| 2010 | 68° | 41° | 55° | — | — |
| 2009 | 64° | 44° | 54° | — | — |
| 2008 | 60° | 43° | 51° | — | — |
| 2007 | 62° | 47° | 54° | — | — |
| 2006 | 61° | 39° | 50° | — | — |
| 2005 | 59° | 53° | 56° | 1.8" | — |
| 2004 | 67° | 45° | 56° | 0.03" | — |
| 2003 | 63° | 44° | 53° | — | — |
| 2002 | 59° | 45° | 52° | — | — |
| 2001 | 64° | 43° | 53° | — | — |
| 2000 | 55° | 47° | 51° | 1.73" | — |
| 1999coldest | 55° | 40° | 47° | 0.18" | — |
| 1998 | 55° | 47° | 51° | 0.3" | — |
| 1997 | 76° | 50° | 63° | — | — |
| 1996 | 59° | 39° | 49° | — | — |
| 1995 | 65° | 50° | 57° | 0.08" | — |
| 1994 | 74° | 49° | 61° | — | — |
| 1993 | 65° | 44° | 54° | 0.53" | — |
| 1992 | 54° | 46° | 50° | — | — |
| 1991 | 56° | 42° | 49° | — | — |
| 1990 | 70° | 45° | 57° | — | — |
| 1989 | 66° | 49° | 57° | 0.13" | — |
| 1988 | 69° | 50° | 60° | — | — |
| 1987 | 82° | 52° | 67° | — | — |
| 1986 | 60° | 44° | 52° | 0.43" | — |
| 1985 | 67° | 31° | 49° | — | — |
| 1984 | 62° | 45° | 53° | 0.48" | — |
| 1983 | 58° | 42° | 50° | — | — |
| 1982 | 61° | 46° | 53° | — | — |
| 1981 | 64° | 49° | 56° | 0.2" | — |
| 1980 | 62° | 46° | 54° | — | — |
| 1979 | — | 45° | — | — | — |
| 1978 | 70° | 46° | 58° | 0.13" | — |
| 1977 | 71° | 38° | 54° | — | — |
| 1976 | 81° | 44° | 62° | — | — |
| 1975 | 82° | 42° | 62° | — | — |
| 1974 | 59° | 45° | 52° | 0.3" | — |
| 1973 | 60° | 41° | 51° | 0.64" | — |
| 1972 | 61° | 42° | 51° | — | — |
| 1971 | 66° | 37° | 52° | — | — |
55 years of data from RENTON MUNI AP