Weather on May 15
Renton, WA
55 Years of Data
About This Date
May 15th in Renton, WA typically brings mild spring weather, with average highs around 67°F and lows near 48°F. Over 56 years of records, the warmest May 15th was in 1989 (76°F average), while the coldest was 1974 (46°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 15th dates historically, with the wettest May 15th recording 1.45" of rain. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Renton, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 53° | 47° | 50° | 0.64" | — |
| 2025 | 57° | 46° | 52° | 0.03" | — |
| 2024 | 76° | 52° | 64° | — | — |
| 2023 | 91° | 61° | 76° | — | — |
| 2022 | 61° | 52° | 56° | 0.91" | — |
| 2021 | 74° | 49° | 61° | — | — |
| 2020 | 69° | 53° | 61° | — | — |
| 2019 | 69° | 52° | 60° | — | — |
| 2018 | 72° | 56° | 64° | — | — |
| 2017 | 55° | 47° | 51° | 0.51" | — |
| 2016 | 56° | 53° | 54° | 0.1" | — |
| 2015 | 68° | 49° | 58° | — | — |
| 2014 | 81° | 56° | 68° | — | — |
| 2013 | 65° | 47° | 56° | 0.1" | — |
| 2012 | 74° | 51° | 62° | — | — |
| 2011 | 53° | 49° | 51° | 1.45" | — |
| 2010 | 71° | 48° | 60° | — | — |
| 2009 | 66° | 44° | 55° | — | — |
| 2008 | 70° | 53° | 61° | — | — |
| 2007 | 84° | 50° | 67° | — | — |
| 2006 | 80° | 53° | 67° | — | — |
| 2005 | 63° | 55° | 59° | 0.79" | — |
| 2004 | 60° | 50° | 55° | — | — |
| 2003 | 57° | 43° | 50° | 0.05" | — |
| 2002 | 61° | 42° | 51° | — | — |
| 2001 | 64° | 50° | 57° | 1.4" | — |
| 2000 | 74° | 53° | 63° | — | — |
| 1999 | 58° | 46° | 52° | 0.1" | — |
| 1998 | 59° | 46° | 53° | 0.03" | — |
| 1997 | 78° | 54° | 66° | — | — |
| 1996 | 64° | 48° | 56° | 0.03" | — |
| 1995 | 78° | 49° | 63° | — | — |
| 1994 | 63° | 48° | 55° | 0.66" | — |
| 1993 | 69° | 52° | 60° | — | — |
| 1992 | 68° | 46° | 57° | — | — |
| 1991 | 69° | 44° | 57° | — | — |
| 1990 | 57° | 43° | 50° | — | — |
| 1989warmest | 77° | 75° | 76° | — | — |
| 1988 | 73° | 50° | 62° | 0.33" | — |
| 1987 | 60° | 48° | 54° | — | — |
| 1986 | 65° | 36° | 50° | — | — |
| 1985 | 72° | 34° | 53° | — | — |
| 1984 | 61° | 45° | 53° | 0.1" | — |
| 1983 | 57° | 43° | 50° | 0.66" | — |
| 1982 | 71° | 38° | 54° | — | — |
| 1981 | 63° | 36° | 49° | — | — |
| 1980 | 60° | 45° | 52° | — | — |
| 1979 | 71° | — | — | — | — |
| 1978 | 59° | 47° | 53° | 0.08" | — |
| 1977 | 63° | 42° | 52° | — | — |
| 1976 | 76° | 40° | 58° | — | — |
| 1975 | 65° | 48° | 56° | — | — |
| 1974coldest | 55° | 37° | 46° | — | — |
| 1973 | 81° | 52° | 66° | — | — |
| 1972 | 75° | 52° | 63° | 0.23" | — |
| 1971 | 65° | 45° | 55° | 0.41" | — |
Renton, WA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Renton, WA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Renton, 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 Renton, WA
Renton, WA has no months that meet our "pleasant" threshold — every season has tradeoffs.