Joshua Tree National Park / Public domain
Renton, WA Weather on May 17
May 17th in Renton, WA typically brings mild spring weather, with average highs around 66°F and lows near 48°F. Over 55 years of records, the warmest May 17th was in 2008 (73°F average), while the coldest was 1974 (48°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 38% of May 17th dates historically, with the wettest May 17th recording 2.08" of rain. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
What to Expect on May 17
Planning for May 17th in Renton, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
May 17 Weather Records for Renton
- •The all-time record high for May 17th in Renton, WA is 91°F, set in 2008.
- •The coldest May 17th on record dropped to 36°F in 1974.
- •Temperatures have reached 90°F or higher on May 17th in 1 of the last 55 years.
- •Last year (1971), May 17th was 6°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest May 17 ever in Renton?
The warmest May 17 in Renton, WA reached 91°F in 2008. That is 25°F above the long-term average high of 66°F.
What was the coldest May 17 ever in Renton?
The coldest May 17 in Renton, WA dropped to 36°F in 1974. That is 12°F below the long-term average low of 48°F.
What is the average temperature on May 17 in Renton?
On May 17, Renton averages a high of 66°F and a low of 48°F based on 55 years of NOAA weather observations from RENTON MUNI AP.
How many years of weather data are available for May 17 in Renton?
We have 55 years of weather records for May 17 in Renton, WA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
May 17 Weather History in Renton
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 61°F | 51°F | 0.28" | -- |
| 2024 | 64°F | 49°F | 0" | -- |
| 2023 | 80°F | 58°F | 0" | -- |
| 2022 | 62°F | 45°F | 0" | -- |
| 2021 | 64°F | 52°F | 0.28" | -- |
| 2020 | 69°F | 52°F | 0.2" | -- |
| 2019 | 66°F | 53°F | 0" | -- |
| 2018 | 66°F | 55°F | 0" | -- |
| 2017 | 60°F | 46°F | 0" | -- |
| 2016 | 70°F | 53°F | 0" | -- |
| 2015 | 66°F | 54°F | 0" | -- |
| 2014 | 70°F | 56°F | 0" | -- |
| 2013 | 63°F | 54°F | 0.13" | -- |
| 2012 | 64°F | 45°F | 0.58" | -- |
| 2011 | 62°F | 37°F | 0" | -- |
| 2010 | 71°F | 54°F | 0" | -- |
| 2009 | 76°F | 50°F | 0" | -- |
| 2008 | 91°F | 55°F | 0" | -- |
| 2007 | 65°F | 48°F | 0" | -- |
| 2006 | 76°F | 57°F | 0" | -- |
| 2005 | 63°F | 46°F | 0.15" | -- |
| 2004 | 72°F | 52°F | 0" | -- |
| 2003 | 55°F | 41°F | 0.15" | -- |
| 2002 | 62°F | 47°F | 0.15" | -- |
| 2001 | 58°F | 45°F | 0" | -- |
| 2000 | 60°F | 52°F | 0" | -- |
| 1999 | 60°F | 48°F | 1.47" | -- |
| 1998 | 61°F | 49°F | 0" | -- |
| 1997 | 77°F | 54°F | 0" | -- |
| 1996 | 65°F | 50°F | 0.56" | -- |
| 1995 | 59°F | 48°F | 0" | -- |
| 1994 | 62°F | 51°F | 0" | -- |
| 1993 | 80°F | 53°F | 0" | -- |
| 1992 | 81°F | 49°F | 0" | -- |
| 1991 | 67°F | 50°F | 0.43" | -- |
| 1990 | 61°F | 46°F | 0" | -- |
| 1989 | 59°F | 48°F | 2.08" | -- |
| 1988 | 57°F | 46°F | 0.05" | -- |
| 1987 | 63°F | 38°F | 0" | -- |
| 1986 | 70°F | 43°F | 0.03" | -- |
| 1985 | 83°F | 49°F | 0" | -- |
| 1984 | 69°F | 38°F | 0" | -- |
| 1983 | 58°F | 49°F | 0" | -- |
| 1982 | 70°F | 48°F | 0.36" | -- |
| 1981 | 62°F | 40°F | 0.05" | -- |
| 1980 | 69°F | 47°F | 0" | -- |
| 1979 | 68°F | 42°F | 0" | -- |
| 1978 | 64°F | 48°F | 0.03" | -- |
| 1977 | 58°F | 47°F | 0.08" | -- |
| 1976 | 62°F | 39°F | 0" | -- |
| 1975 | 66°F | 47°F | 0" | -- |
| 1974 | 60°F | 36°F | 0.33" | -- |
| 1973 | 79°F | 47°F | 0" | -- |
| 1972 | 62°F | 45°F | 0.13" | -- |
| 1971 | 60°F | 40°F | 0.13" | -- |
Based on 55 years of data from NOAA station: RENTON MUNI AP
Monthly Climate Averages
Historical temperature and precipitation averages for Renton, WA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.