Weather on May 31
Salem, OR
55 Years of Data
Avg High
73°F
Avg Low
47°F
Warmest
1986
76°F avg
Coldest
1976
48°F avg
About This Date
May 31st in Salem, OR typically brings pleasant spring weather, with average highs around 73°F and lows near 47°F — a 26°F daily swing. Over 55 years of records, the warmest May 31st was in 1986 (76°F average), while the coldest was 1976 (48°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 31% of May 31st dates historically, with the wettest May 31st recording 3.96" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for May 31st in Salem, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 49° | 61° | — | — |
| 2024 | 77° | 48° | 63° | — | — |
| 2023 | 67° | 44° | 55° | — | — |
| 2022 | 77° | 49° | 63° | — | — |
| 2021 | 90° | 52° | 71° | — | — |
| 2020 | 66° | 50° | 58° | — | — |
| 2019 | 81° | 51° | 66° | — | — |
| 2018 | 64° | 47° | 55° | 0.05" | — |
| 2017 | 77° | 49° | 63° | 0.05" | — |
| 2016 | 88° | 50° | 69° | — | — |
| 2015 | 87° | 55° | 71° | — | — |
| 2014 | 76° | 47° | 61° | — | — |
| 2013 | 69° | 45° | 57° | — | — |
| 2012 | 76° | 56° | 66° | — | — |
| 2011 | 64° | 49° | 56° | 0.66" | — |
| 2010 | 69° | 53° | 61° | 0.53" | — |
| 2009 | 84° | 49° | 66° | — | — |
| 2008 | 66° | 46° | 56° | — | — |
| 2007 | 86° | 50° | 68° | — | — |
| 2006 | 70° | 51° | 60° | 0.13" | — |
| 2005 | 63° | 50° | 56° | 1.07" | — |
| 2004 | 67° | 47° | 57° | — | — |
| 2003 | 73° | 47° | 60° | — | — |
| 2002 | 70° | 44° | 57° | — | — |
| 2001 | 91° | 50° | 71° | — | — |
| 2000 | 62° | 47° | 54° | 0.05" | — |
| 1999 | 71° | 48° | 60° | — | — |
| 1998 | 78° | 47° | 62° | — | — |
| 1997 | 68° | 52° | 60° | 3.96" | — |
| 1996 | 70° | 41° | 55° | — | — |
| 1995 | 81° | 51° | 66° | — | — |
| 1994 | 69° | 52° | 60° | 0.36" | — |
| 1993 | 70° | 55° | 62° | 1.6" | — |
| 1992 | 91° | 51° | 71° | — | — |
| 1991 | 68° | 37° | 53° | — | — |
| 1990 | 65° | 47° | 56° | — | — |
| 1989 | 78° | 43° | 60° | — | — |
| 1988 | 61° | 49° | 55° | 0.36" | — |
| 1987 | 63° | 41° | 52° | 0.41" | — |
| 1986warmest | 91° | 61° | 76° | — | — |
| 1985 | 63° | 50° | 56° | 0.46" | — |
| 1984 | 65° | 37° | 51° | — | — |
| 1983 | 61° | 55° | 58° | 0.79" | — |
| 1982 | 66° | 47° | 56° | — | — |
| 1981 | 72° | 40° | 56° | — | — |
| 1980 | 72° | 42° | 57° | — | — |
| 1979 | 85° | 42° | 63° | — | — |
| 1978 | 83° | 47° | 65° | — | — |
| 1977 | 67° | 55° | 61° | 0.89" | — |
| 1976coldest | 60° | 36° | 48° | 0.2" | — |
| 1975 | 85° | 46° | 65° | — | — |
| 1974 | 76° | 36° | 56° | — | — |
| 1973 | 67° | 35° | 51° | — | — |
| 1972 | 70° | 42° | 56° | — | — |
| 1971 | 51° | 47° | 49° | 0.46" | — |
55 years of data from SALEM AP (MCNARY FIELD)