Weather on May 21
Salem, OR
55 Years of Data
Avg High
68°F
Avg Low
44°F
Warmest
1988
67°F avg
Coldest
1986
47°F avg
About This Date
May 21st in Salem, OR typically brings mild spring weather, with average highs around 68°F and lows near 44°F. Over 55 years of records, the warmest May 21st was in 1988 (67°F average), while the coldest was 1986 (47°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 35% of May 21st dates historically, with the wettest May 21st recording 2.44" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 21st in Salem, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 41° | 55° | — | — |
| 2024 | 57° | 43° | 50° | 0.15" | — |
| 2023 | 70° | 53° | 61° | — | — |
| 2022 | 73° | 41° | 57° | — | — |
| 2021 | 66° | 41° | 54° | — | — |
| 2020 | 59° | 46° | 53° | 0.36" | — |
| 2019 | 66° | 50° | 58° | 0.1" | — |
| 2018 | 76° | 45° | 60° | — | — |
| 2017 | 83° | 49° | 66° | — | — |
| 2016 | 61° | 50° | 55° | — | — |
| 2015 | 74° | 56° | 65° | 0.1" | — |
| 2014 | 73° | 46° | 60° | — | — |
| 2013 | 54° | 41° | 47° | 1.85" | — |
| 2012 | 60° | 52° | 56° | 1.45" | — |
| 2011 | 65° | 50° | 57° | — | — |
| 2010 | 52° | 44° | 48° | 2.44" | — |
| 2009 | 73° | 44° | 59° | — | — |
| 2008 | 59° | 47° | 53° | — | — |
| 2007 | 62° | 43° | 52° | — | — |
| 2006 | 75° | 50° | 63° | 1.09" | — |
| 2005 | 60° | 40° | 50° | 0.56" | — |
| 2004 | 62° | 51° | 57° | — | — |
| 2003 | 76° | 47° | 61° | — | — |
| 2002 | 61° | 43° | 52° | 0.1" | — |
| 2001 | 85° | 45° | 65° | — | — |
| 2000 | 78° | 47° | 62° | — | — |
| 1999 | 67° | 43° | 55° | — | — |
| 1998 | 60° | 44° | 52° | 1.73" | — |
| 1997 | 71° | 42° | 57° | — | — |
| 1996 | 56° | 48° | 52° | 2.06" | — |
| 1995 | 78° | 44° | 61° | — | — |
| 1994 | 70° | 47° | 58° | — | — |
| 1993 | 68° | 54° | 61° | 0.33" | — |
| 1992 | 69° | 33° | 51° | — | — |
| 1991 | 68° | 45° | 56° | — | — |
| 1990 | 63° | 48° | 55° | 0.79" | — |
| 1989 | 61° | 46° | 53° | — | — |
| 1988warmest | 89° | 44° | 67° | — | — |
| 1987 | 74° | 39° | 56° | — | — |
| 1986coldest | 58° | 37° | 47° | 0.41" | — |
| 1985 | 80° | 40° | 60° | — | — |
| 1984 | 64° | 37° | 51° | — | — |
| 1983 | 74° | 49° | 61° | — | — |
| 1982 | 75° | 42° | 59° | — | — |
| 1981 | 60° | 50° | 55° | 0.05" | — |
| 1980 | 62° | 40° | 51° | 0.28" | — |
| 1979 | 84° | 45° | 64° | — | — |
| 1978 | 63° | 38° | 50° | 0.03" | — |
| 1977 | 66° | 42° | 54° | — | — |
| 1976 | 72° | 36° | 54° | — | — |
| 1975 | 63° | 36° | 49° | — | — |
| 1974 | 69° | 38° | 53° | — | — |
| 1973 | 72° | 38° | 55° | — | — |
| 1972 | 58° | 50° | 54° | 0.48" | — |
| 1971 | 71° | 32° | 52° | — | — |
55 years of data from SALEM AP (MCNARY FIELD)