Weather on May 12
Portland, OR
55 Years of Data
Avg High
68°F
Avg Low
48°F
Warmest
1997
72°F avg
Coldest
2022
48°F avg
About This Date
May 12th in Portland, OR typically brings mild spring weather, with average highs around 68°F and lows near 48°F. Over 55 years of records, the warmest May 12th was in 1997 (72°F average), while the coldest was 2022 (48°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 35% of May 12th dates historically, with the wettest May 12th recording 1.24" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for May 12th in Portland, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 49° | 54° | 1.14" | — |
| 2024 | 78° | 52° | 65° | — | — |
| 2023 | 87° | 54° | 70° | — | — |
| 2022coldest | 53° | 42° | 48° | 0.74" | — |
| 2021 | 77° | 52° | 64° | — | — |
| 2020 | 63° | 52° | 57° | 0.15" | — |
| 2019 | 74° | 50° | 62° | — | — |
| 2018 | 78° | 51° | 65° | — | — |
| 2017 | 55° | 45° | 50° | 0.28" | — |
| 2016 | 82° | 52° | 67° | — | — |
| 2015 | 55° | 48° | 52° | 0.69" | — |
| 2014 | 78° | 48° | 63° | — | — |
| 2013 | 70° | 58° | 64° | 0.36" | — |
| 2012 | 84° | 47° | 65° | — | — |
| 2011 | 62° | 39° | 51° | — | — |
| 2010 | 65° | 48° | 56° | — | — |
| 2009 | 57° | 43° | 50° | 0.3" | — |
| 2008 | 61° | 42° | 51° | — | — |
| 2007 | 60° | 46° | 53° | 0.38" | — |
| 2006 | 62° | 41° | 52° | — | — |
| 2005 | 71° | 53° | 62° | — | — |
| 2004 | 64° | 52° | 58° | — | — |
| 2003 | 64° | 51° | 58° | — | — |
| 2002 | 70° | 41° | 55° | — | — |
| 2001 | 75° | 51° | 63° | — | — |
| 2000 | 64° | 40° | 52° | — | — |
| 1999 | 55° | 46° | 51° | 0.03" | — |
| 1998 | 53° | 48° | 51° | 1.12" | — |
| 1997warmest | 85° | 60° | 72° | — | — |
| 1996 | 64° | 53° | 59° | 0.97" | — |
| 1995 | 62° | 45° | 53° | — | — |
| 1994 | 68° | 51° | 60° | — | — |
| 1993 | 68° | 54° | 61° | 0.38" | — |
| 1992 | 66° | 43° | 54° | — | — |
| 1991 | 57° | 48° | 53° | 0.38" | — |
| 1990 | 61° | 47° | 54° | 0.15" | — |
| 1989 | 62° | 43° | 52° | — | — |
| 1988 | 76° | 52° | 64° | 1.24" | — |
| 1987 | 64° | 56° | 60° | 0.64" | — |
| 1986 | 60° | 48° | 54° | 0.3" | — |
| 1985 | 64° | 36° | 50° | — | — |
| 1984 | 70° | 48° | 59° | — | — |
| 1983 | 78° | 47° | 62° | — | — |
| 1982 | 67° | 47° | 57° | — | — |
| 1981 | 76° | 42° | 59° | — | — |
| 1980 | 61° | 51° | 56° | — | — |
| 1979 | 73° | 46° | 60° | — | — |
| 1978 | 62° | 44° | 53° | 0.56" | — |
| 1977 | 68° | 40° | 54° | — | — |
| 1976 | 82° | 46° | 64° | — | — |
| 1975 | 74° | 45° | 59° | — | — |
| 1974 | 57° | 45° | 51° | — | — |
| 1973 | 86° | 54° | 70° | — | — |
| 1972 | 83° | 56° | 69° | — | — |
| 1971 | 68° | 50° | 59° | 0.84" | — |
55 years of data from PORTLAND KGW-TV