Weather on May 31
Eugene, OR
55 Years of Data
Avg High
72°F
Avg Low
45°F
Warmest
1986
75°F avg
Coldest
1971
46°F avg
About This Date
May 31st in Eugene, OR typically brings pleasant spring weather, with average highs around 72°F and lows near 45°F — a 27°F daily swing. Over 55 years of records, the warmest May 31st was in 1986 (75°F average), while the coldest was 1971 (46°F) — a 29°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 3.05" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for May 31st in Eugene, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 45° | 61° | — | — |
| 2024 | 77° | 44° | 61° | — | — |
| 2023 | 69° | 41° | 55° | — | — |
| 2022 | 74° | 40° | 57° | — | — |
| 2021 | 88° | 48° | 68° | — | — |
| 2020 | 67° | 47° | 57° | — | — |
| 2019 | 80° | 50° | 65° | — | — |
| 2018 | 62° | 42° | 52° | 0.1" | — |
| 2017 | 76° | 46° | 61° | — | — |
| 2016 | 83° | 43° | 63° | — | — |
| 2015 | 85° | 51° | 68° | 0.38" | — |
| 2014 | 77° | 44° | 61° | — | — |
| 2013 | 70° | 39° | 54° | — | — |
| 2012 | 79° | 48° | 63° | — | — |
| 2011 | 63° | 48° | 55° | 0.25" | — |
| 2010 | 69° | 54° | 61° | 0.56" | — |
| 2009 | 80° | 49° | 64° | — | — |
| 2008 | 62° | 43° | 52° | — | — |
| 2007 | 81° | 44° | 62° | — | — |
| 2006 | 69° | 51° | 60° | 0.18" | — |
| 2005 | 63° | 46° | 54° | 0.25" | — |
| 2004 | 69° | 45° | 57° | — | — |
| 2003 | 73° | 47° | 60° | — | — |
| 2002 | 69° | 44° | 57° | — | — |
| 2001 | 89° | 45° | 67° | — | — |
| 2000 | 64° | 44° | 54° | — | — |
| 1999 | 76° | 41° | 58° | — | — |
| 1998 | 76° | 42° | 59° | — | — |
| 1997 | 68° | 51° | 60° | 3.05" | — |
| 1996 | 73° | 43° | 58° | — | — |
| 1995 | 78° | 49° | 63° | — | — |
| 1994 | 65° | 52° | 58° | 0.41" | — |
| 1993 | 68° | 53° | 61° | 1.91" | — |
| 1992 | 87° | 51° | 69° | — | — |
| 1991 | 67° | 39° | 53° | — | — |
| 1990 | 59° | 44° | 52° | 0.33" | — |
| 1989 | 77° | 47° | 62° | — | — |
| 1988 | 59° | 52° | 55° | 0.84" | — |
| 1987 | 60° | 39° | 50° | 0.69" | — |
| 1986warmest | 90° | 60° | 75° | — | — |
| 1985 | 68° | 48° | 58° | 1.24" | — |
| 1984 | 65° | 34° | 49° | — | — |
| 1983 | 58° | 52° | 55° | 0.2" | — |
| 1982 | 58° | 48° | 53° | — | — |
| 1981 | 71° | 38° | 54° | — | — |
| 1980 | 73° | 41° | 57° | — | — |
| 1979 | 83° | 36° | 59° | — | — |
| 1978 | 81° | 38° | 59° | — | — |
| 1977 | 74° | 53° | 63° | 1.12" | — |
| 1976 | 63° | 44° | 53° | 0.36" | — |
| 1975 | 85° | 49° | 67° | — | — |
| 1974 | 76° | 41° | 58° | — | — |
| 1973 | 68° | 37° | 53° | — | — |
| 1972 | 71° | 43° | 57° | — | — |
| 1971coldest | 52° | 41° | 46° | 1.04" | — |
55 years of data from EUGENE-MAHLON SWEET FLD