Weather on May 20
Duluth, MN
55 Years of Data
Avg High
58°F
Avg Low
42°F
Warmest
1980
65°F avg
Coldest
2007
37°F avg
About This Date
May 20th in Duluth, MN typically brings cool spring weather, with average highs around 58°F and lows near 42°F. Over 55 years of records, the warmest May 20th was in 1980 (65°F average), while the coldest was 2007 (37°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 20th dates historically, with the wettest May 20th recording 2.79" 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 20th in Duluth, MN? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 43° | 39° | 41° | 0.76" | — |
| 2024 | 58° | 46° | 52° | 0.28" | — |
| 2023 | 76° | 43° | 59° | — | — |
| 2022 | 67° | 40° | 53° | 0.51" | — |
| 2021 | 55° | 50° | 53° | 0.94" | — |
| 2020 | 52° | 42° | 47° | — | — |
| 2019 | 66° | 35° | 51° | — | — |
| 2018 | 69° | 31° | 50° | — | — |
| 2017 | 43° | 39° | 41° | 1.55" | — |
| 2016 | 53° | 44° | 49° | — | — |
| 2015 | 67° | 35° | 51° | — | — |
| 2014 | 48° | 37° | 43° | 1.19" | — |
| 2013 | 46° | 38° | 42° | 2.79" | — |
| 2012 | 63° | 46° | 54° | 1.52" | — |
| 2011 | 53° | 45° | 49° | — | — |
| 2010 | 71° | 47° | 59° | — | — |
| 2009 | 89° | 37° | 63° | 0.1" | — |
| 2008 | 63° | 46° | 54° | — | — |
| 2007coldest | 40° | 35° | 37° | 0.05" | — |
| 2006 | 61° | 46° | 53° | — | — |
| 2005 | 48° | 40° | 44° | — | — |
| 2004 | 60° | 44° | 52° | — | — |
| 2003 | 55° | 37° | 46° | — | — |
| 2002 | 42° | 35° | 39° | — | — |
| 2001 | 74° | 46° | 60° | — | — |
| 2000 | 48° | 40° | 44° | — | — |
| 1999 | 46° | 39° | 43° | — | — |
| 1998 | 79° | 47° | 63° | — | — |
| 1997 | 51° | 41° | 46° | — | — |
| 1996 | 73° | 53° | 63° | — | — |
| 1995 | 60° | 43° | 51° | — | — |
| 1994 | 83° | 44° | 63° | — | — |
| 1993 | 53° | 45° | 49° | — | — |
| 1992 | 57° | 48° | 53° | — | — |
| 1991 | 48° | 42° | 45° | — | — |
| 1990 | 44° | 38° | 41° | — | — |
| 1989 | 70° | 44° | 57° | — | — |
| 1988 | 53° | 47° | 50° | — | — |
| 1987 | 45° | 41° | 43° | 1.52" | — |
| 1986 | 52° | 38° | 45° | — | — |
| 1985 | 59° | 41° | 50° | — | — |
| 1984 | 46° | 39° | 43° | — | — |
| 1983 | 56° | 40° | 48° | 0.61" | — |
| 1982 | 46° | 41° | 44° | — | — |
| 1981 | 78° | 52° | 65° | — | — |
| 1980warmest | 84° | 47° | 65° | — | — |
| 1979 | 47° | 39° | 43° | — | — |
| 1978 | 57° | 49° | 53° | — | — |
| 1977 | 66° | 44° | 55° | 0.18" | — |
| 1976 | 75° | 44° | 60° | — | — |
| 1975 | 53° | 42° | 48° | 0.28" | — |
| 1974 | 46° | 36° | 41° | — | — |
| 1973 | 55° | 41° | 48° | — | — |
| 1972 | 69° | 37° | 53° | 0.3" | — |
| 1971 | 55° | 38° | 46° | — | — |
55 years of data from DULUTH HARBOR STN