Weather on May 12
Duluth, MN
55 Years of Data
Avg High
55°F
Avg Low
39°F
Warmest
2025
69°F avg
Coldest
2013
34°F avg
About This Date
May 12th in Duluth, MN typically brings cool spring weather, with average highs around 55°F and lows near 39°F. Over 55 years of records, the warmest May 12th was in 2025 (69°F average), while the coldest was 2013 (34°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 20% of May 12th dates historically, with the wettest May 12th recording 2.84" of rain. The last decade has been 9.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 9.5°F warmer on this date compared to 20-30 years ago.
Planning for May 12th in Duluth, MN? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 89° | 49° | 69° | — | — |
| 2024 | 78° | 51° | 65° | — | — |
| 2023 | 49° | 44° | 46° | — | — |
| 2022 | 60° | 42° | 51° | 1.57" | — |
| 2021 | 71° | 36° | 53° | — | — |
| 2020 | 56° | 33° | 44° | — | — |
| 2019 | 58° | 40° | 49° | — | — |
| 2018 | 50° | 31° | 40° | — | — |
| 2017 | 74° | 38° | 56° | — | — |
| 2016 | 65° | 40° | 52° | — | — |
| 2015 | 49° | 39° | 44° | 0.25" | — |
| 2014 | 42° | 36° | 39° | 2.84" | — |
| 2013coldest | 54° | 15° | 34° | — | — |
| 2012 | 72° | 40° | 56° | — | — |
| 2011 | 61° | 40° | 50° | — | — |
| 2010 | 47° | 41° | 44° | — | — |
| 2009 | 50° | 41° | 46° | — | — |
| 2008 | 42° | 38° | 40° | — | — |
| 2007 | 49° | 40° | 44° | — | — |
| 2006 | 43° | 39° | 41° | 0.99" | — |
| 2005 | 39° | 36° | 37° | 0.08" | — |
| 2004 | 46° | 38° | 42° | — | — |
| 2003 | 57° | 44° | 51° | — | — |
| 2002 | 60° | 33° | 47° | — | — |
| 2001 | 49° | 39° | 44° | — | — |
| 2000 | 49° | 42° | 45° | — | — |
| 1999 | 43° | 39° | 41° | — | — |
| 1998 | 49° | 42° | 45° | — | — |
| 1997 | 51° | 34° | 42° | — | — |
| 1996 | 43° | 30° | 36° | — | — |
| 1995 | 67° | 44° | 55° | — | — |
| 1994 | 53° | 40° | 46° | — | — |
| 1993 | 50° | 40° | 45° | — | — |
| 1992 | 69° | 44° | 57° | 0.38" | — |
| 1991 | 66° | 42° | 54° | — | — |
| 1990 | 62° | 43° | 52° | — | — |
| 1989 | 52° | 38° | 45° | — | — |
| 1988 | 60° | 48° | 54° | — | — |
| 1987 | 48° | 40° | 44° | — | — |
| 1986 | 48° | 38° | 43° | — | — |
| 1985 | 54° | 41° | 47° | 0.2" | — |
| 1984 | 50° | 41° | 46° | 0.25" | — |
| 1983 | 44° | 42° | 43° | 0.91" | — |
| 1982 | 44° | 39° | 42° | 0.15" | — |
| 1981 | 51° | 37° | 44° | — | — |
| 1980 | 62° | 46° | 54° | — | — |
| 1979 | 57° | 41° | 49° | — | — |
| 1978 | 55° | 41° | 48° | — | — |
| 1977 | 82° | — | — | — | — |
| 1976 | 48° | 39° | 44° | — | — |
| 1975 | 58° | 37° | 47° | — | — |
| 1974 | 51° | 36° | 43° | 0.05" | — |
| 1973 | 55° | 40° | 47° | — | — |
| 1972 | 43° | 34° | 38° | — | — |
| 1971 | 58° | 36° | 47° | — | — |
55 years of data from DULUTH HARBOR STN