Weather on June 21
Duluth, MN
55 Years of Data
Avg High
68°F
Avg Low
52°F
Warmest
2022
75°F avg
Coldest
1981
46°F avg
About This Date
June 21st in Duluth, MN typically brings mild summer weather, with average highs around 68°F and lows near 52°F. Over 55 years of records, the warmest June 21st was in 2022 (75°F average), while the coldest was 1981 (46°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 33% of June 21st dates historically, with the wettest June 21st recording 7.62" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for June 21st in Duluth, MN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 51° | 60° | 1.17" | — |
| 2024 | 59° | 54° | 56° | — | — |
| 2023 | 62° | 52° | 57° | — | — |
| 2022warmest | 87° | 63° | 75° | 1.6" | — |
| 2021 | 65° | 50° | 57° | 0.05" | — |
| 2020 | 69° | 50° | 60° | — | — |
| 2019 | 57° | 49° | 53° | — | — |
| 2018 | 57° | 52° | 54° | — | — |
| 2017 | 65° | 49° | 57° | — | — |
| 2016 | 78° | 56° | 67° | — | — |
| 2015 | 80° | 55° | 68° | — | — |
| 2014 | 55° | 42° | 49° | 0.05" | — |
| 2013 | 58° | 50° | 54° | 7.62" | — |
| 2012 | 76° | 58° | 67° | — | — |
| 2011 | 52° | 47° | 49° | 1.3" | — |
| 2010 | 64° | 55° | 60° | 2.34" | — |
| 2009 | 69° | 53° | 61° | 0.51" | — |
| 2008 | 78° | 58° | 68° | 0.33" | — |
| 2007 | 67° | 52° | 59° | — | — |
| 2006 | 82° | 56° | 69° | — | — |
| 2005 | 77° | 61° | 69° | — | — |
| 2004 | 74° | 56° | 65° | — | — |
| 2003 | 63° | 42° | 52° | — | — |
| 2002 | 79° | 53° | 66° | — | — |
| 2001 | 63° | 43° | 53° | — | — |
| 2000 | 68° | 57° | 63° | 0.36" | — |
| 1999 | 59° | 51° | 55° | — | — |
| 1998 | 64° | 53° | 59° | — | — |
| 1997 | 81° | 47° | 64° | — | — |
| 1996 | 77° | 52° | 64° | — | — |
| 1995 | 62° | 51° | 57° | — | — |
| 1994 | 83° | 63° | 73° | — | — |
| 1993 | 85° | 56° | 70° | — | — |
| 1992 | 53° | 47° | 50° | — | — |
| 1991 | 61° | 49° | 55° | — | — |
| 1990 | 74° | 58° | 66° | 0.03" | — |
| 1989 | 62° | 50° | 56° | 0.58" | — |
| 1988 | 72° | 62° | 67° | — | — |
| 1987 | 63° | 56° | 59° | — | — |
| 1986 | 75° | 46° | 61° | 4.14" | — |
| 1985 | 57° | 47° | 52° | 0.48" | — |
| 1984 | 55° | 47° | 51° | 0.25" | — |
| 1983 | 53° | 50° | 52° | — | — |
| 1982 | 69° | 53° | 61° | — | — |
| 1981coldest | 50° | 43° | 46° | 1.27" | — |
| 1980 | 84° | 50° | 67° | — | — |
| 1979 | 64° | 56° | 60° | — | — |
| 1978 | 73° | 53° | 63° | — | — |
| 1977 | 68° | 52° | 60° | 0.05" | — |
| 1976 | 85° | 54° | 69° | — | — |
| 1975 | 62° | 47° | 54° | 0.81" | — |
| 1974 | 66° | 47° | 56° | — | — |
| 1973 | 62° | 53° | 58° | — | — |
| 1972 | 71° | 46° | 59° | — | — |
| 1971 | 62° | 52° | 57° | — | — |
55 years of data from DULUTH HARBOR STN