Weather on June 18
Duluth, MN
55 Years of Data
Avg High
68°F
Avg Low
51°F
Warmest
1987
79°F avg
Coldest
1973
45°F avg
About This Date
June 18th in Duluth, MN typically brings mild summer weather, with average highs around 68°F and lows near 51°F. Over 55 years of records, the warmest June 18th was in 1987 (79°F average), while the coldest was 1973 (45°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 29% of June 18th dates historically, with the wettest June 18th recording 4.19" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in Duluth, MN? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 59° | 72° | — | — |
| 2024 | 68° | 51° | 60° | 4.19" | — |
| 2023 | 56° | 51° | 53° | — | — |
| 2022 | 54° | 44° | 49° | 0.08" | — |
| 2021 | 85° | 64° | 74° | — | — |
| 2020 | 64° | 54° | 59° | 0.46" | — |
| 2019 | 55° | 48° | 52° | — | — |
| 2018 | 72° | 59° | 65° | — | — |
| 2017 | 68° | 55° | 62° | 0.66" | — |
| 2016 | 71° | 60° | 66° | — | — |
| 2015 | 69° | 46° | 58° | — | — |
| 2014 | 53° | 48° | 51° | — | — |
| 2013 | 58° | 40° | 49° | — | — |
| 2012 | 80° | 57° | 69° | 0.05" | — |
| 2011 | 51° | 47° | 49° | 1.22" | — |
| 2010 | 85° | 53° | 69° | — | — |
| 2009 | 55° | 49° | 52° | — | — |
| 2008 | 78° | 46° | 62° | — | — |
| 2007 | 77° | 47° | 62° | 2.97" | — |
| 2006 | 82° | 63° | 72° | 0.05" | — |
| 2005 | 58° | 52° | 55° | — | — |
| 2004 | 68° | 48° | 58° | — | — |
| 2003 | 67° | 54° | 60° | — | — |
| 2002 | 63° | 50° | 56° | — | — |
| 2001 | 68° | 43° | 55° | — | — |
| 2000 | 72° | 50° | 61° | 1.12" | — |
| 1999 | 69° | 55° | 62° | — | — |
| 1998 | 68° | 56° | 62° | — | — |
| 1997 | 55° | 46° | 51° | 1.02" | — |
| 1996 | 57° | 44° | 51° | — | — |
| 1995 | 90° | 49° | 69° | — | — |
| 1994 | 71° | 55° | 63° | — | — |
| 1993 | 59° | 49° | 54° | — | — |
| 1992 | 63° | 45° | 54° | — | — |
| 1991 | 75° | 52° | 63° | — | — |
| 1990 | 77° | 53° | 65° | 0.03" | — |
| 1989 | 79° | 55° | 67° | — | — |
| 1988 | 70° | 47° | 58° | — | — |
| 1987warmest | 88° | 70° | 79° | — | — |
| 1986 | 60° | 54° | 57° | — | — |
| 1985 | 68° | 52° | 60° | — | — |
| 1984 | 78° | 52° | 65° | — | — |
| 1983 | 58° | 47° | 52° | — | — |
| 1982 | 57° | 48° | 53° | — | — |
| 1981 | 64° | 54° | 59° | — | — |
| 1980 | 56° | 45° | 50° | 1.17" | — |
| 1979 | 60° | 48° | 54° | — | — |
| 1978 | 73° | 54° | 63° | — | — |
| 1977 | 65° | 59° | 62° | 0.23" | — |
| 1976 | 63° | 48° | 55° | 0.51" | — |
| 1975 | 72° | 53° | 62° | — | — |
| 1974 | 72° | 47° | 59° | — | — |
| 1973coldest | 49° | 41° | 45° | — | — |
| 1972 | 54° | 42° | 48° | 1.02" | — |
| 1971 | 83° | 61° | 72° | 0.03" | — |
55 years of data from DULUTH HARBOR STN