Weather on August 9
Duluth, MN
55 Years of Data
Avg High
76°F
Avg Low
61°F
Warmest
1971
77°F avg
Coldest
1972
57°F avg
About This Date
August 9th in Duluth, MN typically brings pleasant summer weather, with average highs around 76°F and lows near 61°F. Over 55 years of records, the warmest August 9th was in 1971 (77°F average), while the coldest was 1972 (57°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 25% of August 9th dates historically, with the wettest August 9th recording 3.18" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for August 9th 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 | 83° | 71° | 77° | — | — |
| 2024 | 67° | 57° | 62° | — | — |
| 2023 | 79° | 63° | 71° | — | — |
| 2022 | 87° | 57° | 72° | — | — |
| 2021 | 80° | 65° | 72° | — | — |
| 2020 | 78° | 69° | 74° | 2.64" | — |
| 2019 | 80° | 55° | 68° | — | — |
| 2018 | 86° | 63° | 74° | — | — |
| 2017 | 75° | 58° | 66° | 2.79" | — |
| 2016 | 88° | 64° | 76° | — | — |
| 2015 | 79° | 58° | 68° | — | — |
| 2014 | 71° | 58° | 64° | — | — |
| 2013 | 72° | 55° | 63° | — | — |
| 2012 | 70° | 59° | 64° | 0.51" | — |
| 2011 | 71° | 61° | 66° | — | — |
| 2010 | 81° | 64° | 72° | — | — |
| 2009 | 78° | 56° | 67° | 0.13" | — |
| 2008 | 71° | 57° | 64° | — | — |
| 2007 | 79° | 60° | 69° | — | — |
| 2006 | 81° | 58° | 69° | — | — |
| 2005 | 79° | 68° | 73° | 0.84" | — |
| 2004 | 70° | 60° | 65° | — | — |
| 2003 | 76° | 57° | 66° | — | — |
| 2002 | 69° | 55° | 62° | — | — |
| 2001 | 79° | 70° | 74° | — | — |
| 2000 | 68° | 61° | 64° | — | — |
| 1999 | 69° | 56° | 62° | — | — |
| 1998 | 84° | 65° | 74° | — | — |
| 1997 | 83° | 66° | 74° | — | — |
| 1996 | 74° | 56° | 65° | — | — |
| 1995 | 70° | 64° | 67° | — | — |
| 1994 | 62° | 55° | 59° | — | — |
| 1993 | 85° | 63° | 74° | 3.18" | — |
| 1992 | 79° | 62° | 70° | — | — |
| 1991 | 63° | 59° | 61° | — | — |
| 1990 | 82° | 66° | 74° | — | — |
| 1989 | 75° | 68° | 72° | — | — |
| 1988 | 78° | 67° | 72° | — | — |
| 1987 | 82° | 64° | 73° | — | — |
| 1986 | 82° | 62° | 72° | 1.47" | — |
| 1985 | 78° | 55° | 67° | 0.05" | — |
| 1984 | 79° | 65° | 72° | 1.02" | — |
| 1983 | 72° | 63° | 67° | 0.03" | — |
| 1982 | 66° | 55° | 61° | — | — |
| 1981 | 76° | 65° | 70° | — | — |
| 1980 | 71° | 68° | 70° | — | — |
| 1979 | 67° | 59° | 63° | 0.76" | — |
| 1978 | 76° | 64° | 70° | — | — |
| 1977 | 68° | 59° | 64° | — | — |
| 1976 | 72° | 62° | 67° | — | — |
| 1975 | 82° | 62° | 72° | 1.42" | — |
| 1974 | 65° | 59° | 62° | — | — |
| 1973 | 72° | 64° | 68° | 0.05" | — |
| 1972coldest | 64° | 50° | 57° | — | — |
| 1971warmest | 88° | 66° | 77° | 0.25" | — |
55 years of data from DULUTH HARBOR STN