Weather on August 14
Duluth, MN
55 Years of Data
Avg High
74°F
Avg Low
58°F
Warmest
1991
80°F avg
Coldest
2004
53°F avg
About This Date
August 14th in Duluth, MN typically brings pleasant summer weather, with average highs around 74°F and lows near 58°F. Over 55 years of records, the warmest August 14th was in 1991 (80°F average), while the coldest was 2004 (53°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 15% of August 14th dates historically, with the wettest August 14th recording 2.54" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for August 14th in Duluth, MN? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 58° | 66° | — | — |
| 2024 | 71° | 65° | 68° | — | — |
| 2023 | 68° | 59° | 64° | — | — |
| 2022 | 65° | 53° | 59° | — | — |
| 2021 | 87° | 49° | 68° | — | — |
| 2020 | 80° | 65° | 72° | 0.66" | — |
| 2019 | 67° | 60° | 63° | — | — |
| 2018 | 80° | 71° | 76° | — | — |
| 2017 | 67° | 62° | 64° | 0.81" | — |
| 2016 | 82° | 64° | 73° | — | — |
| 2015 | 85° | 63° | 74° | — | — |
| 2014 | 69° | 52° | 60° | — | — |
| 2013 | 71° | 45° | 58° | — | — |
| 2012 | 77° | 54° | 65° | — | — |
| 2011 | 82° | 62° | 72° | — | — |
| 2010 | 84° | 65° | 74° | — | — |
| 2009 | 69° | 62° | 66° | — | — |
| 2008 | 67° | 63° | 65° | 0.13" | — |
| 2007 | 80° | 62° | 71° | — | — |
| 2006 | 78° | 58° | 68° | — | — |
| 2005 | 76° | 48° | 62° | — | — |
| 2004coldest | 67° | 39° | 53° | — | — |
| 2003 | 75° | 62° | 69° | — | — |
| 2002 | 84° | 53° | 69° | — | — |
| 2001 | 83° | 58° | 70° | — | — |
| 2000 | 81° | 65° | 73° | — | — |
| 1999 | 73° | 54° | 63° | — | — |
| 1998 | 85° | 67° | 76° | — | — |
| 1997 | 71° | 52° | 61° | — | — |
| 1996 | 63° | 55° | 59° | — | — |
| 1995 | 65° | 60° | 62° | — | — |
| 1994 | 72° | 52° | 62° | — | — |
| 1993 | 67° | 62° | 64° | 0.3" | — |
| 1992 | 70° | 53° | 61° | — | — |
| 1991warmest | 92° | 69° | 80° | — | — |
| 1990 | 81° | 57° | 69° | — | — |
| 1989 | 64° | 57° | 61° | — | — |
| 1988 | 81° | 67° | 74° | — | — |
| 1987 | 68° | 65° | 66° | 0.1" | — |
| 1986 | 66° | 62° | 64° | 1.83" | — |
| 1985 | 74° | 40° | 57° | — | — |
| 1984 | 74° | 63° | 68° | 0.08" | — |
| 1983 | 83° | 69° | 76° | — | — |
| 1982 | 67° | 59° | 63° | — | — |
| 1981 | 83° | 62° | 72° | — | — |
| 1980 | 70° | 62° | 66° | — | — |
| 1979 | 67° | 48° | 57° | — | — |
| 1978 | 75° | 62° | 69° | 2.54" | — |
| 1977 | 70° | 50° | 60° | — | — |
| 1976 | 64° | 54° | 59° | — | — |
| 1975 | 79° | 60° | 69° | — | — |
| 1974 | 62° | 58° | 60° | — | — |
| 1973 | 66° | 59° | 63° | — | — |
| 1972 | 59° | 51° | 55° | — | — |
| 1971 | 67° | 48° | 57° | — | — |
55 years of data from DULUTH HARBOR STN