Weather on April 18
Duluth, MN
55 Years of Data
Avg High
47°F
Avg Low
33°F
Warmest
1987
59°F avg
Coldest
2003
30°F avg
About This Date
April 18th in Duluth, MN typically brings chilly spring weather, with average highs around 47°F and lows near 33°F. Over 55 years of records, the warmest April 18th was in 1987 (59°F average), while the coldest was 2003 (30°F) — a 29°F range across recorded history. Precipitation has occurred on 20% of recorded April 18th dates, with snow falling 4% of the time (heaviest snowfall: 5"). The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for April 18th in Duluth, MN? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 48° | 38° | 43° | — | — |
| 2024 | 53° | 39° | 46° | — | — |
| 2023 | 48° | 32° | 40° | — | — |
| 2022 | 39° | 30° | 35° | 1.83" | — |
| 2021 | 62° | 33° | 48° | 0.13" | — |
| 2020 | 57° | 34° | 45° | — | — |
| 2019 | 52° | 37° | 44° | 0.23" | — |
| 2018 | 37° | 28° | 33° | — | — |
| 2017 | 45° | 34° | 39° | 2.64" | — |
| 2016 | 43° | 36° | 39° | — | — |
| 2015 | 65° | 38° | 51° | — | — |
| 2014 | 37° | 23° | 30° | — | — |
| 2013 | 35° | 29° | 32° | 1.09" | 5" |
| 2012 | 53° | 34° | 43° | 1.52" | — |
| 2011 | 40° | 28° | 34° | — | — |
| 2010 | 56° | 32° | 44° | — | — |
| 2009 | 60° | 36° | 48° | — | — |
| 2008 | 42° | 35° | 39° | — | — |
| 2007 | 51° | 31° | 41° | — | — |
| 2006 | 44° | 38° | 41° | — | — |
| 2005 | 48° | 38° | 43° | — | — |
| 2004 | 57° | 37° | 47° | — | — |
| 2003coldest | 34° | 26° | 30° | — | — |
| 2002 | 62° | 41° | 52° | — | — |
| 2001 | 49° | 27° | 38° | — | — |
| 2000 | 37° | 30° | 34° | — | — |
| 1999 | 49° | 37° | 43° | — | — |
| 1998 | 58° | 37° | 47° | — | — |
| 1997 | 37° | 27° | 32° | — | — |
| 1996 | 38° | 30° | 34° | — | — |
| 1995 | 36° | 31° | 33° | — | — |
| 1994 | 77° | 39° | 58° | — | — |
| 1993 | 41° | 34° | 37° | — | — |
| 1992 | 40° | 36° | 38° | — | — |
| 1991 | 50° | 34° | 42° | — | — |
| 1990 | 57° | 36° | 46° | — | — |
| 1989 | 48° | 28° | 38° | — | — |
| 1988 | 50° | 30° | 40° | — | — |
| 1987warmest | 75° | 43° | 59° | — | — |
| 1986 | 40° | 35° | 37° | 0.97" | — |
| 1985 | 40° | 33° | 36° | 0.08" | — |
| 1984 | 41° | 30° | 36° | — | — |
| 1983 | 40° | 25° | 32° | — | — |
| 1982 | 36° | 31° | 33° | 0.81" | 3.2" |
| 1981 | 46° | 32° | 39° | — | — |
| 1980 | 48° | 36° | 42° | — | — |
| 1979 | 44° | 31° | 37° | — | — |
| 1978 | 38° | 32° | 35° | — | — |
| 1977 | 43° | 35° | 39° | 0.05" | — |
| 1976 | 54° | 39° | 46° | 0.56" | — |
| 1975 | 41° | 35° | 38° | — | — |
| 1974 | 39° | 29° | 34° | — | — |
| 1973 | 42° | 33° | 38° | — | — |
| 1972 | 47° | 31° | 39° | — | — |
| 1971 | 44° | 35° | 40° | — | — |
55 years of data from DULUTH HARBOR STN