Weather on July 18
Detroit, MI
55 Years of Data
Avg High
85°F
Avg Low
67°F
Warmest
1982
87°F avg
Coldest
2009
63°F avg
About This Date
July 18th in Detroit, MI typically brings warm summer weather, with average highs around 85°F and lows near 67°F. Over 55 years of records, the warmest July 18th was in 1982 (87°F average), while the coldest was 2009 (63°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 22% of July 18th dates historically, with the wettest July 18th recording 2.95" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for July 18th in Detroit, MI? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 58° | 66° | — | — |
| 2024 | 79° | 63° | 71° | — | — |
| 2023 | 80° | 63° | 71° | — | — |
| 2022 | 91° | 71° | 81° | 0.13" | — |
| 2021 | 87° | 63° | 75° | — | — |
| 2020 | 91° | 72° | 81° | — | — |
| 2019 | 89° | 66° | 78° | — | — |
| 2018 | 79° | 62° | 70° | — | — |
| 2017 | 85° | 62° | 73° | — | — |
| 2016 | 87° | 67° | 77° | 0.13" | — |
| 2015 | 89° | 71° | 80° | 0.03" | — |
| 2014 | 77° | 57° | 67° | — | — |
| 2013 | 94° | 74° | 84° | — | — |
| 2012 | 85° | 73° | 79° | 0.23" | — |
| 2011 | 96° | 74° | 85° | 0.79" | — |
| 2010 | 88° | 66° | 77° | 0.1" | — |
| 2009coldest | 71° | 56° | 63° | — | — |
| 2008 | 88° | 73° | 80° | — | — |
| 2007 | 86° | 65° | 75° | 0.03" | — |
| 2006 | 86° | 69° | 78° | 0.33" | — |
| 2005 | 91° | 72° | 81° | 1.17" | — |
| 2004 | 80° | 62° | 71° | — | — |
| 2003 | 78° | 61° | 69° | 0.08" | — |
| 2002 | 90° | 70° | 80° | 1.32" | — |
| 2001 | 84° | 70° | 77° | — | — |
| 2000 | 75° | 59° | 67° | — | — |
| 1999 | 87° | 72° | 79° | — | — |
| 1998 | 83° | 64° | 73° | — | — |
| 1997 | 94° | 69° | 81° | — | — |
| 1996 | 83° | 72° | 77° | — | — |
| 1995 | 83° | 67° | 75° | — | — |
| 1994 | 86° | 69° | 78° | — | — |
| 1993 | 82° | 69° | 76° | — | — |
| 1992 | 87° | 64° | 76° | — | — |
| 1991 | 93° | 73° | 83° | — | — |
| 1990 | 89° | 69° | 79° | — | — |
| 1989 | 87° | 65° | 76° | — | — |
| 1988 | 85° | 71° | 78° | — | — |
| 1987 | 91° | 68° | 80° | — | — |
| 1986 | 96° | 78° | 87° | — | — |
| 1985 | 82° | 61° | 71° | — | — |
| 1984 | 72° | 62° | 67° | — | — |
| 1983 | 87° | 73° | 80° | — | — |
| 1982warmest | 93° | 80° | 87° | — | — |
| 1981 | 90° | 66° | 78° | — | — |
| 1980 | 80° | 65° | 72° | — | — |
| 1979 | 75° | 53° | 64° | — | — |
| 1978 | 86° | 66° | 76° | — | — |
| 1977 | 93° | 74° | 83° | — | — |
| 1976 | 86° | 63° | 74° | — | — |
| 1975 | 85° | 71° | 78° | — | — |
| 1974 | 93° | 74° | 83° | — | — |
| 1973 | 85° | 64° | 74° | — | — |
| 1972 | 87° | 71° | 79° | 2.95" | — |
| 1971 | 80° | 53° | 67° | — | — |
55 years of data from DETROIT CITY AP