Weather on August 20
Grand Rapids, MI
55 Years of Data
About This Date
August 20th in Grand Rapids, MI typically brings warm summer weather, with average highs around 80°F and lows near 58°F. Over 55 years of records, the warmest August 20th was in 1980 (79°F average), while the coldest was 1977 (59°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 20th dates historically, with the wettest August 20th recording 5.94" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for August 20th in Grand Rapids, MI? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 63° | 70° | 0.08" | — |
| 2024 | 74° | 49° | 61° | — | — |
| 2023 | 79° | 50° | 64° | — | — |
| 2022 | 83° | 58° | 70° | — | — |
| 2021 | 87° | 64° | 76° | — | — |
| 2020 | 79° | 50° | 64° | — | — |
| 2019 | 83° | 62° | 72° | — | — |
| 2018 | 83° | 63° | 73° | 0.38" | — |
| 2017 | 80° | 55° | 68° | — | — |
| 2016 | 82° | 67° | 74° | — | — |
| 2015 | 83° | 61° | 72° | 0.28" | — |
| 2014 | 82° | 65° | 73° | — | — |
| 2013 | 86° | 61° | 73° | — | — |
| 2012 | 76° | 53° | 64° | — | — |
| 2011 | 79° | 64° | 71° | 1.42" | — |
| 2010 | 91° | 67° | 79° | — | — |
| 2009 | 78° | 66° | 72° | 0.43" | — |
| 2008 | 81° | 53° | 67° | — | — |
| 2007 | 64° | 60° | 62° | 5.94" | — |
| 2006 | 80° | 57° | 69° | — | — |
| 2005 | 81° | 64° | 72° | 0.33" | — |
| 2004 | 72° | 53° | 62° | — | — |
| 2003 | 85° | 59° | 72° | — | — |
| 2002 | 75° | 53° | 64° | — | — |
| 2001 | 78° | 59° | 69° | — | — |
| 2000 | 71° | 50° | 61° | — | — |
| 1999 | 79° | 53° | 66° | — | — |
| 1998 | 83° | 56° | 69° | — | — |
| 1997 | 63° | 59° | 61° | 0.58" | — |
| 1996 | 84° | 69° | 77° | 0.33" | — |
| 1995 | 84° | 67° | 75° | — | — |
| 1994 | 77° | 63° | 70° | — | — |
| 1993 | 81° | 64° | 72° | — | — |
| 1992 | 76° | 43° | 59° | — | — |
| 1991 | 77° | 58° | 67° | — | — |
| 1990 | 65° | 59° | 62° | 0.05" | — |
| 1989 | 79° | 64° | 71° | 1.3" | — |
| 1988 | 81° | 55° | 68° | — | — |
| 1987 | 79° | 53° | 66° | — | — |
| 1986 | 81° | 55° | 68° | — | — |
| 1985 | 67° | 57° | 62° | — | — |
| 1984 | 80° | 51° | 66° | — | — |
| 1983 | 87° | 64° | 76° | — | — |
| 1982 | 84° | 62° | 73° | 1.12" | — |
| 1981 | 83° | 52° | 67° | — | — |
| 1980warmest | 89° | 68° | 79° | 3.4" | — |
| 1979 | 72° | 62° | 67° | 1.04" | — |
| 1978 | 75° | 48° | 62° | — | — |
| 1977coldest | 73° | 45° | 59° | — | — |
| 1976 | 92° | 60° | 76° | — | — |
| 1975 | 78° | 57° | 68° | 1.42" | — |
| 1974 | 85° | 60° | 72° | — | — |
| 1973 | 78° | 57° | 68° | — | — |
| 1972 | 84° | 61° | 72° | — | — |
| 1971 | 88° | 67° | 77° | — | — |
Grand Rapids, MI Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Grand Rapids, MI Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Grand Rapids, MI Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Grand Rapids, MI
Grand Rapids, MI has no months that meet our "pleasant" threshold — every season has tradeoffs.