Weather on July 21
Green Bay, WI
55 Years of Data
About This Date
July 21st in Green Bay, WI typically brings warm summer weather, with average highs around 81°F and lows near 60°F. Over 55 years of records, the warmest July 21st was in 2002 (84°F average), while the coldest was 1992 (59°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 24% of July 21st dates historically, with the wettest July 21st recording 1.45" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for July 21st in Green Bay, WI? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 58° | 67° | — | — |
| 2024 | 81° | 60° | 70° | — | — |
| 2023 | 84° | 54° | 69° | — | — |
| 2022 | 87° | 66° | 77° | — | — |
| 2021 | 75° | 52° | 63° | — | — |
| 2020 | 77° | 57° | 67° | 0.03" | — |
| 2019 | 83° | 59° | 71° | — | — |
| 2018 | 75° | 65° | 70° | 0.33" | — |
| 2017 | 83° | 63° | 73° | — | — |
| 2016 | 88° | 68° | 78° | 1.14" | — |
| 2015 | 79° | 56° | 67° | — | — |
| 2014 | 86° | 64° | 75° | — | — |
| 2013 | 73° | 59° | 66° | — | — |
| 2012 | 89° | 63° | 76° | — | — |
| 2011 | 86° | 68° | 77° | — | — |
| 2010 | 85° | 63° | 74° | — | — |
| 2009 | 79° | 55° | 67° | — | — |
| 2008 | 78° | 62° | 70° | 0.38" | — |
| 2007 | 77° | 47° | 62° | — | — |
| 2006 | 72° | 56° | 64° | — | — |
| 2005 | 84° | 61° | 72° | — | — |
| 2004 | 84° | 68° | 76° | — | — |
| 2003 | 74° | 58° | 66° | 0.13" | — |
| 2002warmest | 96° | 72° | 84° | — | — |
| 2001 | 91° | 69° | 80° | 0.23" | — |
| 2000 | 68° | 52° | 60° | — | — |
| 1999 | 76° | 63° | 69° | 0.66" | — |
| 1998 | 86° | 66° | 76° | 0.03" | — |
| 1997 | 71° | 61° | 66° | — | — |
| 1996 | 79° | 48° | 63° | — | — |
| 1995 | 86° | 59° | 73° | — | — |
| 1994 | 84° | 66° | 75° | — | — |
| 1993 | 79° | 54° | 66° | — | — |
| 1992coldest | 73° | 44° | 59° | — | — |
| 1991 | 75° | 70° | 72° | — | — |
| 1990 | 79° | 57° | 68° | — | — |
| 1989 | 81° | 58° | 69° | — | — |
| 1988 | 74° | 61° | 67° | 0.66" | — |
| 1987 | 89° | 63° | 76° | — | — |
| 1986 | 79° | 55° | 67° | — | — |
| 1985 | 84° | 55° | 70° | — | — |
| 1984 | 82° | 54° | 68° | — | — |
| 1983 | 87° | 69° | 78° | 1.45" | — |
| 1982 | 83° | 55° | 69° | — | — |
| 1981 | 70° | 53° | 61° | — | — |
| 1980 | 82° | 63° | 72° | — | — |
| 1979 | 85° | 63° | 74° | 0.43" | — |
| 1978 | 72° | 57° | 64° | 0.03" | — |
| 1977 | 84° | 61° | 72° | — | — |
| 1976 | 81° | 61° | 71° | — | — |
| 1975 | 83° | 59° | 71° | — | — |
| 1974 | 79° | 48° | 63° | 0.64" | — |
| 1973 | 75° | 58° | 66° | — | — |
| 1972 | 92° | 72° | 82° | — | — |
| 1971 | 88° | 58° | 73° | — | — |
Green Bay, WI Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Green Bay, WI Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Green Bay, WI 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 Green Bay, WI
Green Bay, WI has no months that meet our "pleasant" threshold — every season has tradeoffs.