Weather on June 21
Green Bay, WI
55 Years of Data
Avg High
78°F
Avg Low
58°F
Warmest
2022
86°F avg
Coldest
1992
51°F avg
About This Date
June 21st in Green Bay, WI typically brings pleasant summer weather, with average highs around 78°F and lows near 58°F. Over 55 years of records, the warmest June 21st was in 2022 (86°F average), while the coldest was 1992 (51°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 35% of June 21st dates historically, with the wettest June 21st recording 3.25" 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 June 21st in Green Bay, WI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 74° | 83° | — | — |
| 2024 | 70° | 64° | 67° | 0.43" | — |
| 2023 | 88° | 63° | 75° | — | — |
| 2022warmest | 96° | 75° | 86° | — | — |
| 2021 | 66° | 48° | 57° | 0.03" | — |
| 2020 | 81° | 64° | 72° | — | — |
| 2019 | 75° | 51° | 63° | — | — |
| 2018 | 72° | 58° | 65° | — | — |
| 2017 | 77° | 52° | 64° | — | — |
| 2016 | 81° | 56° | 68° | — | — |
| 2015 | 83° | 57° | 70° | — | — |
| 2014 | 71° | 57° | 64° | 0.03" | — |
| 2013 | 79° | 66° | 72° | 1.27" | — |
| 2012 | 80° | 61° | 70° | 0.08" | — |
| 2011 | 64° | 60° | 62° | 3.25" | — |
| 2010 | 78° | 58° | 68° | 2.64" | — |
| 2009 | 81° | 61° | 71° | — | — |
| 2008 | 80° | 58° | 69° | 0.15" | — |
| 2007 | 76° | 55° | 65° | — | — |
| 2006 | 82° | 61° | 71° | 1.07" | — |
| 2005 | 84° | 62° | 73° | — | — |
| 2004 | 69° | 59° | 64° | — | — |
| 2003 | 80° | 48° | 64° | — | — |
| 2002 | 72° | 62° | 67° | 1.32" | — |
| 2001 | 68° | 55° | 62° | 0.61" | — |
| 2000 | 77° | 62° | 70° | — | — |
| 1999 | 82° | 51° | 67° | — | — |
| 1998 | 83° | 65° | 74° | — | — |
| 1997 | 78° | 64° | 71° | 1.65" | — |
| 1996 | 82° | 58° | 70° | 0.05" | — |
| 1995 | 89° | 66° | 78° | — | — |
| 1994 | 86° | 65° | 75° | — | — |
| 1993 | 86° | 55° | 71° | — | — |
| 1992coldest | 65° | 37° | 51° | — | — |
| 1991 | 69° | 55° | 62° | 0.13" | — |
| 1990 | 81° | 61° | 71° | — | — |
| 1989 | 80° | 56° | 68° | — | — |
| 1988 | 98° | 65° | 81° | — | — |
| 1987 | 68° | 64° | 66° | 0.76" | — |
| 1986 | 88° | 56° | 72° | — | — |
| 1985 | 76° | 58° | 67° | 2.54" | — |
| 1984 | 81° | 58° | 69° | — | — |
| 1983 | 86° | 62° | 74° | — | — |
| 1982 | 68° | 46° | 57° | 0.51" | — |
| 1981 | 69° | 51° | 60° | 0.08" | — |
| 1980 | 77° | 56° | 66° | — | — |
| 1979 | 76° | 63° | 69° | — | — |
| 1978 | 71° | 49° | 60° | — | — |
| 1977 | 77° | 46° | 62° | — | — |
| 1976 | 85° | 52° | 68° | — | — |
| 1975 | 88° | 62° | 75° | — | — |
| 1974 | 78° | 61° | 69° | — | — |
| 1973 | 73° | 58° | 65° | 0.38" | — |
| 1972 | 67° | 47° | 57° | — | — |
| 1971 | 80° | 55° | 68° | — | — |
55 years of data from GREEN BAY