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Green Bay, WI Weather on April 12
April 12th in Green Bay, WI typically brings cool spring weather, with average highs around 52°F and lows near 34°F. Over 55 years of records, the warmest April 12th was in 2023 (71°F average), while the coldest was 1992 (30°F) — a 41°F range across recorded history. Precipitation has occurred on 44% of recorded April 12th dates, with snow falling 11% of the time (heaviest snowfall: 3.5"). The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
What to Expect on April 12
Planning for April 12th in Green Bay, WI? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
April 12 Weather Records for Green Bay
- •The all-time record high for April 12th in Green Bay, WI is 86°F, set in 2023.
- •The coldest April 12th on record dropped to 20°F in 1990.
- •A freeze (32°F or below) has occurred on April 12th in 26 of the last 55 years.
- •Last year (1971), April 12th was 6°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest April 12 ever in Green Bay?
The warmest April 12 in Green Bay, WI reached 86°F in 2023. That is 34°F above the long-term average high of 52°F.
What was the coldest April 12 ever in Green Bay?
The coldest April 12 in Green Bay, WI dropped to 20°F in 1990. That is 14°F below the long-term average low of 34°F.
What is the average temperature on April 12 in Green Bay?
On April 12, Green Bay averages a high of 52°F and a low of 34°F based on 55 years of NOAA weather observations from GREEN BAY.
How many years of weather data are available for April 12 in Green Bay?
We have 55 years of weather records for April 12 in Green Bay, WI, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
April 12 Weather History in Green Bay
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 62°F | 32°F | 0" | -- |
| 2024 | 59°F | 40°F | 0" | -- |
| 2023 | 86°F | 56°F | 0" | -- |
| 2022 | 60°F | 33°F | 1.14" | -- |
| 2021 | 61°F | 43°F | 0.05" | -- |
| 2020 | 48°F | 33°F | 1.85" | 0.2" |
| 2019 | 42°F | 35°F | 0" | -- |
| 2018 | 46°F | 36°F | 0.64" | -- |
| 2017 | 54°F | 32°F | 0.03" | -- |
| 2016 | 46°F | 29°F | 0" | -- |
| 2015 | 71°F | 41°F | 0" | -- |
| 2014 | 43°F | 37°F | 1.5" | -- |
| 2013 | 34°F | 31°F | 0.66" | 2.3" |
| 2012 | 59°F | 30°F | 0" | -- |
| 2011 | 58°F | 33°F | 0" | -- |
| 2010 | 63°F | 37°F | 0" | -- |
| 2009 | 49°F | 24°F | 0" | -- |
| 2008 | 37°F | 33°F | 0.66" | 2" |
| 2007 | 42°F | 32°F | 0.2" | 1.5" |
| 2006 | 70°F | 51°F | 1.12" | -- |
| 2005 | 54°F | 36°F | 0" | -- |
| 2004 | 38°F | 27°F | 0" | -- |
| 2003 | 48°F | 32°F | 0" | -- |
| 2002 | 62°F | 42°F | 0.38" | -- |
| 2001 | 59°F | 43°F | 0.15" | -- |
| 2000 | 46°F | 24°F | 0" | -- |
| 1999 | 56°F | 26°F | 0" | -- |
| 1998 | 73°F | 46°F | 0" | -- |
| 1997 | 37°F | 29°F | 0" | -- |
| 1996 | 38°F | 32°F | 1.6" | -- |
| 1995 | 50°F | 37°F | 0" | -- |
| 1994 | 47°F | 37°F | 1.4" | -- |
| 1993 | 46°F | 29°F | 0" | -- |
| 1992 | 37°F | 23°F | 0" | -- |
| 1991 | 39°F | 32°F | 1.17" | 3.5" |
| 1990 | 43°F | 20°F | 0" | -- |
| 1989 | 44°F | 26°F | 0" | -- |
| 1988 | 62°F | 28°F | 0" | -- |
| 1987 | 61°F | 39°F | 0" | -- |
| 1986 | 44°F | 30°F | 0" | -- |
| 1985 | 48°F | 36°F | 0.56" | -- |
| 1984 | 55°F | 34°F | 0.64" | -- |
| 1983 | 47°F | 32°F | 0" | -- |
| 1982 | 45°F | 34°F | 0.38" | -- |
| 1981 | 52°F | 40°F | 0.08" | -- |
| 1980 | 41°F | 31°F | 0.2" | 0.4" |
| 1979 | 63°F | 36°F | 0.64" | -- |
| 1978 | 63°F | 30°F | 0" | -- |
| 1977 | 80°F | 45°F | 0" | -- |
| 1976 | 55°F | 23°F | 0" | -- |
| 1975 | 45°F | 22°F | 0" | -- |
| 1974 | 65°F | 45°F | 1.22" | -- |
| 1973 | 39°F | 25°F | 0" | -- |
| 1972 | 47°F | 35°F | 0.56" | -- |
| 1971 | 58°F | 36°F | 0.48" | -- |
Based on 55 years of data from NOAA station: GREEN BAY
Monthly Climate Averages
Historical temperature and precipitation averages for Green Bay, WI, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.