Kingshuk Mondal / CC BY 4.0
Green Bay, WI Weather on August 12
August 12th in Green Bay, WI typically brings pleasant summer weather, with average highs around 79°F and lows near 57°F. Over 55 years of records, the warmest August 12th was in 1988 (81°F average), while the coldest was 1992 (56°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 12th dates historically, with the wettest August 12th recording 1.6" of rain. The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
What to Expect on August 12
Planning for August 12th in Green Bay, WI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
August 12 Weather Records for Green Bay
- •The all-time record high for August 12th in Green Bay, WI is 92°F, set in 1988.
- •The coldest August 12th on record dropped to 45°F in 1982.
- •Temperatures have reached 90°F or higher on August 12th in 3 of the last 55 years.
- •Last year (1971), August 12th was 6°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest August 12 ever in Green Bay?
The warmest August 12 in Green Bay, WI reached 92°F in 1988. That is 13°F above the long-term average high of 79°F.
What was the coldest August 12 ever in Green Bay?
The coldest August 12 in Green Bay, WI dropped to 45°F in 1982. That is 12°F below the long-term average low of 57°F.
What is the average temperature on August 12 in Green Bay?
On August 12, Green Bay averages a high of 79°F and a low of 57°F based on 55 years of NOAA weather observations from GREEN BAY.
How many years of weather data are available for August 12 in Green Bay?
We have 55 years of weather records for August 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.
August 12 Weather History in Green Bay
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 82°F | 62°F | 0.21" | -- |
| 2024 | 84°F | 56°F | 0" | -- |
| 2023 | 81°F | 61°F | 0" | -- |
| 2022 | 75°F | 52°F | 0" | -- |
| 2021 | 81°F | 61°F | 0" | -- |
| 2020 | 87°F | 55°F | 0" | -- |
| 2019 | 81°F | 63°F | 0" | -- |
| 2018 | 88°F | 59°F | 0" | -- |
| 2017 | 78°F | 55°F | 0" | -- |
| 2016 | 75°F | 69°F | 0" | -- |
| 2015 | 81°F | 55°F | 0" | -- |
| 2014 | 73°F | 53°F | 1" | -- |
| 2013 | 78°F | 52°F | 0" | -- |
| 2012 | 76°F | 53°F | 0" | -- |
| 2011 | 75°F | 61°F | 0.04" | -- |
| 2010 | 91°F | 71°F | 0" | -- |
| 2009 | 83°F | 56°F | 0" | -- |
| 2008 | 80°F | 52°F | 0" | -- |
| 2007 | 89°F | 65°F | 0.43" | -- |
| 2006 | 78°F | 48°F | 0" | -- |
| 2005 | 78°F | 61°F | 0.2" | -- |
| 2004 | 69°F | 51°F | 0" | -- |
| 2003 | 76°F | 55°F | 0" | -- |
| 2002 | 84°F | 63°F | 0.28" | -- |
| 2001 | 84°F | 50°F | 0.46" | -- |
| 2000 | 79°F | 52°F | 0" | -- |
| 1999 | 74°F | 59°F | 0.12" | -- |
| 1998 | 78°F | 52°F | 0" | -- |
| 1997 | 65°F | 52°F | 0.27" | -- |
| 1996 | 83°F | 60°F | 0" | -- |
| 1995 | 75°F | 71°F | 1.6" | -- |
| 1994 | 70°F | 55°F | 0" | -- |
| 1993 | 83°F | 62°F | 0" | -- |
| 1992 | 63°F | 50°F | 0.19" | -- |
| 1991 | 81°F | 56°F | 0" | -- |
| 1990 | 67°F | 54°F | 0" | -- |
| 1989 | 87°F | 55°F | 0.5" | -- |
| 1988 | 92°F | 70°F | 0" | -- |
| 1987 | 83°F | 57°F | 0" | -- |
| 1986 | 75°F | 49°F | 0" | -- |
| 1985 | 74°F | 55°F | 1.43" | -- |
| 1984 | 77°F | 60°F | 0" | -- |
| 1983 | 75°F | 51°F | 0" | -- |
| 1982 | 74°F | 45°F | 0" | -- |
| 1981 | 85°F | 58°F | 0" | -- |
| 1980 | 75°F | 53°F | 0" | -- |
| 1979 | 75°F | 50°F | 0.16" | -- |
| 1978 | 85°F | 61°F | 0" | -- |
| 1977 | 82°F | 48°F | 0" | -- |
| 1976 | 86°F | 65°F | 0.22" | -- |
| 1975 | 90°F | 56°F | 0.01" | -- |
| 1974 | 76°F | 57°F | 0.11" | -- |
| 1973 | 82°F | 56°F | 0" | -- |
| 1972 | 85°F | 54°F | 0" | -- |
| 1971 | 85°F | 55°F | 0" | -- |
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.