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Naperville, IL Weather on April 12
April 12th in Naperville, IL typically brings mild spring weather, with average highs around 61°F and lows near 37°F. Over 55 years of records, the warmest April 12th was in 1971 (72°F average), while the coldest was 1990 (35°F) — a 37°F range across recorded history. Precipitation has occurred on 45% of recorded April 12th dates, with snow falling 2% of the time (heaviest snowfall: 1.2"). The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
What to Expect on April 12
Planning for April 12th in Naperville, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
April 12 Weather Records for Naperville
- •The all-time record high for April 12th in Naperville, IL is 85°F, set in 1971.
- •The coldest April 12th on record dropped to 20°F in 1976.
- •A freeze (32°F or below) has occurred on April 12th in 14 of the last 55 years.
- •Last year (1971), April 12th was 24°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest April 12 ever in Naperville?
The warmest April 12 in Naperville, IL reached 85°F in 1971. That is 24°F above the long-term average high of 61°F.
What was the coldest April 12 ever in Naperville?
The coldest April 12 in Naperville, IL dropped to 20°F in 1976. That is 17°F below the long-term average low of 37°F.
What is the average temperature on April 12 in Naperville?
On April 12, Naperville averages a high of 61°F and a low of 37°F based on 55 years of NOAA weather observations from WHEATON 3 SE.
How many years of weather data are available for April 12 in Naperville?
We have 55 years of weather records for April 12 in Naperville, IL, 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 Naperville
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 50°F | 32°F | 0" | -- |
| 2024 | 59°F | 45°F | 0.23" | -- |
| 2023 | 79°F | 50°F | 0" | -- |
| 2022 | 62°F | 32°F | 0" | -- |
| 2021 | 56°F | 44°F | 0.13" | -- |
| 2020 | 65°F | 34°F | 0.99" | -- |
| 2019 | 59°F | 39°F | 0.91" | -- |
| 2018 | 66°F | 38°F | 0.05" | -- |
| 2017 | 55°F | 32°F | 0" | -- |
| 2016 | 52°F | 25°F | 0" | -- |
| 2015 | 65°F | 36°F | 0" | -- |
| 2014 | 70°F | 31°F | 0" | -- |
| 2013 | 49°F | 36°F | 0.18" | -- |
| 2012 | 55°F | 26°F | 0" | -- |
| 2011 | 66°F | 38°F | 0" | -- |
| 2010 | 63°F | 40°F | 0" | -- |
| 2009 | 49°F | 26°F | 0" | -- |
| 2008 | 63°F | 37°F | 0.25" | -- |
| 2007 | 37°F | 33°F | 1.85" | -- |
| 2006 | 76°F | 60°F | 0.2" | -- |
| 2005 | 77°F | 42°F | 0.15" | -- |
| 2004 | 46°F | 26°F | 0" | -- |
| 2003 | 73°F | 35°F | 0" | -- |
| 2002 | 78°F | 58°F | 0.1" | -- |
| 2001 | 75°F | 42°F | 0.86" | -- |
| 2000 | 54°F | 24°F | 0" | -- |
| 1999 | 60°F | 33°F | 0" | -- |
| 1998 | 74°F | 50°F | 0" | -- |
| 1997 | 37°F | 32°F | 2.16" | -- |
| 1996 | 81°F | 43°F | 0" | -- |
| 1995 | 58°F | 35°F | 2.34" | -- |
| 1994 | 62°F | 39°F | 2.31" | -- |
| 1993 | 52°F | 37°F | 0" | -- |
| 1992 | 49°F | 34°F | 0.1" | -- |
| 1991 | 47°F | 36°F | 0.56" | -- |
| 1990 | 46°F | 23°F | 0" | -- |
| 1989 | 52°F | 34°F | 0.08" | -- |
| 1988 | 62°F | 40°F | 0" | -- |
| 1987 | 62°F | 41°F | 0.56" | -- |
| 1986 | 68°F | 34°F | 0" | -- |
| 1985 | 76°F | 39°F | 0" | -- |
| 1984 | 61°F | 40°F | 0" | -- |
| 1983 | 58°F | 34°F | 0" | -- |
| 1982 | 60°F | 37°F | 0" | -- |
| 1981 | 60°F | 42°F | 0.94" | -- |
| 1980 | 47°F | 33°F | 1.35" | -- |
| 1979 | 75°F | 40°F | 5.11" | -- |
| 1978 | 68°F | 34°F | 0" | -- |
| 1977 | 84°F | 47°F | 0" | -- |
| 1976 | 56°F | 20°F | 0" | -- |
| 1975 | 53°F | 20°F | 0" | -- |
| 1974 | 73°F | 53°F | 0.74" | -- |
| 1973 | 47°F | 32°F | 1.04" | 1.2" |
| 1972 | 63°F | 39°F | 0.08" | -- |
| 1971 | 85°F | 59°F | 0" | -- |
Based on 55 years of data from NOAA station: WHEATON 3 SE
Monthly Climate Averages
Historical temperature and precipitation averages for Naperville, IL, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.