Weather on December 17
Naperville, IL
55 Years of Data
About This Date
December 17th in Naperville, IL typically brings cold winter weather, with average highs around 35°F and lows near 20°F. Over 55 years of records, the warmest December 17th was in 1977 (50°F average), while the coldest was 1972 (6°F) — a 44°F range across recorded history. Precipitation has occurred on 31% of recorded December 17th dates, with snow falling 22% of the time (heaviest snowfall: 3.9"). The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for December 17th in Naperville, IL? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 40° | 12° | 26° | — | — |
| 2024 | 48° | 31° | 39° | — | — |
| 2023 | 41° | 37° | 39° | 1.6" | — |
| 2022 | 28° | 21° | 25° | 0.25" | 1.7" |
| 2021 | 42° | 20° | 31° | — | — |
| 2020 | 32° | 29° | 30° | — | — |
| 2019 | 29° | 15° | 22° | — | — |
| 2018 | 48° | 27° | 37° | — | — |
| 2017 | 47° | 24° | 35° | — | — |
| 2016 | 21° | 13° | 17° | — | 1" |
| 2015 | 55° | 29° | 42° | — | — |
| 2014 | 44° | 24° | 34° | — | — |
| 2013 | 22° | 10° | 16° | 0.08" | 0.4" |
| 2012 | 44° | 36° | 40° | — | — |
| 2011 | 36° | 25° | 30° | 0.18" | 0.1" |
| 2010 | 26° | 10° | 18° | — | — |
| 2009 | 23° | 4° | 13° | — | — |
| 2008 | 20° | 7° | 13° | 0.74" | 3.9" |
| 2007 | 26° | 15° | 21° | — | — |
| 2006 | 55° | 44° | 50° | — | — |
| 2005 | 23° | 12° | 18° | — | — |
| 2004 | 43° | 15° | 29° | — | — |
| 2003 | 30° | 21° | 26° | 0.1" | 0.2" |
| 2002 | 34° | 29° | 31° | — | — |
| 2001 | 48° | 39° | 44° | 0.56" | — |
| 2000 | 34° | 5° | 19° | — | — |
| 1999 | 30° | 20° | 25° | 0.08" | 1" |
| 1998 | 40° | 25° | 32° | — | — |
| 1997 | 51° | 17° | 34° | — | — |
| 1996 | 30° | 22° | 26° | — | — |
| 1995 | 38° | 22° | 30° | — | — |
| 1994 | 44° | 31° | 37° | 0.64" | — |
| 1993 | 41° | 35° | 38° | — | — |
| 1992 | 40° | 29° | 34° | — | — |
| 1991 | 38° | 29° | 33° | — | — |
| 1990 | 40° | 34° | 37° | — | — |
| 1989 | 18° | -2° | 8° | — | — |
| 1988 | 21° | 11° | 16° | — | — |
| 1987 | 30° | 28° | 29° | 0.03" | — |
| 1986 | 40° | 35° | 37° | — | — |
| 1985 | 15° | 4° | 9° | 0.08" | 0.6" |
| 1984 | 58° | 30° | 44° | 0.13" | — |
| 1983 | 13° | 3° | 8° | 0.08" | 0.6" |
| 1982 | 33° | 24° | 29° | — | — |
| 1981 | 25° | 17° | 21° | 0.05" | 0.4" |
| 1980 | 35° | 25° | 30° | — | — |
| 1979 | 19° | -2° | 9° | — | — |
| 1978 | 33° | 17° | 25° | — | — |
| 1977warmest | 55° | 45° | 50° | 0.1" | — |
| 1976 | 38° | 26° | 32° | — | — |
| 1975 | 30° | 9° | 19° | — | — |
| 1974 | 32° | 22° | 27° | 0.05" | 0.2" |
| 1973 | 26° | 3° | 15° | 0.05" | 1.2" |
| 1972coldest | 19° | -7° | 6° | — | — |
| 1971 | 37° | 13° | 25° | — | — |