Weather on December 19
Naperville, IL
55 Years of Data
Avg High
35°F
Avg Low
18°F
Warmest
2002
58°F avg
Coldest
1983
-3°F avg
About This Date
December 19th in Naperville, IL typically brings cold winter weather, with average highs around 35°F and lows near 18°F. Over 55 years of records, the warmest December 19th was in 2002 (58°F average), while the coldest was 1983 (-3°F) — a 61°F range across recorded history. Precipitation has occurred on 29% of recorded December 19th dates, with snow falling 15% of the time (heaviest snowfall: 2.6"). The last decade has been 4.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.9°F cooler on this date compared to 20-30 years ago.
Planning for December 19th in Naperville, IL? Bundle up with warm layers and protect extremities from the cold.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 50° | 9° | 29° | 0.43" | — |
| 2024 | 32° | 22° | 27° | — | — |
| 2023 | 30° | 12° | 21° | — | — |
| 2022 | 18° | 6° | 12° | — | — |
| 2021 | 37° | 25° | 31° | — | — |
| 2020 | 37° | 20° | 28° | — | — |
| 2019 | 20° | 12° | 16° | — | — |
| 2018 | 44° | 20° | 32° | — | — |
| 2017 | 45° | 35° | 40° | 0.13" | — |
| 2016 | 8° | -10° | -1° | — | — |
| 2015 | 32° | 15° | 24° | 0.03" | — |
| 2014 | 30° | 22° | 26° | — | — |
| 2013 | 34° | 16° | 25° | — | — |
| 2012 | 41° | 31° | 36° | — | — |
| 2011 | 44° | 24° | 34° | — | — |
| 2010 | 29° | 9° | 19° | — | — |
| 2009 | 38° | 30° | 34° | 0.51" | 2" |
| 2008 | 29° | 1° | 15° | 1.96" | 2.6" |
| 2007 | 38° | 20° | 29° | — | — |
| 2006 | 44° | 19° | 32° | — | — |
| 2005 | 12° | -2° | 5° | — | — |
| 2004 | 34° | 3° | 18° | 0.15" | 0.3" |
| 2003 | 30° | 24° | 27° | 0.03" | — |
| 2002warmest | 64° | 52° | 58° | 2.24" | — |
| 2001 | 49° | 32° | 40° | 0.05" | — |
| 2000 | 25° | 6° | 15° | 0.56" | 2.5" |
| 1999 | 43° | 16° | 29° | — | — |
| 1998 | 52° | 34° | 43° | — | — |
| 1997 | 53° | 27° | 40° | — | — |
| 1996 | 14° | 4° | 9° | — | — |
| 1995 | 40° | 33° | 36° | — | — |
| 1994 | 35° | 17° | 26° | — | — |
| 1993 | 36° | 33° | 34° | 0.15" | — |
| 1992 | 39° | 31° | 35° | — | — |
| 1991 | 32° | 7° | 19° | — | — |
| 1990 | 50° | 30° | 40° | — | — |
| 1989 | 16° | -2° | 7° | 0.28" | 1" |
| 1988 | 55° | 18° | 36° | 0.23" | — |
| 1987 | 36° | 22° | 29° | — | — |
| 1986 | 44° | 25° | 34° | — | — |
| 1985 | 16° | 4° | 10° | — | — |
| 1984 | 33° | 23° | 28° | 0.46" | 0.5" |
| 1983coldest | 9° | -15° | -3° | — | — |
| 1982 | 44° | 33° | 39° | — | — |
| 1981 | 25° | 4° | 14° | — | — |
| 1980 | 27° | 0° | 13° | 0.13" | 0.8" |
| 1979 | 45° | 20° | 32° | — | — |
| 1978 | 34° | 29° | 31° | — | — |
| 1977 | 39° | — | — | — | — |
| 1976 | 47° | 19° | 33° | — | — |
| 1975 | 32° | 10° | 21° | — | — |
| 1974 | 31° | 21° | 26° | — | — |
| 1973 | 29° | 20° | 24° | 1.17" | 2.5" |
| 1972 | 38° | 31° | 34° | — | — |
| 1971 | 38° | 24° | 31° | — | — |
55 years of data from LISLE - MORTON ARBORETUM