Weather on December 19
Naperville, IL
55 Years of Data
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° | — | — |
Naperville, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Naperville, IL Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Naperville, IL Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Naperville, IL
Naperville, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.