Weather on December 20
Elgin, IL
55 Years of Data
Avg High
32°F
Avg Low
17°F
Warmest
2018
45°F avg
Coldest
1983
-6°F avg
About This Date
December 20th in Elgin, IL typically brings cold winter weather, with average highs around 32°F and lows near 17°F. Over 54 years of records, the warmest December 20th was in 2018 (45°F average), while the coldest was 1983 (-6°F) — a 51°F range across recorded history. Precipitation has occurred on 24% of recorded December 20th dates, with snow falling 11% of the time (heaviest snowfall: 1.4"). The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Elgin, IL? Bundle up with warm layers and protect extremities from the cold.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 33° | 8° | 21° | — | — |
| 2024 | 32° | 25° | 28° | 0.3" | 0.7" |
| 2023 | 32° | 15° | 24° | — | — |
| 2022 | 25° | 7° | 16° | — | — |
| 2021 | 38° | 27° | 32° | — | — |
| 2020 | 43° | 31° | 37° | — | — |
| 2019 | 37° | 18° | 27° | — | — |
| 2018warmest | 53° | 38° | 45° | 0.05" | — |
| 2017 | 47° | 25° | 36° | — | — |
| 2016 | 20° | -9° | 5° | — | — |
| 2015 | 34° | 13° | 23° | — | — |
| 2014 | 30° | 24° | 27° | — | — |
| 2013 | 38° | 23° | 30° | 0.1" | — |
| 2012 | 41° | 30° | 36° | 2.11" | — |
| 2011 | 48° | 31° | 39° | — | — |
| 2010 | 20° | 5° | 12° | — | — |
| 2009 | 32° | 25° | 28° | 0.05" | — |
| 2008 | 29° | 26° | 27° | 0.18" | 1" |
| 2007 | 33° | 19° | 26° | — | — |
| 2006 | 43° | 19° | 31° | — | — |
| 2005 | 12° | -4° | 4° | — | — |
| 2004 | 13° | 1° | 7° | — | — |
| 2003 | 31° | 12° | 21° | — | — |
| 2002 | 42° | 32° | 37° | 0.05" | — |
| 2001 | 37° | 24° | 31° | — | — |
| 2000 | 20° | -3° | 9° | — | — |
| 1999 | 38° | 21° | 29° | 0.13" | 0.3" |
| 1998 | 38° | 26° | 32° | — | — |
| 1997 | 49° | 31° | 40° | — | — |
| 1996 | 12° | 2° | 7° | — | — |
| 1995 | 31° | 17° | 24° | — | — |
| 1994 | 35° | 24° | 30° | — | — |
| 1993 | 35° | 32° | 34° | — | — |
| 1992 | 37° | 11° | 24° | — | — |
| 1991 | 30° | 10° | 20° | — | — |
| 1990 | 34° | 29° | 31° | — | — |
| 1989 | 13° | -7° | 3° | — | — |
| 1988 | 53° | 26° | 40° | 0.15" | — |
| 1987 | 36° | 31° | 33° | 2.84" | — |
| 1986 | 42° | 21° | 32° | — | — |
| 1985 | 14° | -7° | 4° | — | — |
| 1984 | 28° | 13° | 20° | — | — |
| 1983coldest | 6° | -18° | -6° | — | 0.5" |
| 1982 | 35° | 24° | 30° | — | — |
| 1981 | 21° | 0° | 11° | — | — |
| 1980 | 5° | -5° | 0° | — | — |
| 1979 | 42° | — | — | — | — |
| 1978 | 33° | 26° | 30° | — | — |
| 1977 | 36° | 31° | 33° | 0.08" | 1.3" |
| 1976 | 43° | 21° | 32° | 0.1" | — |
| 1975 | 30° | — | — | — | — |
| 1974 | 32° | 16° | 24° | 0.38" | 1.4" |
| 1973 | 27° | 16° | 21° | — | — |
| 1971 | 39° | 27° | 33° | — | — |
54 years of data from ELGIN WATER