Weather on December 20
Elgin, IL
55 Years of Data
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.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 33° | 8° | 21° | — | — |
| 2024 | 32° | 25° | 28° | 0.12" | 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° | 0.02" | — |
| 2017 | 47° | 25° | 36° | — | — |
| 2016 | 20° | -9° | 5° | — | — |
| 2015 | 34° | 13° | 23° | — | — |
| 2014 | 30° | 24° | 27° | — | — |
| 2013 | 38° | 23° | 30° | 0.04" | — |
| 2012 | 41° | 30° | 36° | 0.83" | — |
| 2011 | 48° | 31° | 39° | — | — |
| 2010 | 20° | 5° | 12° | — | — |
| 2009 | 32° | 25° | 28° | 0.02" | — |
| 2008 | 29° | 26° | 27° | 0.07" | 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° | 0.02" | — |
| 2001 | 37° | 24° | 31° | — | — |
| 2000 | 20° | -3° | 9° | — | — |
| 1999 | 38° | 21° | 29° | 0.05" | 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° | 0.06" | — |
| 1987 | 36° | 31° | 33° | 1.12" | — |
| 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° | 0.03" | 1.3" |
| 1976 | 43° | 21° | 32° | 0.04" | — |
| 1975 | 30° | — | — | — | — |
| 1974 | 32° | 16° | 24° | 0.15" | 1.4" |
| 1973 | 27° | 16° | 21° | — | — |
| 1971 | 39° | 27° | 33° | — | — |
Elgin, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Elgin, IL Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Elgin, 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 Elgin, IL
Most pleasant months in Elgin, IL: May, June, August, September.
What to expect on December 20th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
December 20th outlook →