Weather on December 20
Olathe, KS
55 Years of Data
Avg High
40°F
Avg Low
23°F
Warmest
2015
50°F avg
Coldest
1983
-2°F avg
About This Date
December 20th in Olathe, KS typically brings chilly winter weather, with average highs around 40°F and lows near 23°F. Over 55 years of records, the warmest December 20th was in 2015 (50°F average), while the coldest was 1983 (-2°F) — a 52°F range across recorded history. Precipitation has occurred on 18% of recorded December 20th dates, with snow falling 5% of the time. The last decade has been 9.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 9.4°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Olathe, KS? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 53° | 29° | 41° | — | — |
| 2024 | 30° | 17° | 24° | — | — |
| 2023 | 57° | 37° | 47° | — | — |
| 2022 | 36° | 20° | 28° | — | — |
| 2021 | 49° | 27° | 38° | — | — |
| 2020 | 53° | 27° | 40° | — | — |
| 2019 | 44° | 31° | 38° | — | — |
| 2018 | 43° | 30° | 37° | — | — |
| 2017 | 43° | 33° | 38° | — | — |
| 2016 | 36° | 18° | 27° | — | — |
| 2015warmest | 56° | 45° | 50° | — | — |
| 2014 | 45° | 33° | 39° | — | — |
| 2013 | 50° | 19° | 35° | — | — |
| 2012 | 37° | 23° | 30° | 0.25" | — |
| 2011 | 36° | 32° | 34° | 0.13" | — |
| 2010 | 51° | 32° | 42° | — | — |
| 2009 | 46° | 24° | 35° | — | — |
| 2008 | 29° | 22° | 25° | — | — |
| 2007 | 52° | 26° | 39° | — | — |
| 2006 | 40° | 27° | 33° | 0.69" | — |
| 2005 | 27° | 10° | 18° | — | — |
| 2004 | 24° | 7° | 15° | — | — |
| 2003 | 42° | 26° | 34° | — | — |
| 2002 | 49° | 30° | 39° | — | — |
| 2001 | 43° | 29° | 36° | — | — |
| 2000 | 26° | 8° | 17° | — | — |
| 1999 | 34° | 15° | 24° | 0.23" | 0.5" |
| 1998 | 29° | 22° | 25° | — | — |
| 1997 | 36° | 31° | 33° | — | — |
| 1996 | 39° | 7° | 23° | — | — |
| 1995 | 35° | 27° | 31° | — | — |
| 1994 | 49° | 37° | 43° | — | — |
| 1993 | 44° | 29° | 36° | — | — |
| 1992 | 43° | 20° | 31° | — | — |
| 1991 | 39° | 33° | 36° | 2.16" | — |
| 1990 | 42° | 12° | 27° | — | — |
| 1989 | 25° | 3° | 14° | — | — |
| 1988 | 57° | 34° | 45° | 1.19" | — |
| 1987 | 39° | 30° | 35° | 4.42" | — |
| 1986 | 49° | 28° | 38° | — | — |
| 1985 | 25° | 7° | 16° | 0.08" | 0.7" |
| 1984 | 32° | 25° | 28° | — | — |
| 1983coldest | 8° | -12° | -2° | — | — |
| 1982 | 49° | 29° | 39° | — | — |
| 1981 | 35° | 16° | 25° | — | — |
| 1980 | 18° | 4° | 11° | — | — |
| 1979 | 58° | 25° | 41° | — | — |
| 1978 | 56° | 31° | 43° | — | — |
| 1977 | 30° | 20° | 25° | — | — |
| 1976 | 32° | 15° | 24° | — | — |
| 1975 | 49° | 34° | 41° | — | — |
| 1974 | 35° | 27° | 31° | — | — |
| 1973 | 24° | 4° | 14° | 0.03" | 0.1" |
| 1972 | 39° | 32° | 36° | — | — |
| 1971 | 42° | 28° | 35° | 0.18" | — |
55 years of data from OLATHE 3E