Weather on December 20
Norman, OK
55 Years of Data
Avg High
50°F
Avg Low
30°F
Warmest
2010
61°F avg
Coldest
1983
12°F avg
About This Date
December 20th in Norman, OK typically brings cool winter weather, with average highs around 50°F and lows near 30°F. Over 55 years of records, the warmest December 20th was in 2010 (61°F average), while the coldest was 1983 (12°F) — a 49°F range across recorded history. Precipitation has occurred on 15% of recorded December 20th dates, with snow falling 2% of the time. The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Norman, OK? Bring layers as temperatures can vary throughout the day.
Warming Trend
2.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 43° | 53° | — | — |
| 2024 | 46° | 31° | 38° | — | — |
| 2023 | 57° | 42° | 50° | — | — |
| 2022 | 41° | 24° | 33° | — | — |
| 2021 | 52° | 32° | 42° | — | — |
| 2020 | 58° | 27° | 42° | — | — |
| 2019 | 51° | 39° | 45° | — | — |
| 2018 | 56° | 37° | 46° | — | — |
| 2017 | 57° | 48° | 53° | 0.05" | — |
| 2016 | 55° | 25° | 40° | — | — |
| 2015 | 59° | 49° | 54° | — | — |
| 2014 | 44° | 38° | 41° | — | — |
| 2013 | 59° | 28° | 44° | — | — |
| 2012 | 46° | 26° | 36° | — | — |
| 2011 | 50° | 35° | 43° | 0.03" | — |
| 2010warmest | 77° | 44° | 61° | — | — |
| 2009 | 60° | 25° | 42° | — | — |
| 2008 | 53° | 35° | 44° | — | — |
| 2007 | 64° | 25° | 44° | — | — |
| 2006 | 54° | 42° | 48° | 5.31" | — |
| 2005 | 38° | 28° | 33° | — | — |
| 2004 | 68° | 33° | 51° | — | — |
| 2003 | 62° | 30° | 46° | — | — |
| 2002 | 56° | 28° | 42° | — | — |
| 2001 | 62° | 33° | 48° | — | — |
| 2000 | 50° | 27° | 38° | — | — |
| 1999 | 40° | 25° | 32° | — | — |
| 1998 | 38° | 32° | 35° | — | — |
| 1997 | 40° | 35° | 37° | 1.45" | — |
| 1996 | 46° | 15° | 31° | — | — |
| 1995 | 32° | 29° | 30° | — | — |
| 1994 | 57° | 37° | 47° | 0.36" | — |
| 1993 | 44° | 25° | 34° | — | — |
| 1992 | 41° | 28° | 35° | — | — |
| 1991 | 41° | 37° | 39° | 3.63" | — |
| 1990 | 49° | 16° | 32° | — | — |
| 1989 | 38° | 12° | 25° | — | — |
| 1988 | 57° | 37° | 47° | — | — |
| 1987 | 47° | 32° | 39° | — | — |
| 1986 | 56° | 33° | 44° | — | — |
| 1985 | 42° | 21° | 32° | — | — |
| 1984 | 58° | 40° | 49° | 2.16" | — |
| 1983coldest | 21° | 4° | 12° | 0.13" | 0.5" |
| 1982 | 64° | 32° | 48° | — | — |
| 1981 | 36° | 26° | 31° | — | — |
| 1980 | 24° | 12° | 18° | — | — |
| 1979 | 59° | 29° | 44° | — | — |
| 1978 | 64° | 29° | 46° | — | — |
| 1977 | 45° | 23° | 34° | — | — |
| 1976 | 37° | 20° | 28° | — | — |
| 1975 | 52° | 28° | 40° | — | — |
| 1974 | 54° | 33° | 43° | — | — |
| 1973 | 34° | 15° | 24° | — | — |
| 1972 | 53° | 35° | 44° | — | — |
| 1971 | 58° | 29° | 43° | — | — |
55 years of data from NORMAN 2NW MESONET