Weather on December 18
Norman, OK
55 Years of Data
Avg High
51°F
Avg Low
30°F
Warmest
1978
53°F avg
Coldest
2016
12°F avg
About This Date
December 18th in Norman, OK typically brings cool winter weather, with average highs around 51°F and lows near 30°F. Over 55 years of records, the warmest December 18th was in 1978 (53°F average), while the coldest was 2016 (12°F) — a 41°F range across recorded history. Precipitation has occurred on 13% of recorded December 18th dates, with snow falling 4% of the time (heaviest snowfall: 3.4"). The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
Planning for December 18th in Norman, OK? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 29° | 44° | — | — |
| 2024 | 51° | 29° | 40° | — | — |
| 2023 | 53° | 35° | 44° | — | — |
| 2022 | 53° | 22° | 37° | — | — |
| 2021 | 46° | 26° | 36° | — | — |
| 2020 | 58° | 41° | 49° | — | — |
| 2019 | 57° | 23° | 40° | — | — |
| 2018 | 59° | 36° | 47° | — | — |
| 2017 | 53° | 39° | 46° | 0.03" | — |
| 2016coldest | 21° | 4° | 12° | — | — |
| 2015 | 48° | 22° | 35° | — | — |
| 2014 | 42° | 37° | 40° | 0.1" | — |
| 2013 | 68° | 33° | 51° | — | — |
| 2012 | 63° | 36° | 49° | — | — |
| 2011 | 60° | 34° | 47° | — | — |
| 2010 | 45° | 29° | 37° | — | — |
| 2009 | 57° | 30° | 44° | — | — |
| 2008 | 38° | 27° | 32° | — | — |
| 2007 | 55° | 28° | 42° | — | — |
| 2006 | 62° | 39° | 51° | — | — |
| 2005 | 38° | 27° | 32° | — | — |
| 2004 | 60° | 35° | 48° | — | — |
| 2003 | 53° | 34° | 43° | — | — |
| 2002 | 64° | 41° | 53° | — | — |
| 2001 | 66° | 37° | 52° | — | — |
| 2000 | 42° | 25° | 33° | — | — |
| 1999 | 48° | 33° | 41° | — | — |
| 1998 | 53° | 45° | 49° | 0.23" | — |
| 1997 | 65° | 33° | 49° | — | — |
| 1996 | 26° | 14° | 20° | — | — |
| 1995 | 43° | 30° | 36° | 2.79" | 3.4" |
| 1994 | 56° | 32° | 44° | — | — |
| 1993 | 47° | 28° | 37° | — | — |
| 1992 | 58° | 30° | 44° | — | — |
| 1991 | 45° | 32° | 38° | 0.15" | — |
| 1990 | 52° | 35° | 43° | — | — |
| 1989 | 29° | 19° | 24° | — | — |
| 1988 | 66° | 31° | 48° | — | — |
| 1987 | 41° | 37° | 39° | 0.38" | — |
| 1986 | 44° | 39° | 42° | — | — |
| 1985 | 38° | 20° | 29° | — | — |
| 1984 | 36° | 28° | 32° | — | — |
| 1983 | 19° | 8° | 14° | 0.13" | 0.5" |
| 1982 | 69° | 37° | 53° | — | — |
| 1981 | 37° | 12° | 25° | — | — |
| 1980 | 61° | 36° | 48° | — | — |
| 1979 | 59° | 25° | 42° | — | — |
| 1978warmest | 67° | 40° | 53° | — | — |
| 1977 | 68° | 31° | 49° | — | — |
| 1976 | 65° | 33° | 49° | — | — |
| 1975 | 39° | 7° | 23° | — | — |
| 1974 | 49° | 38° | 43° | — | — |
| 1973 | 65° | 39° | 52° | — | — |
| 1972 | 46° | 34° | 40° | — | — |
| 1971 | 54° | 27° | 40° | — | — |
55 years of data from NORMAN 2NW MESONET