Weather on December 21
Oklahoma City, OK
55 Years of Data
Avg High
51°F
Avg Low
29°F
Warmest
2023
57°F avg
Coldest
2008
19°F avg
About This Date
December 21st in Oklahoma City, OK typically brings cool winter weather, with average highs around 51°F and lows near 29°F. Over 37 years of records, the warmest December 21st was in 2023 (57°F average), while the coldest was 2008 (19°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 5% of December 21st dates historically, with the wettest December 21st recording 1.17" of rain. The last decade has been 6.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.4°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Oklahoma City, OK? 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 | 59° | 30° | 45° | — | — |
| 2024 | 50° | 27° | 39° | — | — |
| 2023warmest | 62° | 52° | 57° | — | — |
| 2022 | 43° | 22° | 33° | — | — |
| 2021 | 64° | 27° | 46° | — | — |
| 2020 | 67° | 36° | 51° | — | — |
| 2019 | 45° | 33° | 39° | — | — |
| 2018 | 57° | 26° | 42° | — | — |
| 2017 | 66° | 35° | 51° | — | — |
| 2016 | 58° | 25° | 42° | — | — |
| 2015 | 57° | 33° | 45° | — | — |
| 2014 | 48° | 42° | 45° | 0.03" | — |
| 2013 | 31° | 27° | 29° | 1.17" | — |
| 2012 | 63° | 23° | 43° | — | — |
| 2011 | 54° | 28° | 41° | — | — |
| 2010 | 52° | 36° | 44° | — | — |
| 2009 | 64° | 28° | 46° | — | — |
| 2008coldest | 28° | 9° | 19° | — | — |
| 2007 | 67° | 40° | 53° | — | — |
| 2006 | 48° | 33° | 41° | — | — |
| 2005 | 50° | 19° | 35° | — | — |
| 2004 | 51° | 32° | 42° | — | — |
| 2003 | 65° | 43° | 54° | — | — |
| 2002 | 59° | 33° | 46° | — | — |
| 2001 | 62° | 38° | 50° | — | — |
| 2000 | 34° | 21° | 27° | — | — |
| 1999 | 42° | 21° | 32° | — | — |
| 1998 | 31° | 11° | 21° | — | — |
| 1997 | 39° | 34° | 36° | — | — |
| 1978 | 47° | 30° | 38° | — | — |
| 1977 | 42° | 27° | 34° | — | — |
| 1976 | 35° | 13° | 24° | — | — |
| 1975 | 48° | 24° | 36° | — | — |
| 1974 | 57° | 32° | 45° | — | — |
| 1973 | 50° | 25° | 37° | — | — |
| 1972 | 46° | 36° | 41° | — | — |
| 1971 | 48° | 27° | 37° | — | — |
37 years of data from OKLAHOMA CITY PENN AVE