Weather on December 20
Corona, CA
55 Years of Data
Avg High
69°F
Avg Low
40°F
Warmest
1999
70°F avg
Coldest
1971
46°F avg
About This Date
December 20th in Corona, CA typically brings mild winter weather, with average highs around 69°F and lows near 40°F — a 29°F daily swing. Over 45 years of records, the warmest December 20th was in 1999 (70°F average), while the coldest was 1971 (46°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 7% of December 20th dates historically, with the wettest December 20th recording 1.07" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for December 20th in Corona, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 46° | 58° | — | — |
| 2024 | 76° | 35° | 55° | — | — |
| 2023 | 66° | 50° | 58° | — | — |
| 2022 | 68° | 33° | 51° | — | — |
| 2021 | 69° | 28° | 49° | — | — |
| 2020 | 86° | 31° | 59° | — | — |
| 2019 | 77° | 35° | 56° | — | — |
| 2018 | 80° | 46° | 63° | — | — |
| 2017 | 63° | 40° | 51° | — | — |
| 2016 | 76° | 40° | 58° | — | — |
| 2015 | 60° | 43° | 51° | — | — |
| 2014 | 59° | 40° | 49° | — | — |
| 2013 | 62° | 33° | 48° | — | — |
| 2012 | 65° | 42° | 53° | — | — |
| 2011 | 67° | 32° | 49° | — | — |
| 2010 | 61° | 53° | 57° | — | — |
| 2009 | 72° | 51° | 61° | — | — |
| 2008 | 61° | 35° | 48° | — | — |
| 2007 | 59° | 48° | 54° | — | — |
| 2006 | 60° | 35° | 48° | — | — |
| 2005 | 78° | 53° | 66° | — | — |
| 2004 | 77° | 44° | 61° | — | — |
| 2003 | 66° | 48° | 57° | — | — |
| 2002 | 60° | 43° | 51° | — | — |
| 2001 | 60° | 42° | 51° | — | — |
| 2000 | 74° | 35° | 54° | — | — |
| 1999warmest | 79° | 61° | 70° | — | — |
| 1998 | 57° | 39° | 48° | 0.03" | — |
| 1987 | 66° | 37° | 52° | — | — |
| 1986 | 65° | 48° | 56° | — | — |
| 1985 | 82° | 40° | 61° | — | — |
| 1984 | 59° | 40° | 49° | 1.07" | — |
| 1983 | 64° | 45° | 54° | — | — |
| 1982 | 72° | 33° | 52° | — | — |
| 1981 | 68° | 39° | 54° | — | — |
| 1980 | 80° | 35° | 58° | — | — |
| 1979 | 67° | 34° | 50° | — | — |
| 1978 | 60° | 33° | 47° | — | — |
| 1977 | 66° | 45° | 55° | — | — |
| 1976 | 72° | 38° | 55° | — | — |
| 1975 | 66° | 32° | 49° | 0.66" | — |
| 1974 | 72° | 36° | 54° | — | — |
| 1973 | 75° | 36° | 55° | — | — |
| 1972 | 79° | — | — | — | — |
| 1971coldest | 63° | 30° | 46° | — | — |
45 years of data from CORONA CALIFORNIA