Weather on December 18
Corona, CA
55 Years of Data
Avg High
69°F
Avg Low
42°F
Warmest
2024
74°F avg
Coldest
2016
44°F avg
About This Date
December 18th in Corona, CA typically brings mild winter weather, with average highs around 69°F and lows near 42°F — a 27°F daily swing. Over 44 years of records, the warmest December 18th was in 2024 (74°F average), while the coldest was 2016 (44°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 18th dates historically, with the wettest December 18th recording 1.91" of rain. The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
Planning for December 18th in Corona, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 43° | 61° | — | — |
| 2024warmest | 87° | 61° | 74° | — | — |
| 2023 | 73° | 48° | 61° | — | — |
| 2022 | 65° | 31° | 48° | — | — |
| 2021 | 72° | 32° | 52° | — | — |
| 2020 | 70° | 35° | 52° | — | — |
| 2019 | 66° | 29° | 48° | — | — |
| 2018 | 66° | 48° | 57° | — | — |
| 2017 | 71° | 44° | 58° | — | — |
| 2016coldest | 62° | 26° | 44° | — | — |
| 2015 | 66° | 29° | 48° | — | — |
| 2014 | 63° | 39° | 51° | — | — |
| 2013 | 74° | 44° | 59° | — | — |
| 2012 | 59° | 44° | 52° | 0.13" | — |
| 2011 | 62° | 36° | 49° | — | — |
| 2010 | 60° | 53° | 57° | — | — |
| 2009 | 83° | 51° | 67° | — | — |
| 2008 | 56° | 38° | 47° | — | — |
| 2006 | 56° | 38° | 47° | — | — |
| 2005 | 65° | 47° | 56° | — | — |
| 2004 | 81° | 57° | 69° | — | — |
| 2003 | 81° | 51° | 66° | — | — |
| 2002 | 60° | 39° | 50° | — | — |
| 2001 | 74° | 37° | 55° | — | — |
| 2000 | 72° | 56° | 64° | — | — |
| 1999 | 76° | 40° | 58° | — | — |
| 1998 | 60° | 40° | 50° | — | — |
| 1987 | 67° | 40° | 53° | — | — |
| 1986 | 67° | 41° | 54° | — | — |
| 1985 | 80° | 53° | 67° | — | — |
| 1984 | 54° | 37° | 45° | 1.85" | — |
| 1983 | 65° | 42° | 53° | — | — |
| 1982 | 70° | 33° | 51° | — | — |
| 1981 | 75° | 40° | 57° | — | — |
| 1980 | 70° | 43° | 56° | — | — |
| 1979 | 79° | 35° | 57° | — | — |
| 1978 | 55° | 48° | 52° | 1.91" | — |
| 1977 | 63° | 50° | 56° | 0.84" | — |
| 1976 | 68° | 37° | 53° | — | — |
| 1975 | 73° | 29° | 51° | — | — |
| 1974 | 76° | 50° | 63° | — | — |
| 1973 | 71° | 33° | 52° | — | — |
| 1972 | 78° | 45° | 61° | — | — |
| 1971 | 66° | 41° | 54° | — | — |
44 years of data from CORONA CALIFORNIA