Weather on December 20
Newport Beach, CA
55 Years of Data
Avg High
64°F
Avg Low
48°F
Warmest
1999
72°F avg
Coldest
1971
46°F avg
About This Date
December 20th in Newport Beach, CA typically brings mild winter weather, with average highs around 64°F and lows near 48°F. Over 55 years of records, the warmest December 20th was in 1999 (72°F average), while the coldest was 1971 (46°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 15% of December 20th dates historically, with the wettest December 20th recording 3.43" of rain. The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for December 20th in Newport Beach, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 56° | 59° | — | — |
| 2024 | 60° | 50° | 55° | — | — |
| 2023 | 63° | 60° | 61° | 0.15" | — |
| 2022 | 62° | 46° | 54° | — | — |
| 2021 | 62° | 45° | 53° | — | — |
| 2020 | 68° | 47° | 57° | — | — |
| 2019 | 67° | 48° | 57° | — | — |
| 2018 | 66° | 50° | 58° | — | — |
| 2017 | 64° | 50° | 57° | — | — |
| 2016 | 69° | 46° | 58° | — | — |
| 2015 | 62° | 49° | 55° | 0.25" | — |
| 2014 | 63° | 53° | 58° | — | — |
| 2013 | 57° | 47° | 52° | — | — |
| 2012 | 62° | 39° | 51° | — | — |
| 2011 | 61° | 48° | 54° | — | — |
| 2010 | 60° | 56° | 58° | 1.37" | — |
| 2009 | 72° | 50° | 61° | — | — |
| 2008 | 58° | 44° | 51° | — | — |
| 2007 | 59° | 53° | 56° | — | — |
| 2006 | 59° | 43° | 51° | — | — |
| 2005 | 68° | 52° | 60° | — | — |
| 2004 | 76° | 53° | 64° | — | — |
| 2003 | 61° | 52° | 56° | — | — |
| 2002 | 60° | 56° | 58° | 3.43" | — |
| 2001 | 58° | 53° | 55° | — | — |
| 2000 | 76° | 51° | 63° | — | — |
| 1999warmest | 82° | 62° | 72° | — | — |
| 1998 | 63° | 50° | 56° | — | — |
| 1997 | 67° | 47° | 57° | — | — |
| 1996 | 60° | 45° | 52° | — | — |
| 1995 | 64° | 45° | 54° | — | — |
| 1994 | 72° | 46° | 59° | — | — |
| 1993 | 71° | 47° | 59° | — | — |
| 1992 | 60° | 38° | 49° | — | — |
| 1991 | 72° | 52° | 62° | — | — |
| 1990 | 53° | 47° | 50° | 0.15" | — |
| 1989 | 61° | 45° | 53° | — | — |
| 1988 | 57° | 46° | 52° | — | — |
| 1987 | 60° | 46° | 53° | — | — |
| 1986 | 63° | 54° | 58° | 0.15" | — |
| 1985 | 73° | 48° | 61° | — | — |
| 1984 | 58° | 45° | 51° | 0.41" | — |
| 1983 | 63° | 53° | 58° | — | — |
| 1982 | 65° | 46° | 55° | — | — |
| 1981 | 64° | 53° | 59° | — | — |
| 1980 | 76° | 42° | 59° | — | — |
| 1979 | 65° | 47° | 56° | — | — |
| 1978 | 63° | 38° | 50° | — | — |
| 1977 | 68° | 45° | 56° | — | — |
| 1976 | 65° | 52° | 58° | — | — |
| 1975 | 59° | 41° | 50° | 0.2" | — |
| 1974 | 63° | 47° | 55° | — | — |
| 1973 | 67° | 42° | 54° | — | — |
| 1972 | 67° | 51° | 59° | — | — |
| 1971coldest | 57° | 35° | 46° | — | — |
55 years of data from NEWPORT BEACH HARBOR