Weather on December 21
Newport Beach, CA
55 Years of Data
About This Date
December 21st in Newport Beach, CA typically brings mild winter weather, with average highs around 64°F and lows near 49°F. Over 55 years of records, the warmest December 21st was in 1999 (65°F average), while the coldest was 1978 (48°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 18% of December 21st dates historically, with the wettest December 21st recording 3.56" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 21st in Newport Beach, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 56° | 60° | — | — |
| 2024 | 61° | 45° | 53° | — | — |
| 2023 | 65° | 61° | 63° | 0.05" | — |
| 2022 | 62° | 50° | 56° | — | — |
| 2021 | 62° | 53° | 58° | — | — |
| 2020 | 68° | 51° | 60° | — | — |
| 2019 | 67° | 50° | 58° | — | — |
| 2018 | 65° | 56° | 60° | — | — |
| 2017 | 64° | 45° | 54° | — | — |
| 2016 | 69° | 58° | 63° | 0.33" | — |
| 2015 | 61° | 48° | 54° | — | — |
| 2014 | 65° | 54° | 59° | — | — |
| 2013 | 59° | 48° | 54° | — | — |
| 2012 | 62° | 39° | 51° | — | — |
| 2011 | 61° | 46° | 53° | — | — |
| 2010 | 59° | 54° | 56° | 3.56" | — |
| 2009 | 65° | 51° | 58° | — | — |
| 2008 | 63° | 42° | 52° | — | — |
| 2007 | 62° | 47° | 54° | 0.13" | — |
| 2006 | 59° | 43° | 51° | — | — |
| 2005 | 66° | 55° | 61° | — | — |
| 2004 | 63° | 56° | 59° | — | — |
| 2003 | 65° | 54° | 59° | — | — |
| 2002 | 60° | 54° | 57° | 0.1" | — |
| 2001 | 58° | 52° | 55° | 0.38" | — |
| 2000 | 70° | 54° | 62° | — | — |
| 1999warmest | 82° | 48° | 65° | — | — |
| 1998 | 71° | 42° | 57° | — | — |
| 1997 | 63° | 52° | 57° | 0.05" | — |
| 1996 | 60° | 52° | 56° | — | — |
| 1995 | 61° | 45° | 53° | — | — |
| 1994 | 62° | 46° | 54° | — | — |
| 1993 | 70° | 47° | 58° | — | — |
| 1992 | 58° | 42° | 50° | — | — |
| 1991 | 71° | 49° | 60° | — | — |
| 1990 | 53° | 42° | 48° | — | — |
| 1989 | 61° | 47° | 54° | — | — |
| 1988 | 61° | 49° | 55° | 1.4" | — |
| 1987 | 62° | 44° | 53° | — | — |
| 1986 | 69° | 48° | 59° | — | — |
| 1985 | 71° | 48° | 60° | — | — |
| 1984 | 58° | 41° | 49° | — | — |
| 1983 | 63° | 51° | 57° | — | — |
| 1982 | 62° | 53° | 58° | — | — |
| 1981 | 63° | 58° | 60° | 0.13" | — |
| 1980 | 61° | 50° | 55° | — | — |
| 1979 | 63° | 53° | 58° | 0.2" | — |
| 1978coldest | 58° | 38° | 48° | — | — |
| 1977 | 68° | 53° | 61° | — | — |
| 1976 | 68° | 46° | 57° | — | — |
| 1975 | 59° | 45° | 52° | — | — |
| 1974 | 61° | 48° | 54° | — | — |
| 1973 | 65° | 46° | 55° | — | — |
| 1972 | 71° | 47° | 59° | — | — |
| 1971 | 59° | 43° | 51° | — | — |
Newport Beach, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Newport Beach, CA Monthly Precipitation
Average rainfall per month, in inches.
Newport Beach, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Newport Beach, CA
Most pleasant months in Newport Beach, CA: June, July.