Weather on December 28
Fullerton, CA
55 Years of Data
About This Date
December 28th in Fullerton, CA typically brings mild winter weather, with average highs around 68°F and lows near 46°F. Over 55 years of records, the warmest December 28th was in 1999 (67°F average), while the coldest was 1971 (45°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 22% of December 28th dates historically, with the wettest December 28th recording 1.26" 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 28th in Fullerton, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 45° | 57° | — | — |
| 2024 | 64° | 49° | 56° | — | — |
| 2023 | 70° | 56° | 63° | — | — |
| 2022 | 64° | 54° | 59° | 0.42" | — |
| 2021 | 56° | 49° | 52° | 0.03" | — |
| 2020 | 62° | 47° | 54° | 1.2" | — |
| 2019 | 64° | 42° | 53° | — | — |
| 2018 | 63° | 48° | 55° | — | — |
| 2017 | 84° | 47° | 65° | — | — |
| 2016 | 81° | 54° | 67° | — | — |
| 2015 | 62° | 38° | 50° | 0.02" | — |
| 2014 | 65° | 42° | 53° | — | — |
| 2013 | 79° | 52° | 65° | — | — |
| 2012 | 67° | 40° | 53° | — | — |
| 2011 | 79° | 44° | 61° | — | — |
| 2010 | 68° | 45° | 56° | — | — |
| 2009 | 74° | 54° | 64° | — | — |
| 2008 | 71° | 40° | 55° | — | — |
| 2007 | 59° | 40° | 49° | — | — |
| 2006 | 68° | 40° | 54° | — | — |
| 2005 | 66° | 48° | 57° | — | — |
| 2004 | 61° | 54° | 57° | 0.76" | — |
| 2003 | 67° | 37° | 52° | — | — |
| 2002 | 70° | 46° | 58° | — | — |
| 2001 | 73° | 41° | 57° | — | — |
| 2000 | 74° | 48° | 61° | — | — |
| 1999warmest | 81° | 53° | 67° | — | — |
| 1998 | 76° | 45° | 60° | — | — |
| 1997 | 79° | 41° | 60° | — | — |
| 1996 | 67° | 54° | 60° | 0.62" | — |
| 1995 | 70° | 43° | 56° | — | — |
| 1994 | 65° | 52° | 58° | — | — |
| 1993 | 75° | 46° | 61° | — | — |
| 1992 | 60° | 49° | 54° | 0.64" | — |
| 1991 | 66° | 49° | 57° | 0.58" | — |
| 1990 | 64° | 48° | 56° | — | — |
| 1989 | 64° | 55° | 60° | — | — |
| 1988 | 57° | 38° | 47° | — | — |
| 1987 | 62° | 35° | 49° | — | — |
| 1986 | 73° | 43° | 58° | — | — |
| 1985 | 71° | 46° | 59° | — | — |
| 1984 | 65° | 47° | 56° | 0.75" | — |
| 1983 | 69° | 49° | 59° | — | — |
| 1982 | 69° | 49° | 59° | — | — |
| 1981 | 67° | 41° | 54° | — | — |
| 1980 | 74° | 48° | 61° | — | — |
| 1979 | 70° | 38° | 54° | — | — |
| 1978 | 60° | 34° | 47° | — | — |
| 1977 | 64° | 60° | 62° | 0.3" | — |
| 1976 | 75° | 39° | 57° | — | — |
| 1975 | 83° | 41° | 62° | — | — |
| 1974 | 55° | 39° | 47° | 1.26" | — |
| 1973 | 58° | 40° | 49° | — | — |
| 1972 | 66° | 42° | 54° | — | — |
| 1971coldest | 50° | 39° | 45° | 0.33" | — |
Fullerton, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Fullerton, CA Monthly Precipitation
Average rainfall per month, in inches.
Fullerton, 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 Fullerton, CA
Most pleasant months in Fullerton, CA: January, February, March, April, May, June, October, November, December.
What to expect on December 28th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
December 28th outlook →