Weather on December 1
Oceanside, CA
55 Years of Data
Avg High
67°F
Avg Low
44°F
Warmest
1976
68°F avg
Coldest
2004
45°F avg
About This Date
December 1st in Oceanside, CA typically brings mild winter weather, with average highs around 67°F and lows near 44°F. Over 54 years of records, the warmest December 1st was in 1976 (68°F average), while the coldest was 2004 (45°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 1st dates historically. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for December 1st in Oceanside, CA? Great weather for outdoor activities.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 43° | 54° | — | — |
| 2024 | 73° | 41° | 57° | — | — |
| 2023 | 67° | 43° | 55° | — | — |
| 2022 | 63° | 50° | 56° | — | — |
| 2021 | 68° | 37° | 53° | — | — |
| 2020 | 72° | 33° | 52° | — | — |
| 2019 | 68° | 44° | 56° | — | — |
| 2018 | 64° | 43° | 53° | 0.03" | — |
| 2017 | 70° | 41° | 55° | — | — |
| 2016 | 65° | 41° | 53° | — | — |
| 2015 | 67° | 36° | 51° | — | — |
| 2014 | 74° | 48° | 61° | — | — |
| 2013 | 77° | 44° | 61° | — | — |
| 2012 | 69° | 57° | 63° | — | — |
| 2011 | 68° | 43° | 55° | — | — |
| 2010 | 66° | 31° | 49° | — | — |
| 2009 | 65° | 35° | 50° | — | — |
| 2008 | 70° | 48° | 59° | 0.03" | — |
| 2007 | 61° | 42° | 51° | 0.2" | — |
| 2006 | 68° | 34° | 51° | — | — |
| 2005 | 63° | 45° | 54° | — | — |
| 2004coldest | 62° | 29° | 45° | — | — |
| 2003 | 66° | 38° | 52° | — | — |
| 2002 | 65° | 42° | 53° | — | — |
| 2001 | 64° | 40° | 52° | — | — |
| 2000 | 60° | 47° | 53° | 0.03" | — |
| 1999 | 64° | 40° | 52° | — | — |
| 1998 | 62° | 46° | 54° | — | — |
| 1997 | 64° | 48° | 56° | — | — |
| 1996 | 60° | 40° | 50° | — | — |
| 1995 | 66° | 46° | 56° | — | — |
| 1994 | 65° | 44° | 54° | — | — |
| 1993 | 73° | 45° | 59° | — | — |
| 1992 | 71° | 43° | 57° | — | — |
| 1991 | 69° | 36° | 52° | — | — |
| 1990 | 64° | 42° | 53° | — | — |
| 1989 | 65° | 42° | 53° | — | — |
| 1988 | 79° | 48° | 63° | — | — |
| 1987 | 63° | 43° | 53° | — | — |
| 1986 | 82° | 35° | 59° | — | — |
| 1985 | 62° | 45° | 53° | — | — |
| 1984 | 65° | 61° | 63° | — | — |
| 1983 | 69° | 55° | 62° | — | — |
| 1982 | 60° | 51° | 56° | — | — |
| 1981 | 66° | 45° | 55° | — | — |
| 1980 | 66° | 54° | 60° | — | — |
| 1979 | 73° | 48° | 61° | — | — |
| 1977 | 76° | 50° | 63° | — | — |
| 1976warmest | 79° | 58° | 68° | — | — |
| 1975 | 67° | 42° | 54° | — | — |
| 1974 | 68° | 45° | 56° | — | — |
| 1973 | 61° | 43° | 52° | 0.2" | — |
| 1972 | 74° | 45° | 59° | — | — |
| 1971 | 66° | 43° | 54° | — | — |
54 years of data from OCEANSIDE MUNI AP