Weather on December 15
Norwalk, CA
55 Years of Data
Avg High
69°F
Avg Low
44°F
Warmest
1991
64°F avg
Coldest
1987
47°F avg
About This Date
December 15th in Norwalk, CA typically brings mild winter weather, with average highs around 69°F and lows near 44°F — a 25°F daily swing. Over 55 years of records, the warmest December 15th was in 1991 (64°F average), while the coldest was 1987 (47°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 15th dates historically, with the wettest December 15th recording 4.04" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for December 15th in Norwalk, CA? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 51° | 59° | — | — |
| 2024 | 68° | 46° | 57° | — | — |
| 2023 | 83° | 45° | 64° | — | — |
| 2022 | 65° | 42° | 53° | — | — |
| 2021 | 59° | — | — | — | — |
| 2020 | 73° | 43° | 58° | — | — |
| 2019 | 67° | 46° | 56° | — | — |
| 2018 | 75° | 44° | 60° | — | — |
| 2017 | 83° | 45° | 64° | — | — |
| 2016 | 66° | 53° | 60° | 0.99" | — |
| 2015 | 63° | 37° | 50° | — | — |
| 2014 | 66° | 46° | 56° | — | — |
| 2013 | 83° | 43° | 63° | — | — |
| 2012 | 65° | 48° | 56° | 0.03" | — |
| 2011 | 61° | 43° | 52° | 0.08" | — |
| 2010 | 60° | 55° | 58° | 0.03" | — |
| 2009 | 72° | 42° | 57° | — | — |
| 2008 | 56° | 48° | 52° | 4.04" | — |
| 2007 | 69° | 41° | 55° | — | — |
| 2006 | 63° | 46° | 54° | — | — |
| 2005 | 65° | 47° | 56° | — | — |
| 2004 | 76° | 45° | 60° | — | — |
| 2003 | 68° | 41° | 55° | — | — |
| 2002 | 65° | 55° | 60° | — | — |
| 2001 | 61° | 37° | 49° | — | — |
| 2000 | 63° | 46° | 54° | — | — |
| 1999 | 73° | 44° | 59° | — | — |
| 1998 | 82° | 43° | 62° | — | — |
| 1997 | 68° | 52° | 60° | — | — |
| 1996 | 71° | 43° | 57° | — | — |
| 1995 | 70° | 49° | 59° | — | — |
| 1994 | 67° | 46° | 56° | — | — |
| 1993 | 62° | 40° | 51° | — | — |
| 1992 | 62° | 40° | 51° | — | — |
| 1991warmest | 78° | 50° | 64° | — | — |
| 1990 | 63° | 42° | 52° | — | — |
| 1989 | 66° | 46° | 56° | — | — |
| 1988 | 60° | 53° | 57° | 1.6" | — |
| 1987coldest | 56° | 38° | 47° | — | — |
| 1986 | 67° | 46° | 56° | — | — |
| 1985 | 70° | 43° | 56° | — | — |
| 1984 | 59° | 40° | 49° | 0.46" | — |
| 1983 | 67° | 44° | 55° | — | — |
| 1982 | 69° | 42° | 56° | — | — |
| 1981 | 72° | 46° | 59° | — | — |
| 1980 | 84° | 42° | 63° | — | — |
| 1979 | 76° | 40° | 58° | — | — |
| 1978 | 64° | 41° | 53° | — | — |
| 1977 | 66° | 52° | 59° | — | — |
| 1976 | 83° | 43° | 63° | — | — |
| 1975 | 75° | 37° | 56° | — | — |
| 1974 | 74° | 42° | 58° | — | — |
| 1973 | 77° | 43° | 60° | — | — |
| 1972 | 65° | 36° | 50° | — | — |
| 1971 | 64° | 42° | 53° | — | — |
55 years of data from FULLERTON MUNI AP