Weather on December 1
West Covina, CA
55 Years of Data
Avg High
73°F
Avg Low
47°F
Warmest
2013
72°F avg
Coldest
1991
50°F avg
About This Date
December 1st in West Covina, CA typically brings pleasant winter weather, with average highs around 73°F and lows near 47°F — a 26°F daily swing. Over 54 years of records, the warmest December 1st was in 2013 (72°F average), while the coldest was 1991 (50°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 6% of December 1st dates historically, with the wettest December 1st recording 0.79" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for December 1st in West Covina, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 48° | 61° | — | — |
| 2024 | 78° | 55° | 67° | — | — |
| 2023 | 67° | 51° | 59° | — | — |
| 2022 | 60° | 53° | 57° | — | — |
| 2021 | 83° | 49° | 66° | — | — |
| 2020 | 81° | 60° | 70° | — | — |
| 2019 | 63° | 50° | 56° | — | — |
| 2018 | 66° | 50° | 58° | — | — |
| 2017 | 78° | 51° | 65° | — | — |
| 2015 | 74° | 48° | 61° | — | — |
| 2014 | 73° | 57° | 65° | — | — |
| 2013warmest | 84° | 59° | 72° | — | — |
| 2012 | 70° | 57° | 63° | — | — |
| 2011 | 68° | 45° | 56° | — | — |
| 2010 | 78° | 45° | 61° | — | — |
| 2009 | 75° | 52° | 63° | — | — |
| 2008 | 84° | 54° | 69° | — | — |
| 2007 | 61° | 46° | 53° | — | — |
| 2006 | 78° | 49° | 63° | — | — |
| 2005 | 72° | 47° | 59° | — | — |
| 2004 | 66° | 42° | 54° | — | — |
| 2003 | 71° | 48° | 60° | — | — |
| 2002 | 70° | 65° | 67° | — | — |
| 2001 | 69° | 46° | 58° | — | — |
| 2000 | 65° | 49° | 57° | — | — |
| 1999 | 67° | 49° | 58° | — | — |
| 1998 | 66° | 49° | 57° | — | — |
| 1997 | 70° | 46° | 58° | — | — |
| 1996 | 68° | 44° | 56° | — | — |
| 1995 | 79° | 51° | 65° | — | — |
| 1994 | 74° | 52° | 63° | — | — |
| 1993 | 72° | 49° | 60° | — | — |
| 1992 | 79° | 37° | 58° | — | — |
| 1991coldest | 65° | 35° | 50° | — | — |
| 1990 | 77° | 39° | 58° | — | — |
| 1989 | 81° | 38° | 59° | — | — |
| 1988 | 83° | 44° | 63° | — | — |
| 1987 | 68° | 41° | 55° | — | — |
| 1986 | 82° | 39° | 61° | — | — |
| 1985 | 64° | 44° | 54° | — | — |
| 1984 | 70° | 44° | 57° | — | — |
| 1983 | 72° | 50° | 61° | 0.08" | — |
| 1982 | 64° | 45° | 54° | — | — |
| 1981 | 75° | 40° | 57° | — | — |
| 1980 | 70° | 52° | 61° | — | — |
| 1979 | 85° | 45° | 65° | — | — |
| 1978 | 70° | 45° | 57° | 0.15" | — |
| 1977 | 82° | 47° | 64° | — | — |
| 1976 | 85° | 40° | 62° | — | — |
| 1975 | 78° | 40° | 59° | — | — |
| 1974 | 70° | 46° | 58° | — | — |
| 1973 | 63° | 45° | 54° | 0.79" | — |
| 1972 | 85° | 41° | 63° | — | — |
| 1971 | 71° | 39° | 55° | — | — |
54 years of data from SANTA FE DAM CALIFORNIA