Weather on December 1
Pomona, CA
55 Years of Data
Avg High
69°F
Avg Low
43°F
Warmest
2021
69°F avg
Coldest
2004
47°F avg
About This Date
December 1st in Pomona, CA typically brings mild winter weather, with average highs around 69°F and lows near 43°F — a 26°F daily swing. Over 52 years of records, the warmest December 1st was in 2021 (69°F average), while the coldest was 2004 (47°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 2% of December 1st dates historically. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for December 1st in Pomona, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 42° | 56° | — | — |
| 2024 | 74° | 50° | 62° | — | — |
| 2023 | 63° | 43° | 53° | — | — |
| 2022 | 54° | 45° | 49° | — | — |
| 2021warmest | 82° | 56° | 69° | — | — |
| 2020 | 77° | 47° | 62° | — | — |
| 2019 | 60° | 44° | 52° | — | — |
| 2018 | 58° | 43° | 50° | — | — |
| 2017 | 74° | 51° | 62° | — | — |
| 2016 | 62° | 43° | 52° | — | — |
| 2015 | 69° | 39° | 54° | — | — |
| 2014 | 68° | 51° | 60° | — | — |
| 2013 | 79° | 48° | 63° | — | — |
| 2012 | 63° | 51° | 57° | — | — |
| 2011 | 63° | 48° | 55° | — | — |
| 2010 | 72° | 38° | 55° | — | — |
| 2009 | 71° | 46° | 59° | — | — |
| 2008 | 82° | 50° | 66° | — | — |
| 2007 | 56° | 42° | 49° | — | — |
| 2006 | 62° | 37° | 50° | — | — |
| 2005 | 71° | 43° | 57° | — | — |
| 2004coldest | 62° | 32° | 47° | — | — |
| 2003 | 68° | 42° | 55° | — | — |
| 2002 | 69° | 39° | 54° | — | — |
| 2001 | 61° | 41° | 51° | — | — |
| 2000 | 67° | 46° | 56° | — | — |
| 1999 | 60° | 43° | 51° | — | — |
| 1998 | 59° | 44° | 52° | — | — |
| 1994 | 75° | 43° | 59° | — | — |
| 1993 | 75° | 44° | 60° | — | — |
| 1992 | 66° | 50° | 58° | — | — |
| 1991 | 65° | 31° | 48° | — | — |
| 1990 | 75° | 42° | 59° | — | — |
| 1989 | 76° | 41° | 58° | — | — |
| 1988 | 80° | 42° | 61° | — | — |
| 1987 | 63° | 37° | 50° | — | — |
| 1986 | 81° | 40° | 60° | — | — |
| 1985 | 63° | 42° | 52° | — | — |
| 1984 | 68° | 42° | 55° | — | — |
| 1983 | 67° | 51° | 59° | — | — |
| 1982 | 61° | 39° | 50° | — | — |
| 1981 | 72° | 38° | 55° | — | — |
| 1980 | 67° | 47° | 57° | — | — |
| 1979 | 84° | 42° | 63° | — | — |
| 1978 | 70° | 42° | 56° | 0.13" | — |
| 1977 | 80° | 48° | 64° | — | — |
| 1976 | — | 42° | — | — | — |
| 1975 | 64° | 37° | 51° | — | — |
| 1974 | 69° | 43° | 56° | — | — |
| 1973 | 68° | 40° | 54° | — | — |
| 1972 | 81° | 47° | 64° | — | — |
| 1971 | 62° | 40° | 51° | — | — |
52 years of data from POMONA/FAIRPLEX