Weather on December 4
Pomona, CA
55 Years of Data
Avg High
70°F
Avg Low
45°F
Warmest
1979
75°F avg
Coldest
1971
46°F avg
About This Date
December 4th in Pomona, CA typically brings pleasant winter weather, with average highs around 70°F and lows near 45°F — a 25°F daily swing. Over 52 years of records, the warmest December 4th was in 1979 (75°F average), while the coldest was 1971 (46°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 8% of December 4th dates historically, with the wettest December 4th recording 7.62" 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 4th in Pomona, CA? Great weather for outdoor activities.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 44° | 55° | — | — |
| 2024 | 66° | 43° | 54° | — | — |
| 2023 | 76° | 49° | 62° | — | — |
| 2022 | 61° | 47° | 54° | — | — |
| 2021 | 63° | 43° | 53° | — | — |
| 2020 | 72° | 43° | 57° | — | — |
| 2019 | 58° | 50° | 54° | — | — |
| 2018 | 67° | 43° | 55° | — | — |
| 2017 | 66° | 43° | 54° | — | — |
| 2016 | 72° | 47° | 59° | — | — |
| 2015 | 63° | 44° | 53° | — | — |
| 2014 | 68° | 50° | 59° | — | — |
| 2013 | 60° | 39° | 50° | — | — |
| 2012 | 73° | 48° | 61° | — | — |
| 2011 | 61° | 37° | 49° | — | — |
| 2010 | 62° | 46° | 54° | — | — |
| 2009 | 69° | 41° | 55° | — | — |
| 2008 | 66° | 50° | 58° | — | — |
| 2007 | 79° | 44° | 61° | — | — |
| 2006 | 81° | 43° | 62° | — | — |
| 2005 | 68° | 39° | 54° | — | — |
| 2004 | 66° | 34° | 50° | 7.62" | — |
| 2003 | 76° | 43° | 59° | — | — |
| 2002 | 71° | 44° | 58° | — | — |
| 2001 | 60° | 46° | 53° | — | — |
| 2000 | 77° | 50° | 64° | — | — |
| 1999 | 67° | 42° | 54° | — | — |
| 1998 | 56° | 40° | 48° | — | — |
| 1994 | 65° | 41° | 53° | — | — |
| 1993 | 79° | 47° | 63° | — | — |
| 1992 | 70° | 53° | 61° | — | — |
| 1991 | 77° | 47° | 62° | — | — |
| 1990 | 80° | 49° | 64° | — | — |
| 1989 | 78° | 41° | 60° | — | — |
| 1988 | 86° | 36° | 61° | — | — |
| 1987 | 71° | 46° | 59° | — | — |
| 1986 | 67° | 46° | 56° | — | — |
| 1985 | 77° | 49° | 63° | — | — |
| 1984 | 62° | 38° | 50° | 0.13" | — |
| 1983 | 62° | 49° | 55° | — | — |
| 1982 | 74° | 44° | 59° | — | — |
| 1981 | 79° | 48° | 63° | — | — |
| 1980 | 61° | 49° | 55° | 1.96" | — |
| 1979warmest | 93° | 57° | 75° | — | — |
| 1978 | 68° | 39° | 54° | — | — |
| 1977 | 80° | 48° | 64° | — | — |
| 1976 | 83° | 42° | 62° | — | — |
| 1975 | 72° | 43° | 57° | — | — |
| 1974 | 62° | 46° | 54° | 6.02" | — |
| 1973 | 67° | 41° | 54° | — | — |
| 1972 | 59° | 50° | 55° | — | — |
| 1971coldest | 55° | 37° | 46° | — | — |
52 years of data from POMONA/FAIRPLEX