Weather on December 30
Pomona, CA
55 Years of Data
About This Date
December 30th in Pomona, CA typically brings mild winter weather, with average highs around 64°F and lows near 42°F. Over 52 years of records, the warmest December 30th was in 1980 (68°F average), while the coldest was 2012 (42°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 10% of December 30th dates historically, with the wettest December 30th recording 4.24" of rain. The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
Planning for December 30th in Pomona, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 50° | 59° | — | — |
| 2024 | 64° | 38° | 51° | — | — |
| 2023 | 57° | 45° | 51° | — | — |
| 2022 | 55° | 49° | 52° | — | — |
| 2021 | 51° | 44° | 48° | — | — |
| 2020 | 65° | 41° | 53° | — | — |
| 2019 | 60° | 43° | 51° | — | — |
| 2018 | 61° | 40° | 50° | — | — |
| 2017 | 75° | 51° | 63° | — | — |
| 2016 | 60° | 52° | 56° | — | — |
| 2015 | 60° | 36° | 48° | — | — |
| 2014 | 50° | 37° | 44° | — | — |
| 2013 | 74° | 42° | 58° | — | — |
| 2012coldest | 50° | 34° | 42° | — | — |
| 2011 | 72° | 45° | 58° | — | — |
| 2010 | 53° | 36° | 44° | — | — |
| 2009 | 49° | 42° | 45° | — | — |
| 2008 | 73° | 43° | 58° | — | — |
| 2007 | 61° | 37° | 49° | — | — |
| 2006 | 64° | 37° | 51° | — | — |
| 2005 | 64° | 46° | 55° | — | — |
| 2004 | 59° | 44° | 52° | — | — |
| 2003 | 63° | 44° | 53° | — | — |
| 2002 | 61° | 37° | 49° | — | — |
| 2001 | 54° | 50° | 52° | — | — |
| 2000 | 76° | 47° | 61° | — | — |
| 1999 | 68° | 44° | 56° | — | — |
| 1998 | 79° | 49° | 64° | — | — |
| 1994 | 75° | 43° | 59° | — | — |
| 1993 | 74° | 32° | 53° | — | — |
| 1992 | 59° | 41° | 50° | 4.24" | — |
| 1991 | 65° | 43° | 54° | 2.44" | — |
| 1990 | 63° | 38° | 50° | — | — |
| 1989 | 71° | 35° | 53° | — | — |
| 1988 | 59° | 32° | 46° | — | — |
| 1987 | 54° | 33° | 43° | 0.28" | — |
| 1986 | 78° | 39° | 59° | — | — |
| 1985 | 72° | 54° | 63° | — | — |
| 1984 | 63° | 43° | 53° | — | — |
| 1983 | 76° | 43° | 59° | — | — |
| 1982 | 60° | 30° | 45° | — | — |
| 1981 | 59° | 40° | 49° | 1.22" | — |
| 1980warmest | 85° | 51° | 68° | — | — |
| 1979 | 70° | 41° | 55° | — | — |
| 1978 | 66° | 41° | 54° | — | — |
| 1977 | 64° | 54° | 59° | 0.25" | — |
| 1976 | 63° | 47° | 55° | — | — |
| 1975 | 74° | 40° | 57° | — | — |
| 1974 | 60° | 34° | 47° | — | — |
| 1973 | 65° | 43° | 54° | — | — |
| 1972 | 65° | 35° | 50° | — | — |
| 1971 | 53° | 34° | 43° | — | — |
Pomona, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Pomona, CA Monthly Precipitation
Average rainfall per month, in inches.
Pomona, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Pomona, CA
Pomona, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.