Weather on December 28
Rancho Cucamonga, CA
55 Years of Data
Avg High
64°F
Avg Low
42°F
Warmest
2017
65°F avg
Coldest
1971
39°F avg
About This Date
December 28th in Rancho Cucamonga, CA typically brings mild winter weather, with average highs around 64°F and lows near 42°F. Over 41 years of records, the warmest December 28th was in 2017 (65°F average), while the coldest was 1971 (39°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 29% of December 28th dates historically, with the wettest December 28th recording 8.1" 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 28th in Rancho Cucamonga, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 41° | 54° | — | — |
| 2024 | 66° | 46° | 56° | — | — |
| 2023 | 68° | 50° | 59° | — | — |
| 2022 | 62° | 51° | 57° | 0.23" | — |
| 2021 | 49° | 42° | 45° | 0.13" | — |
| 2020 | 52° | 42° | 47° | 4.57" | — |
| 2019 | 59° | 37° | 48° | — | — |
| 2018 | 57° | 44° | 51° | — | — |
| 2017warmest | 84° | 46° | 65° | — | — |
| 2016 | 78° | 39° | 59° | — | — |
| 2015 | 53° | 31° | 42° | 0.03" | — |
| 2014 | 60° | 37° | 49° | — | — |
| 2013 | 75° | 50° | 63° | — | — |
| 2012 | 61° | 35° | 48° | — | — |
| 2011 | 78° | 41° | 60° | — | — |
| 2010 | 66° | 40° | 53° | — | — |
| 2009 | 67° | 42° | 54° | — | — |
| 2008 | 65° | 35° | 50° | — | — |
| 2007 | 55° | 39° | 47° | — | — |
| 2006 | 65° | 37° | 51° | — | — |
| 2005 | 62° | 46° | 54° | — | — |
| 2004 | 56° | 51° | 53° | 2.87" | — |
| 2003 | 60° | 31° | 45° | — | — |
| 2002 | 65° | 42° | 53° | 0.1" | — |
| 2001 | 63° | 42° | 52° | — | — |
| 2000 | 76° | 39° | 57° | — | — |
| 1999 | 75° | 43° | 59° | — | — |
| 1998 | 77° | 40° | 58° | — | — |
| 1983 | 61° | 52° | 56° | 0.1" | — |
| 1982 | 66° | 37° | 52° | — | — |
| 1981 | 61° | 34° | 47° | — | — |
| 1980 | 74° | 47° | 60° | — | — |
| 1979 | 63° | 36° | 49° | — | — |
| 1978 | 58° | 39° | 48° | — | — |
| 1977 | 59° | 53° | 56° | 8.1" | — |
| 1976 | 70° | 40° | 55° | — | — |
| 1975 | 75° | 46° | 61° | — | — |
| 1974 | 49° | 38° | 43° | 1.4" | — |
| 1973 | 55° | 46° | 51° | 0.05" | — |
| 1972 | 67° | 46° | 56° | 0.18" | — |
| 1971coldest | 44° | 34° | 39° | 1.14" | — |
41 years of data from ONTARIO INTL AP