Weather on December 26
Rancho Cucamonga, CA
55 Years of Data
Avg High
64°F
Avg Low
42°F
Warmest
1980
65°F avg
Coldest
2008
42°F avg
About This Date
December 26th in Rancho Cucamonga, CA typically brings mild winter weather, with average highs around 64°F and lows near 42°F. Over 40 years of records, the warmest December 26th was in 1980 (65°F average), while the coldest was 2008 (42°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 20% of December 26th dates historically, with the wettest December 26th recording 4.19" 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 26th in Rancho Cucamonga, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 58° | 52° | 55° | 1.07" | — |
| 2024 | 66° | 46° | 56° | — | — |
| 2023 | 67° | 48° | 57° | — | — |
| 2022 | 79° | 48° | 63° | — | — |
| 2021 | 55° | 43° | 49° | 0.41" | — |
| 2020 | 69° | 41° | 55° | — | — |
| 2019 | 50° | 41° | 46° | 4.19" | — |
| 2018 | 64° | 40° | 52° | — | — |
| 2017 | 70° | 41° | 55° | — | — |
| 2016 | 60° | 35° | 48° | — | — |
| 2015 | 58° | 42° | 50° | — | — |
| 2014 | 60° | 39° | 50° | — | — |
| 2013 | 82° | 42° | 62° | — | — |
| 2012 | 58° | 41° | 49° | 0.61" | — |
| 2011 | 71° | 37° | 54° | — | — |
| 2010 | 58° | 47° | 52° | 0.33" | — |
| 2009 | 59° | 36° | 47° | — | — |
| 2008coldest | 52° | 32° | 42° | — | — |
| 2007 | 59° | 37° | 48° | — | — |
| 2006 | 71° | 45° | 58° | — | — |
| 2005 | 61° | 53° | 57° | 0.03" | — |
| 2004 | 57° | 41° | 49° | — | — |
| 2003 | 55° | 38° | 46° | — | — |
| 2002 | 62° | 41° | 52° | — | — |
| 2001 | 69° | 37° | 53° | — | — |
| 2000 | 73° | 46° | 60° | — | — |
| 1999 | 73° | 42° | 58° | — | — |
| 1998 | 71° | 38° | 54° | — | — |
| 1983 | 58° | 53° | 55° | — | — |
| 1981 | 63° | 35° | 49° | — | — |
| 1980warmest | 83° | 48° | 65° | — | — |
| 1979 | 57° | 43° | 50° | — | — |
| 1978 | 68° | 39° | 54° | — | — |
| 1977 | 60° | 52° | 56° | 3.15" | — |
| 1976 | 73° | 42° | 58° | — | — |
| 1975 | 72° | 42° | 57° | — | — |
| 1974 | 56° | 31° | 43° | — | — |
| 1973 | 64° | 37° | 51° | — | — |
| 1972 | 73° | 44° | 59° | — | — |
| 1971 | 51° | 39° | 45° | 0.05" | — |
40 years of data from ONTARIO INTL AP