Weather on March 12
Rancho Cucamonga, CA
55 Years of Data
Avg High
71°F
Avg Low
47°F
Warmest
2026
75°F avg
Coldest
2006
45°F avg
About This Date
March 12th in Rancho Cucamonga, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 47°F. Over 41 years of records, the warmest March 12th was in 2026 (75°F average), while the coldest was 2006 (45°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 15% of March 12th dates historically, with the wettest March 12th recording 4.04" 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 March 12th in Rancho Cucamonga, CA? Great weather for outdoor activities.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 92° | 58° | 75° | — | — |
| 2025 | 63° | 51° | 57° | 0.1" | — |
| 2024 | 59° | 51° | 55° | — | — |
| 2023 | 67° | 55° | 61° | — | — |
| 2022 | 77° | 43° | 60° | — | — |
| 2021 | 57° | 39° | 48° | — | — |
| 2020 | 63° | 51° | 57° | 4.04" | — |
| 2019 | 71° | 52° | 61° | 0.05" | — |
| 2018 | 77° | 53° | 65° | — | — |
| 2017 | 89° | 52° | 70° | — | — |
| 2016 | 63° | 44° | 53° | — | — |
| 2015 | 85° | 52° | 68° | — | — |
| 2014 | 79° | 55° | 67° | — | — |
| 2013 | 85° | 50° | 67° | — | — |
| 2012 | 68° | 47° | 57° | — | — |
| 2011 | 65° | 47° | 56° | — | — |
| 2010 | 69° | 44° | 57° | — | — |
| 2009 | 64° | 47° | 55° | — | — |
| 2008 | 77° | 51° | 64° | — | — |
| 2007 | 93° | 54° | 73° | — | — |
| 2006coldest | 57° | 33° | 45° | 0.18" | — |
| 2005 | 69° | 54° | 61° | — | — |
| 2004 | 72° | 54° | 63° | — | — |
| 2003 | 77° | 50° | 64° | — | — |
| 2002 | 78° | 52° | 65° | — | — |
| 2001 | 70° | 45° | 57° | — | — |
| 2000 | 77° | 45° | 61° | — | — |
| 1999 | 69° | 36° | 52° | — | — |
| 1983 | 69° | 49° | 59° | — | — |
| 1982 | 68° | 50° | 59° | — | — |
| 1981 | 67° | 52° | 59° | — | — |
| 1980 | 68° | 44° | 56° | — | — |
| 1979 | 78° | 48° | 63° | — | — |
| 1978 | 59° | 39° | 49° | 0.81" | — |
| 1977 | 71° | 39° | 55° | — | — |
| 1976 | 68° | 36° | 52° | — | — |
| 1975 | 55° | 38° | 46° | — | — |
| 1974 | 71° | 40° | 55° | — | — |
| 1973 | 54° | 38° | 46° | 0.3" | — |
| 1972 | 77° | 46° | 62° | — | — |
| 1971 | 57° | 42° | 50° | — | — |
41 years of data from ONTARIO INTL AP