Weather on November 30
Ontario, CA
55 Years of Data
Avg High
69°F
Avg Low
44°F
Warmest
2021
68°F avg
Coldest
1975
44°F avg
About This Date
November 30th in Ontario, CA typically brings mild fall weather, with average highs around 69°F and lows near 44°F — a 25°F daily swing. Over 40 years of records, the warmest November 30th was in 2021 (68°F average), while the coldest was 1975 (44°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 10% of November 30th dates historically, with the wettest November 30th recording 4.09" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for November 30th in Ontario, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 47° | 55° | — | — |
| 2024 | 79° | 47° | 63° | — | — |
| 2023 | 62° | 52° | 57° | 0.13" | — |
| 2022 | 70° | 43° | 56° | — | — |
| 2021warmest | 88° | 49° | 68° | — | — |
| 2020 | 79° | 45° | 62° | — | — |
| 2019 | 58° | 41° | 49° | — | — |
| 2018 | 63° | 50° | 56° | — | — |
| 2017 | 78° | 49° | 63° | — | — |
| 2016 | 65° | 35° | 50° | — | — |
| 2015 | 68° | 36° | 52° | — | — |
| 2014 | 65° | 51° | 58° | 0.84" | — |
| 2013 | 74° | 49° | 61° | — | — |
| 2012 | 65° | 58° | 61° | 0.53" | — |
| 2011 | 73° | 46° | 60° | — | — |
| 2010 | 65° | 32° | 48° | — | — |
| 2009 | 76° | 50° | 63° | — | — |
| 2008 | 82° | 50° | 66° | — | — |
| 2007 | 62° | 51° | 57° | 4.09" | — |
| 2006 | 64° | 38° | 51° | — | — |
| 2005 | 68° | 41° | 55° | — | — |
| 2004 | 58° | 32° | 45° | — | — |
| 2003 | 74° | 44° | 59° | — | — |
| 2002 | 64° | 50° | 57° | — | — |
| 2001 | 60° | 44° | 52° | — | — |
| 2000 | 69° | 44° | 57° | — | — |
| 1999 | 74° | 46° | 60° | — | — |
| 1998 | 68° | 43° | 55° | — | — |
| 1983 | 62° | 40° | 51° | — | — |
| 1981 | 62° | 36° | 49° | — | — |
| 1980 | 73° | 42° | 58° | — | — |
| 1979 | 79° | 44° | 61° | — | — |
| 1978 | 71° | 43° | 57° | — | — |
| 1977 | 78° | 51° | 65° | — | — |
| 1976 | 73° | 40° | 56° | — | — |
| 1975coldest | 58° | 31° | 44° | — | — |
| 1974 | 65° | 39° | 52° | — | — |
| 1973 | 66° | 43° | 54° | — | — |
| 1972 | 75° | 41° | 58° | — | — |
| 1971 | 62° | 46° | 54° | — | — |
40 years of data from ONTARIO INTL AP