Weather on April 22
Ontario, CA
55 Years of Data
Avg High
75°F
Avg Low
50°F
Warmest
2017
78°F avg
Coldest
1980
49°F avg
About This Date
April 22nd in Ontario, CA typically brings pleasant spring weather, with average highs around 75°F and lows near 50°F — a 25°F daily swing. Over 42 years of records, the warmest April 22nd was in 2017 (78°F average), while the coldest was 1980 (49°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 14% of April 22nd dates historically, with the wettest April 22nd recording 1.12" of rain. The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
Planning for April 22nd in Ontario, CA? Great weather for outdoor activities.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 50° | 63° | — | — |
| 2024 | 76° | 55° | 65° | — | — |
| 2023 | 89° | 58° | 73° | — | — |
| 2022 | 62° | 51° | 57° | 0.56" | — |
| 2021 | 64° | 53° | 59° | — | — |
| 2020 | 87° | 51° | 69° | — | — |
| 2019 | 83° | 52° | 67° | — | — |
| 2018 | 90° | 56° | 73° | — | — |
| 2017warmest | 95° | 61° | 78° | — | — |
| 2016 | 79° | 55° | 67° | — | — |
| 2015 | 69° | 54° | 61° | — | — |
| 2014 | 73° | 54° | 63° | — | — |
| 2013 | 82° | 54° | 68° | — | — |
| 2012 | 80° | 55° | 68° | — | — |
| 2011 | 70° | 53° | 61° | — | — |
| 2010 | 57° | 44° | 51° | 0.05" | — |
| 2009 | 82° | 57° | 70° | — | — |
| 2008 | 75° | 49° | 62° | — | — |
| 2007 | 63° | 48° | 55° | 0.03" | — |
| 2006 | 61° | 49° | 55° | 0.23" | — |
| 2005 | 68° | 49° | 58° | — | — |
| 2004 | 81° | 52° | 66° | — | — |
| 2003 | 61° | 47° | 54° | — | — |
| 2002 | 88° | 50° | 69° | — | — |
| 2001 | 71° | 42° | 57° | — | — |
| 2000 | 65° | 53° | 59° | 0.43" | — |
| 1999 | 63° | 51° | 57° | — | — |
| 1998 | 80° | 50° | 65° | — | — |
| 1984 | 93° | 48° | 71° | — | — |
| 1983 | 66° | 52° | 59° | — | — |
| 1982 | 80° | 39° | 60° | — | — |
| 1981 | 86° | 49° | 67° | — | — |
| 1980coldest | 56° | 43° | 49° | 1.12" | — |
| 1979 | 76° | 43° | 59° | — | — |
| 1978 | 74° | 43° | 58° | — | — |
| 1977 | 87° | 49° | 68° | — | — |
| 1976 | 70° | 52° | 61° | — | — |
| 1975 | 60° | 48° | 54° | — | — |
| 1974 | 80° | 46° | 63° | — | — |
| 1973 | 81° | 45° | 63° | — | — |
| 1972 | 79° | 41° | 60° | — | — |
| 1971 | 67° | 34° | 50° | — | — |
42 years of data from ONTARIO INTL AP