Weather on May 22
Simi Valley, CA
55 Years of Data
Avg High
77°F
Avg Low
52°F
Warmest
2006
99°F avg
Coldest
1999
55°F avg
About This Date
May 22nd in Simi Valley, CA typically brings pleasant spring weather, with average highs around 77°F and lows near 52°F — a 25°F daily swing. Over 30 years of records, the warmest May 22nd was in 2006 (99°F average), while the coldest was 1999 (55°F) — a 44°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 May 22nd in Simi Valley, CA? Great weather for outdoor activities.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 59° | 74° | — | — |
| 2024 | 71° | 50° | 61° | — | — |
| 2023 | 83° | 55° | 69° | — | — |
| 2022 | 77° | 52° | 64° | — | — |
| 2021 | 69° | 45° | 57° | — | — |
| 2020 | 80° | 54° | 67° | — | — |
| 2019 | 65° | 45° | 55° | — | — |
| 2018 | 69° | 52° | 60° | — | — |
| 2017 | 93° | 62° | 78° | — | — |
| 2016 | 69° | 49° | 59° | — | — |
| 2015 | 64° | 49° | 56° | — | — |
| 2014 | 75° | 51° | 63° | — | — |
| 2013 | 76° | 53° | 64° | — | — |
| 2012 | 81° | 55° | 68° | — | — |
| 2011 | 64° | 52° | 58° | — | — |
| 2010 | 65° | 48° | 56° | — | — |
| 2009 | 72° | 50° | 61° | — | — |
| 2008 | 66° | 50° | 58° | — | — |
| 2007 | 66° | 52° | 59° | — | — |
| 2006warmest | 147° | 52° | 99° | — | — |
| 2005 | 86° | 63° | 74° | — | — |
| 2004 | 68° | 50° | 59° | — | — |
| 2003 | 81° | 54° | 67° | — | — |
| 2002 | 72° | 46° | 59° | — | — |
| 2001 | 88° | 56° | 72° | — | — |
| 2000 | 94° | 58° | 76° | — | — |
| 1999coldest | 62° | 49° | 55° | — | — |
| 1998 | 74° | 54° | 64° | — | — |
| 1997 | 58° | 57° | 57° | — | — |
| 1996 | 78° | 52° | 65° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA