Weather on June 9
Simi Valley, CA
55 Years of Data
Avg High
79°F
Avg Low
56°F
Warmest
2020
82°F avg
Coldest
1998
60°F avg
About This Date
June 9th in Simi Valley, CA typically brings pleasant summer weather, with average highs around 79°F and lows near 56°F. Over 30 years of records, the warmest June 9th was in 2020 (82°F average), while the coldest was 1998 (60°F) — a 22°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
Planning for June 9th in Simi Valley, CA? Great weather for outdoor activities.
Warming Trend
2.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 54° | 69° | — | — |
| 2024 | 78° | 55° | 67° | — | — |
| 2023 | 68° | 51° | 60° | — | — |
| 2022 | 96° | 58° | 77° | — | — |
| 2021 | 78° | 52° | 65° | — | — |
| 2020warmest | 95° | 68° | 82° | — | — |
| 2019 | 99° | 57° | 78° | — | — |
| 2018 | 84° | 64° | 74° | — | — |
| 2017 | 79° | 52° | 65° | — | — |
| 2016 | 84° | 56° | 70° | — | — |
| 2015 | 78° | 69° | 74° | — | — |
| 2014 | 92° | 57° | 74° | — | — |
| 2013 | 86° | 53° | 70° | — | — |
| 2012 | 70° | 54° | 62° | — | — |
| 2011 | 66° | 55° | 61° | — | — |
| 2010 | 71° | 56° | 63° | — | — |
| 2009 | 64° | 55° | 60° | — | — |
| 2008 | 82° | 50° | 66° | — | — |
| 2007 | 72° | 52° | 62° | — | — |
| 2006 | 72° | 59° | 65° | — | — |
| 2005 | 70° | 55° | 62° | — | — |
| 2004 | 70° | 52° | 61° | — | — |
| 2003 | 66° | 57° | 62° | — | — |
| 2002 | 70° | 57° | 63° | — | — |
| 2001 | 86° | 57° | 72° | — | — |
| 2000 | 77° | 55° | 66° | — | — |
| 1999 | 76° | 51° | 63° | — | — |
| 1998coldest | 67° | 53° | 60° | — | — |
| 1997 | 83° | 56° | 69° | — | — |
| 1996 | 95° | 60° | 78° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA