Weather on June 1
Simi Valley, CA
55 Years of Data
Avg High
79°F
Avg Low
55°F
Warmest
1996
81°F avg
Coldest
2011
56°F avg
About This Date
June 1st in Simi Valley, CA typically brings pleasant summer weather, with average highs around 79°F and lows near 55°F. Over 30 years of records, the warmest June 1st was in 1996 (81°F average), while the coldest was 2011 (56°F) — a 25°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 June 1st in Simi Valley, CA? Great weather for outdoor activities.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 57° | 73° | — | — |
| 2024 | 74° | 53° | 63° | — | — |
| 2023 | 61° | 52° | 56° | — | — |
| 2022 | 94° | 61° | 77° | — | — |
| 2021 | 89° | 54° | 71° | — | — |
| 2020 | 84° | 60° | 72° | — | — |
| 2019 | 65° | 53° | 59° | — | — |
| 2018 | 78° | 52° | 65° | — | — |
| 2017 | 81° | 55° | 68° | — | — |
| 2016 | 83° | 55° | 69° | — | — |
| 2015 | 81° | 52° | 66° | — | — |
| 2014 | 89° | 58° | 73° | — | — |
| 2013 | 101° | 59° | 80° | — | — |
| 2012 | 77° | 54° | 65° | — | — |
| 2011coldest | 66° | 46° | 56° | — | — |
| 2010 | 70° | 55° | 62° | — | — |
| 2009 | 71° | 56° | 63° | — | — |
| 2008 | 72° | 50° | 61° | — | — |
| 2007 | 70° | 52° | 61° | — | — |
| 2006 | 81° | 61° | 71° | — | — |
| 2005 | 72° | 50° | 61° | — | — |
| 2004 | 79° | 57° | 68° | — | — |
| 2003 | 77° | 52° | 64° | — | — |
| 2002 | 70° | 54° | 62° | — | — |
| 2001 | 82° | 57° | 70° | — | — |
| 2000 | 85° | 55° | 70° | — | — |
| 1999 | 74° | 50° | 62° | — | — |
| 1998 | 80° | 55° | 68° | — | — |
| 1997 | 86° | 61° | 73° | — | — |
| 1996warmest | 100° | 63° | 81° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA