Weather on July 1
Simi Valley, CA
55 Years of Data
Avg High
88°F
Avg Low
60°F
Warmest
1996
89°F avg
Coldest
2004
62°F avg
About This Date
July 1st in Simi Valley, CA typically brings warm summer weather, with average highs around 88°F and lows near 60°F — a 28°F daily swing. Over 30 years of records, the warmest July 1st was in 1996 (89°F average), while the coldest was 2004 (62°F) — a 27°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 July 1st in Simi Valley, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 59° | 75° | — | — |
| 2024 | 91° | 62° | 77° | — | — |
| 2023 | 99° | 59° | 79° | — | — |
| 2022 | 92° | 61° | 76° | — | — |
| 2021 | 95° | 59° | 77° | — | — |
| 2020 | 79° | 55° | 67° | — | — |
| 2019 | 91° | 64° | 78° | — | — |
| 2018 | 86° | 56° | 71° | — | — |
| 2017 | 85° | 56° | 70° | — | — |
| 2016 | 86° | 59° | 73° | — | — |
| 2015 | 91° | 70° | 80° | — | — |
| 2014 | 88° | 59° | 73° | — | — |
| 2013 | 99° | 67° | 83° | — | — |
| 2012 | 75° | 52° | 63° | — | — |
| 2011 | 88° | 61° | 74° | — | — |
| 2010 | 80° | 56° | 68° | — | — |
| 2009 | 78° | 51° | 65° | — | — |
| 2008 | 82° | 59° | 71° | — | — |
| 2007 | 86° | 61° | 73° | — | — |
| 2006 | 91° | 63° | 77° | — | — |
| 2005 | 77° | 52° | 64° | — | — |
| 2004coldest | 70° | 55° | 62° | — | — |
| 2003 | 86° | 61° | 73° | — | — |
| 2002 | 95° | 63° | 79° | — | — |
| 2001 | 98° | 65° | 81° | — | — |
| 2000 | 87° | 58° | 72° | — | — |
| 1999 | 88° | 56° | 72° | — | — |
| 1998 | 87° | 63° | 75° | — | — |
| 1997 | 95° | 66° | 81° | — | — |
| 1996warmest | 104° | 74° | 89° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA