Weather on June 3
Simi Valley, CA
55 Years of Data
Avg High
80°F
Avg Low
55°F
Warmest
1996
82°F avg
Coldest
1999
54°F avg
About This Date
June 3rd in Simi Valley, CA typically brings warm summer weather, with average highs around 80°F and lows near 55°F — a 25°F daily swing. Over 30 years of records, the warmest June 3rd was in 1996 (82°F average), while the coldest was 1999 (54°F) — a 28°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 7.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.0°F warmer on this date compared to 20-30 years ago.
Planning for June 3rd in Simi Valley, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
2.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 54° | 68° | — | — |
| 2024 | 75° | 52° | 63° | — | — |
| 2023 | 84° | 52° | 68° | — | — |
| 2022 | 78° | 55° | 67° | — | — |
| 2021 | 91° | 54° | 72° | — | — |
| 2020 | 100° | 64° | 82° | — | — |
| 2019 | 80° | 52° | 66° | — | — |
| 2018 | 91° | 60° | 76° | — | — |
| 2017 | 92° | 56° | 74° | — | — |
| 2016 | 96° | 68° | 82° | — | — |
| 2015 | 70° | 54° | 62° | — | — |
| 2014 | 89° | 54° | 71° | — | — |
| 2013 | 81° | 56° | 68° | — | — |
| 2012 | 73° | 55° | 64° | — | — |
| 2011 | 73° | 50° | 62° | — | — |
| 2010 | 74° | 52° | 63° | — | — |
| 2009 | 70° | 52° | 61° | — | — |
| 2008 | 70° | 52° | 61° | — | — |
| 2007 | 70° | 52° | 61° | — | — |
| 2006 | 93° | 68° | 81° | — | — |
| 2005 | 70° | 52° | 61° | — | — |
| 2004 | 75° | 54° | 64° | — | — |
| 2003 | 72° | 57° | 64° | — | — |
| 2002 | 70° | 52° | 61° | — | — |
| 2001 | 74° | 53° | 63° | — | — |
| 2000 | 86° | 61° | 73° | — | — |
| 1999coldest | 62° | 46° | 54° | — | — |
| 1998 | 65° | 50° | 57° | — | — |
| 1997 | 80° | 57° | 69° | — | — |
| 1996warmest | 100° | 65° | 82° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA