Weather on June 25
Simi Valley, CA
55 Years of Data
Avg High
83°F
Avg Low
57°F
Warmest
2017
86°F avg
Coldest
2002
60°F avg
About This Date
June 25th in Simi Valley, CA typically brings warm summer weather, with average highs around 83°F and lows near 57°F — a 26°F daily swing. Over 30 years of records, the warmest June 25th was in 2017 (86°F average), while the coldest was 2002 (60°F) — a 26°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
Planning for June 25th in Simi Valley, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
2.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 55° | 70° | — | — |
| 2024 | 94° | 66° | 80° | — | — |
| 2023 | 79° | 51° | 65° | — | — |
| 2022 | 99° | 68° | 83° | — | — |
| 2021 | 85° | 58° | 71° | — | — |
| 2020 | 85° | 57° | 71° | — | — |
| 2019 | 74° | 56° | 65° | — | — |
| 2018 | 87° | 55° | 71° | — | — |
| 2017warmest | 106° | 66° | 86° | — | — |
| 2016 | 93° | 59° | 76° | — | — |
| 2015 | 94° | 62° | 78° | — | — |
| 2014 | 85° | 59° | 72° | — | — |
| 2013 | 82° | 56° | 69° | — | — |
| 2012 | 75° | 52° | 63° | — | — |
| 2011 | 73° | 50° | 62° | — | — |
| 2010 | 77° | 57° | 67° | — | — |
| 2009 | 72° | 54° | 63° | — | — |
| 2008 | 75° | 55° | 65° | — | — |
| 2007 | 79° | 57° | 68° | — | — |
| 2006 | 88° | 63° | 75° | — | — |
| 2005 | 73° | 48° | 61° | — | — |
| 2004 | 81° | 57° | 69° | — | — |
| 2003 | 84° | 54° | 69° | — | — |
| 2002coldest | 66° | 54° | 60° | — | — |
| 2001 | 86° | 59° | 73° | — | — |
| 2000 | 91° | 64° | 78° | — | — |
| 1999 | 87° | 56° | 71° | — | — |
| 1998 | 79° | 54° | 66° | — | — |
| 1997 | 88° | 58° | 73° | — | — |
| 1996 | 75° | 55° | 65° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA