Weather on October 13
Simi Valley, CA
55 Years of Data
Avg High
81°F
Avg Low
59°F
Warmest
1999
88°F avg
Coldest
2009
57°F avg
About This Date
October 13th in Simi Valley, CA typically brings warm fall weather, with average highs around 81°F and lows near 59°F. Over 31 years of records, the warmest October 13th was in 1999 (88°F average), while the coldest was 2009 (57°F) — a 31°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
Planning for October 13th in Simi Valley, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 55° | 62° | — | — |
| 2024 | 80° | 59° | 70° | — | — |
| 2023 | 81° | 59° | 70° | — | — |
| 2022 | 83° | 59° | 71° | — | — |
| 2021 | 74° | 54° | 64° | — | — |
| 2020 | 97° | 75° | 86° | — | — |
| 2019 | 82° | 54° | 68° | — | — |
| 2018 | 69° | 57° | 63° | — | — |
| 2017 | 80° | 60° | 70° | — | — |
| 2016 | 79° | 54° | 66° | — | — |
| 2015 | 91° | 70° | 80° | — | — |
| 2014 | 92° | 61° | 76° | — | — |
| 2013 | 71° | 51° | 61° | — | — |
| 2012 | 73° | 50° | 62° | — | — |
| 2011 | 99° | 66° | 82° | — | — |
| 2010 | 96° | 57° | 77° | — | — |
| 2009coldest | 60° | 53° | 57° | — | — |
| 2008 | 75° | 59° | 67° | — | — |
| 2007 | 68° | 55° | 62° | — | — |
| 2006 | 66° | 54° | 60° | — | — |
| 2005 | 93° | 59° | 76° | — | — |
| 2004 | 77° | 55° | 66° | — | — |
| 2003 | 95° | 59° | 77° | — | — |
| 2002 | 72° | 48° | 60° | — | — |
| 2001 | 88° | 64° | 76° | — | — |
| 2000 | 76° | 54° | 65° | — | — |
| 1999warmest | 101° | 76° | 88° | — | — |
| 1998 | 81° | 58° | 69° | — | — |
| 1997 | 80° | 67° | 73° | — | — |
| 1996 | 84° | 58° | 71° | — | — |
| 1995 | 90° | 61° | 75° | — | — |
31 years of data from SIMI VALLEY CALIFORNIA