Weather on January 4
Simi Valley, CA
55 Years of Data
Avg High
63°F
Avg Low
50°F
Warmest
2012
75°F avg
Coldest
2005
45°F avg
About This Date
January 4th in Simi Valley, CA typically brings mild winter weather, with average highs around 63°F and lows near 50°F. Over 31 years of records, the warmest January 4th was in 2012 (75°F average), while the coldest was 2005 (45°F) — a 30°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 January 4th in Simi Valley, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 55° | 49° | 52° | — | — |
| 2025 | 65° | 49° | 57° | — | — |
| 2024 | 54° | 45° | 49° | — | — |
| 2023 | 56° | 50° | 53° | — | — |
| 2022 | 66° | 46° | 56° | — | — |
| 2021 | 64° | 47° | 55° | — | — |
| 2020 | 69° | 53° | 61° | — | — |
| 2019 | 63° | 51° | 57° | — | — |
| 2018 | 74° | 58° | 66° | — | — |
| 2017 | 53° | 47° | 50° | — | — |
| 2016 | 63° | 50° | 56° | — | — |
| 2015 | 67° | 47° | 57° | — | — |
| 2014 | 68° | 51° | 60° | — | — |
| 2013 | 64° | 48° | 56° | — | — |
| 2012warmest | 84° | 66° | 75° | — | — |
| 2011 | 57° | 45° | 51° | — | — |
| 2010 | 71° | 56° | 63° | — | — |
| 2009 | 55° | 48° | 52° | — | — |
| 2008 | 57° | 50° | 54° | — | — |
| 2007 | 57° | 41° | 49° | — | — |
| 2006 | 66° | 45° | 55° | — | — |
| 2005coldest | 52° | 39° | 45° | — | — |
| 2004 | 57° | 43° | 50° | — | — |
| 2003 | 79° | 59° | 69° | — | — |
| 2002 | 66° | 54° | 60° | — | — |
| 2001 | 79° | 61° | 70° | — | — |
| 2000 | 68° | 50° | 59° | — | — |
| 1999 | 72° | 56° | 64° | — | — |
| 1998 | 50° | 43° | 46° | — | — |
| 1997 | 60° | 45° | 52° | — | — |
| 1996 | 55° | 45° | 50° | — | — |
31 years of data from SIMI VALLEY CALIFORNIA