Weather on January 5
Simi Valley, CA
55 Years of Data
Avg High
65°F
Avg Low
51°F
Warmest
2003
78°F avg
Coldest
2005
47°F avg
About This Date
January 5th in Simi Valley, CA typically brings mild winter weather, with average highs around 65°F and lows near 51°F. Over 31 years of records, the warmest January 5th was in 2003 (78°F average), while the coldest was 2005 (47°F) — a 31°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for January 5th in Simi Valley, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 59° | 48° | 54° | — | — |
| 2025 | 74° | 55° | 64° | — | — |
| 2024 | 63° | 49° | 56° | — | — |
| 2023 | 56° | 45° | 50° | — | — |
| 2022 | 70° | 56° | 63° | — | — |
| 2021 | 71° | 52° | 61° | — | — |
| 2020 | 68° | 55° | 62° | — | — |
| 2019 | 51° | 45° | 48° | — | — |
| 2018 | 72° | 57° | 64° | — | — |
| 2017 | 57° | 47° | 52° | — | — |
| 2016 | 52° | 45° | 48° | — | — |
| 2015 | 72° | 56° | 64° | — | — |
| 2014 | 72° | 56° | 64° | — | — |
| 2013 | 65° | 45° | 55° | — | — |
| 2012 | 82° | 57° | 70° | — | — |
| 2011 | 59° | 49° | 54° | — | — |
| 2010 | 76° | 54° | 65° | — | — |
| 2009 | 55° | 39° | 47° | — | — |
| 2008 | 54° | 50° | 52° | — | — |
| 2007 | 55° | 43° | 49° | — | — |
| 2006 | 73° | 64° | 69° | — | — |
| 2005coldest | 54° | 41° | 47° | — | — |
| 2004 | 57° | 48° | 53° | — | — |
| 2003warmest | 84° | 72° | 78° | — | — |
| 2002 | 70° | 50° | 60° | — | — |
| 2001 | 67° | 59° | 63° | — | — |
| 2000 | 69° | 56° | 62° | — | — |
| 1999 | 77° | 60° | 69° | — | — |
| 1998 | 55° | 42° | 49° | — | — |
| 1997 | 59° | 43° | 51° | — | — |
| 1996 | 60° | 47° | 53° | — | — |
31 years of data from SIMI VALLEY CALIFORNIA