Weather on December 25
Simi Valley, CA
55 Years of Data
Avg High
63°F
Avg Low
49°F
Warmest
2022
72°F avg
Coldest
2008
44°F avg
About This Date
December 25th in Simi Valley, CA typically brings mild winter weather, with average highs around 63°F and lows near 49°F. Over 31 years of records, the warmest December 25th was in 2022 (72°F average), while the coldest was 2008 (44°F) — a 28°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 December 25th in Simi Valley, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 57° | 53° | 55° | — | — |
| 2024 | 61° | 49° | 55° | — | — |
| 2023 | 67° | 52° | 59° | — | — |
| 2022warmest | 80° | 64° | 72° | — | — |
| 2021 | 51° | 43° | 47° | — | — |
| 2020 | 71° | 52° | 61° | — | — |
| 2019 | 52° | 42° | 47° | — | — |
| 2018 | 58° | 48° | 53° | — | — |
| 2017 | 74° | 54° | 64° | — | — |
| 2016 | 52° | 39° | 45° | — | — |
| 2015 | 51° | 41° | 46° | — | — |
| 2014 | 54° | 45° | 49° | — | — |
| 2013 | 73° | 64° | 69° | — | — |
| 2012 | 57° | 45° | 51° | — | — |
| 2011 | 73° | 52° | 62° | — | — |
| 2010 | 63° | 49° | 56° | — | — |
| 2009 | 66° | 48° | 57° | — | — |
| 2008coldest | 52° | 37° | 44° | — | — |
| 2007 | 59° | 48° | 54° | — | — |
| 2006 | 77° | 50° | 64° | — | — |
| 2005 | 63° | 46° | 54° | — | — |
| 2004 | 66° | 43° | 54° | — | — |
| 2003 | 57° | 45° | 51° | — | — |
| 2002 | 59° | 39° | 49° | — | — |
| 2001 | 70° | 54° | 62° | — | — |
| 2000 | 63° | 56° | 59° | — | — |
| 1999 | 72° | 58° | 65° | — | — |
| 1998 | 72° | 53° | 62° | — | — |
| 1997 | 50° | 42° | 46° | — | — |
| 1996 | 75° | 52° | 63° | — | — |
| 1995 | 58° | 47° | 52° | — | — |
31 years of data from SIMI VALLEY CALIFORNIA