Weather on December 25
Simi Valley, CA
55 Years of Data
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° | — | — |
Simi Valley, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Simi Valley, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Simi Valley, CA
Most pleasant months in Simi Valley, CA: January, March, April, May, June, October, November.