Weather on May 8
Simi Valley, CA
55 Years of Data
Avg High
76°F
Avg Low
55°F
Warmest
2006
114°F avg
Coldest
2015
51°F avg
About This Date
May 8th in Simi Valley, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 55°F. Over 30 years of records, the warmest May 8th was in 2006 (114°F average), while the coldest was 2015 (51°F) — a 63°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 May 8th in Simi Valley, CA? Great weather for outdoor activities.
Cooling Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 54° | 72° | — | — |
| 2024 | 79° | 51° | 65° | — | — |
| 2023 | 75° | 49° | 62° | — | — |
| 2022 | 70° | 50° | 60° | — | — |
| 2021 | 78° | 50° | 64° | — | — |
| 2020 | 93° | 63° | 78° | — | — |
| 2019 | 63° | 52° | 57° | — | — |
| 2018 | 84° | 59° | 72° | — | — |
| 2017 | 74° | 46° | 60° | — | — |
| 2016 | 68° | 49° | 58° | — | — |
| 2015coldest | 58° | 45° | 51° | — | — |
| 2014 | 71° | 48° | 60° | — | — |
| 2013 | 67° | 50° | 58° | — | — |
| 2012 | 84° | 52° | 68° | — | — |
| 2011 | 63° | 48° | 55° | — | — |
| 2010 | 74° | 52° | 63° | — | — |
| 2009 | 84° | 59° | 72° | — | — |
| 2008 | 66° | 50° | 58° | — | — |
| 2007 | 91° | 63° | 77° | — | — |
| 2006warmest | 115° | 113° | 114° | — | — |
| 2005 | 66° | 50° | 58° | — | — |
| 2004 | 79° | 57° | 68° | — | — |
| 2003 | 61° | 48° | 54° | — | — |
| 2002 | 66° | 50° | 58° | — | — |
| 2001 | 90° | 68° | 79° | — | — |
| 2000 | 72° | 54° | 63° | — | — |
| 1999 | 73° | 51° | 62° | — | — |
| 1998 | 66° | 51° | 59° | — | — |
| 1997 | 87° | 57° | 72° | — | — |
| 1996 | 79° | 54° | 66° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA