Weather on May 16
Simi Valley, CA
55 Years of Data
Avg High
77°F
Avg Low
56°F
Warmest
2006
142°F avg
Coldest
2011
51°F avg
About This Date
May 16th in Simi Valley, CA typically brings pleasant spring weather, with average highs around 77°F and lows near 56°F. Over 30 years of records, the warmest May 16th was in 2006 (142°F average), while the coldest was 2011 (51°F) — a 91°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 16th in Simi Valley, CA? Great weather for outdoor activities.
Cooling Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 50° | 65° | — | — |
| 2024 | 71° | 53° | 62° | — | — |
| 2023 | 83° | 53° | 68° | — | — |
| 2022 | 82° | 55° | 69° | — | — |
| 2021 | 62° | 50° | 56° | — | — |
| 2020 | 89° | 59° | 74° | — | — |
| 2019 | 62° | 49° | 55° | — | — |
| 2018 | 76° | 49° | 62° | — | — |
| 2017 | 67° | 46° | 56° | — | — |
| 2016 | 74° | 52° | 63° | — | — |
| 2015 | 67° | 49° | 58° | — | — |
| 2014 | 95° | 72° | 83° | — | — |
| 2013 | 77° | 52° | 64° | — | — |
| 2012 | 81° | 54° | 67° | — | — |
| 2011coldest | 59° | 43° | 51° | — | — |
| 2010 | 70° | 47° | 58° | — | — |
| 2009 | 81° | 55° | 68° | — | — |
| 2008 | 99° | 66° | 82° | — | — |
| 2007 | 66° | 50° | 58° | — | — |
| 2006warmest | 145° | 138° | 142° | — | — |
| 2005 | 64° | 57° | 61° | — | — |
| 2004 | 73° | 57° | 65° | — | — |
| 2003 | 77° | 52° | 64° | — | — |
| 2002 | 64° | 52° | 58° | — | — |
| 2001 | 81° | 53° | 67° | — | — |
| 2000 | 61° | 48° | 54° | — | — |
| 1999 | 76° | 48° | 62° | — | — |
| 1998 | 70° | 50° | 60° | — | — |
| 1997 | 96° | 60° | 78° | — | — |
| 1996 | 72° | 56° | 64° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA