Weather on May 14
Simi Valley, CA
55 Years of Data
Avg High
79°F
Avg Low
56°F
Warmest
2006
143°F avg
Coldest
2015
53°F avg
About This Date
May 14th in Simi Valley, CA typically brings pleasant spring weather, with average highs around 79°F and lows near 56°F. Over 30 years of records, the warmest May 14th was in 2006 (143°F average), while the coldest was 2015 (53°F) — a 90°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for May 14th in Simi Valley, CA? Great weather for outdoor activities.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 50° | 64° | — | — |
| 2024 | 74° | 51° | 62° | — | — |
| 2023 | 88° | 53° | 70° | — | — |
| 2022 | 98° | 72° | 85° | — | — |
| 2021 | 79° | 51° | 65° | — | — |
| 2020 | 77° | 52° | 64° | — | — |
| 2019 | 82° | 55° | 69° | — | — |
| 2018 | 75° | 49° | 62° | — | — |
| 2017 | 70° | 48° | 59° | — | — |
| 2016 | 73° | 52° | 62° | — | — |
| 2015coldest | 57° | 48° | 53° | — | — |
| 2014 | 93° | 71° | 82° | — | — |
| 2013 | 88° | 58° | 73° | — | — |
| 2012 | 73° | 50° | 62° | — | — |
| 2011 | 64° | 50° | 57° | — | — |
| 2010 | 71° | 52° | 61° | — | — |
| 2009 | 79° | 55° | 67° | — | — |
| 2008 | 77° | 55° | 66° | — | — |
| 2007 | 68° | 50° | 59° | — | — |
| 2006warmest | 145° | 140° | 143° | — | — |
| 2005 | 81° | 57° | 69° | — | — |
| 2004 | 82° | 57° | 70° | — | — |
| 2003 | 63° | 50° | 56° | — | — |
| 2002 | 75° | 52° | 63° | — | — |
| 2001 | 74° | 50° | 62° | — | — |
| 2000 | 76° | 54° | 65° | — | — |
| 1999 | 71° | 50° | 61° | — | — |
| 1998 | 64° | 46° | 55° | — | — |
| 1997 | 92° | 57° | 74° | — | — |
| 1996 | 80° | 56° | 68° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA