Weather on May 27
Simi Valley, CA
55 Years of Data
Avg High
76°F
Avg Low
53°F
Warmest
1997
82°F avg
Coldest
2019
55°F avg
About This Date
May 27th in Simi Valley, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 53°F. Over 30 years of records, the warmest May 27th was in 1997 (82°F average), while the coldest was 2019 (55°F) — a 27°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 27th in Simi Valley, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 53° | 69° | — | — |
| 2024 | 79° | 52° | 65° | — | — |
| 2023 | 74° | 50° | 62° | — | — |
| 2022 | 80° | 51° | 66° | — | — |
| 2021 | 77° | 53° | 65° | — | — |
| 2020 | 97° | 60° | 78° | — | — |
| 2019coldest | 67° | 43° | 55° | — | — |
| 2018 | 77° | 50° | 64° | — | — |
| 2017 | 76° | 50° | 63° | — | — |
| 2016 | 78° | 52° | 65° | — | — |
| 2015 | 78° | 51° | 65° | — | — |
| 2014 | 87° | 57° | 72° | — | — |
| 2013 | 77° | 52° | 64° | — | — |
| 2012 | 70° | 46° | 58° | — | — |
| 2011 | 75° | 52° | 63° | — | — |
| 2010 | 64° | 52° | 58° | — | — |
| 2009 | 73° | 52° | 62° | — | — |
| 2008 | 66° | 46° | 56° | — | — |
| 2007 | 70° | 52° | 61° | — | — |
| 2006 | 68° | 55° | 62° | — | — |
| 2005 | 72° | 52° | 62° | — | — |
| 2004 | 70° | 52° | 61° | — | — |
| 2003 | 86° | 57° | 72° | — | — |
| 2002 | 66° | 48° | 57° | — | — |
| 2001 | 63° | 54° | 58° | — | — |
| 2000 | 100° | 65° | 82° | — | — |
| 1999 | 81° | 54° | 67° | — | — |
| 1998 | 70° | 47° | 58° | — | — |
| 1997warmest | 97° | 68° | 82° | — | — |
| 1996 | 72° | 49° | 60° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA