Weather on May 29
Simi Valley, CA
55 Years of Data
Avg High
78°F
Avg Low
55°F
Warmest
1997
84°F avg
Coldest
2011
58°F avg
About This Date
May 29th in Simi Valley, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 55°F. Over 30 years of records, the warmest May 29th was in 1997 (84°F average), while the coldest was 2011 (58°F) — a 26°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for May 29th in Simi Valley, CA? Great weather for outdoor activities.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 54° | 68° | — | — |
| 2024 | 79° | 52° | 65° | — | — |
| 2023 | 69° | 53° | 61° | — | — |
| 2022 | 78° | 52° | 65° | — | — |
| 2021 | 76° | 52° | 64° | — | — |
| 2020 | 74° | 55° | 64° | — | — |
| 2019 | 81° | 53° | 67° | — | — |
| 2018 | 88° | 53° | 70° | — | — |
| 2017 | 85° | 54° | 69° | — | — |
| 2016 | 74° | 52° | 63° | — | — |
| 2015 | 87° | 55° | 71° | — | — |
| 2014 | 84° | 55° | 70° | — | — |
| 2013 | 89° | 64° | 77° | — | — |
| 2012 | 75° | 54° | 64° | — | — |
| 2011coldest | 68° | 48° | 58° | — | — |
| 2010 | 88° | 62° | 75° | — | — |
| 2009 | 65° | 56° | 60° | — | — |
| 2008 | 70° | 48° | 59° | — | — |
| 2007 | 73° | 52° | 62° | — | — |
| 2006 | 75° | 55° | 65° | — | — |
| 2005 | 68° | 57° | 63° | — | — |
| 2004 | 72° | 57° | 64° | — | — |
| 2003 | 79° | 55° | 67° | — | — |
| 2002 | 84° | 55° | 70° | — | — |
| 2001 | 80° | 54° | 67° | — | — |
| 2000 | 90° | 62° | 76° | — | — |
| 1999 | 68° | 51° | 60° | — | — |
| 1998 | 72° | 55° | 63° | — | — |
| 1997warmest | 96° | 71° | 84° | — | — |
| 1996 | 73° | 50° | 62° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA