Weather on May 21
Thousand Oaks, CA
55 Years of Data
Avg High
75°F
Avg Low
54°F
Warmest
2017
83°F avg
Coldest
2011
52°F avg
About This Date
May 21st in Thousand Oaks, CA typically brings pleasant spring weather, with average highs around 75°F and lows near 54°F. Over 30 years of records, the warmest May 21st was in 2017 (83°F average), while the coldest was 2011 (52°F) — a 31°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 21st in Thousand Oaks, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 66° | 80° | — | — |
| 2024 | 74° | 49° | 61° | — | — |
| 2023 | 84° | 55° | 70° | — | — |
| 2022 | 73° | 51° | 62° | — | — |
| 2021 | 64° | 46° | 55° | — | — |
| 2020 | 87° | 59° | 73° | — | — |
| 2019 | 66° | 48° | 57° | — | — |
| 2018 | 63° | 53° | 58° | — | — |
| 2017warmest | 95° | 71° | 83° | — | — |
| 2016 | 63° | 48° | 55° | — | — |
| 2015 | 62° | 49° | 55° | — | — |
| 2014 | 69° | 50° | 60° | — | — |
| 2013 | 90° | 57° | 73° | — | — |
| 2012 | 79° | 54° | 66° | — | — |
| 2011coldest | 59° | 45° | 52° | — | — |
| 2010 | 68° | 50° | 59° | — | — |
| 2009 | 72° | 54° | 63° | — | — |
| 2008 | 72° | 55° | 63° | — | — |
| 2007 | 61° | 55° | 58° | — | — |
| 2006 | 70° | 57° | 63° | — | — |
| 2005 | 84° | 59° | 72° | — | — |
| 2004 | 66° | 50° | 58° | — | — |
| 2003 | 86° | 64° | 75° | — | — |
| 2002 | 64° | 46° | 55° | — | — |
| 2001 | 83° | 55° | 69° | — | — |
| 2000 | 103° | 62° | 82° | — | — |
| 1999 | 67° | 48° | 57° | — | — |
| 1998 | 67° | 50° | 58° | — | — |
| 1997 | 79° | 55° | 67° | — | — |
| 1996 | 77° | 54° | 65° | — | — |
30 years of data from THOUSAND OAKS CALIFORNIA