Weather on May 31
Thousand Oaks, CA
55 Years of Data
Avg High
79°F
Avg Low
54°F
Warmest
2025
80°F avg
Coldest
2008
56°F avg
About This Date
May 31st in Thousand Oaks, CA typically brings pleasant spring weather, with average highs around 79°F and lows near 54°F — a 25°F daily swing. Over 30 years of records, the warmest May 31st was in 2025 (80°F average), while the coldest was 2008 (56°F) — a 24°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 31st in Thousand Oaks, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 100° | 61° | 80° | — | — |
| 2024 | 80° | 52° | 66° | — | — |
| 2023 | 66° | 51° | 59° | — | — |
| 2022 | 83° | 55° | 69° | — | — |
| 2021 | 85° | 53° | 69° | — | — |
| 2020 | 84° | 51° | 68° | — | — |
| 2019 | 80° | 52° | 66° | — | — |
| 2018 | 71° | 55° | 63° | — | — |
| 2017 | 77° | 54° | 65° | — | — |
| 2016 | 83° | 53° | 68° | — | — |
| 2015 | 82° | 55° | 69° | — | — |
| 2014 | 87° | 58° | 72° | — | — |
| 2013 | 82° | 58° | 70° | — | — |
| 2012 | 75° | 54° | 64° | — | — |
| 2011 | 68° | 48° | 58° | — | — |
| 2010 | 72° | 55° | 63° | — | — |
| 2009 | 68° | 55° | 62° | — | — |
| 2008coldest | 64° | 48° | 56° | — | — |
| 2007 | 66° | 48° | 57° | — | — |
| 2006 | 81° | 55° | 68° | — | — |
| 2005 | 72° | 54° | 63° | — | — |
| 2004 | 82° | 57° | 70° | — | — |
| 2003 | 72° | 54° | 63° | — | — |
| 2002 | 84° | 55° | 70° | — | — |
| 2001 | 95° | 57° | 76° | — | — |
| 2000 | 81° | 56° | 68° | — | — |
| 1999 | 77° | 48° | 63° | — | — |
| 1998 | 79° | 51° | 65° | — | — |
| 1997 | 88° | 60° | 74° | — | — |
| 1996 | 83° | 52° | 67° | — | — |
30 years of data from THOUSAND OAKS CALIFORNIA