Weather on June 28
Simi Valley, CA
55 Years of Data
About This Date
June 28th in Simi Valley, CA typically brings warm summer weather, with average highs around 86°F and lows near 60°F — a 26°F daily swing. Over 30 years of records, the warmest June 28th was in 2013 (86°F average), while the coldest was 2005 (62°F) — a 24°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
Planning for June 28th in Simi Valley, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 59° | 78° | — | — |
| 2024 | 88° | 59° | 73° | — | — |
| 2023 | 81° | 52° | 66° | — | — |
| 2022 | 103° | 70° | 86° | — | — |
| 2021 | 102° | 64° | 83° | — | — |
| 2020 | 76° | 57° | 66° | — | — |
| 2019 | 88° | 56° | 72° | — | — |
| 2018 | 82° | 57° | 70° | — | — |
| 2017 | 89° | 58° | 73° | — | — |
| 2016 | 99° | 69° | 84° | — | — |
| 2015 | 98° | 71° | 85° | — | — |
| 2014 | 88° | 59° | 73° | — | — |
| 2013warmest | 102° | 70° | 86° | — | — |
| 2012 | 81° | 57° | 69° | — | — |
| 2011 | 75° | 55° | 65° | — | — |
| 2010 | 77° | 56° | 66° | — | — |
| 2009 | 85° | 58° | 71° | — | — |
| 2008 | 77° | 57° | 67° | — | — |
| 2007 | 81° | 59° | 70° | — | — |
| 2006 | 93° | 70° | 81° | — | — |
| 2005coldest | 72° | 52° | 62° | — | — |
| 2004 | 73° | 61° | 67° | — | — |
| 2003 | 77° | 55° | 66° | — | — |
| 2002 | 82° | 55° | 69° | — | — |
| 2001 | 85° | 65° | 75° | — | — |
| 2000 | 93° | 65° | 79° | — | — |
| 1999 | 91° | 57° | 74° | — | — |
| 1998 | 88° | 61° | 74° | — | — |
| 1997 | 81° | 56° | 68° | — | — |
| 1996 | 88° | 52° | 70° | — | — |
Simi Valley, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Simi Valley, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Simi Valley, CA
Most pleasant months in Simi Valley, CA: January, March, April, May, June, October, November.