Historical Weather in Mission Viejo, CA
See 55+ years of weather history for any date in Mission Viejo going back to 1970.
Part of California weather history · California temperature records
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Monthly Climate Averages
Historical temperature and precipitation averages for Mission Viejo, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Mission Viejo, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Mission Viejo, CA Monthly Precipitation
Average rainfall per month, in inches.
Mission Viejo, 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 Mission Viejo, CA
Mission Viejo, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.
Mission Viejo Temperature Records
- Record High: The hottest temperature ever recorded in Mission Viejo, CA is 115°F, set on July 6, 2018.
- Record Low: The coldest temperature ever recorded in Mission Viejo, CA is 30°F, set on January 5, 1971.
- Data Coverage: Based on 34 years of data from NOAA weather station: BELL CANYON CALIFORNIA.
All-Time Record High
All-Time Record Low
Monthly Temperature Records in Mission Viejo
| Month | Record High | Record Low |
|---|---|---|
| January | 93°F(2021) | 30°F(2007) |
| February | 94°F(2002) | 31°F(1971) |
| March | 96°F(2004) | 31°F(2023) |
| April | 103°F(2004) | 35°F(1999) |
| May | 106°F(2004) | 39°F(2000) |
| June | 110°F(2016) | 45°F(2011) |
| July | 115°F(2018) | 50°F(2012) |
| August | 108°F(1998) | 50°F(2010) |
| September | 114°F(2020) | 42°F(2006) |
| October | 106°F(2017) | 32°F(1971) |
| November | 101°F(2010) | 34°F(2004) |
| December | 90°F(2010) | 30°F(2010) |