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
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Today in Mission Viejo Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for Mission Viejo, CA, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 87°F / Low: 62°F
Coldest MonthDecemberAvg High: 67°F / Low: 48°F
Jan
68°/ 48°
💧 12.6"
Feb
68°/ 48°
💧 13.8"
Mar
70°/ 49°
💧 10.4"
Apr
73°/ 51°
💧 6.8"
May
74°/ 54°
💧 4.0"
Jun
79°/ 58°
💧 2.6"
Jul
85°/ 61°
💧 3.5"
Aug
87°/ 62°
💧 8.6"
Sep
85°/ 61°
💧 5.0"
Oct
80°/ 57°
💧 6.3"
Nov
73°/ 52°
💧 9.5"
Dec
67°/ 48°
💧 11.3"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
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
115°F
July 6, 2018
All-Time Record Low
30°F
January 5, 1971
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) |
Mission Viejo Snow RecordsSee the top 10 snowiest days ever recorded
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