Mission Viejo (CA) Weather and Climate: A Comprehensive Guide
The climate in Mission Viejo is marked by big temperature swings throughout the year.
Temperatures range from very warm during the warmest months
to pleasant in the cooler months.
Mission Viejo has a dry climate with relatively low precipitation levels.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
In Mission Viejo, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 31°C in August to a pleasant 19°C in February.
Nighttime temperatures can drop, with average lows reaching 8°C in February. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Mission Viejo typically sees modest rainfall throughout the year, with an average annual precipitation of 282 mm. The seasons in Mission Viejo, bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 81 mm of precipitation. This rainfall is distributed across 8 rainy days. In contrast, the driest month, June, experiences much less rainfall, totaling 0.5 mm over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Mission Viejo Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Mission Viejo, summer days are longer and more sunny, with daily sunshine hours peaking at 12.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 6.6 hours per average day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
almost clear and no rain broken clouds and no rain broken clouds and no rainForecast for Mission Viejo (CA)
3 m/s
3 m/s
3 m/s
The best time of year to visit Mission Viejo in the United States of America
During the months of January, February, March, April, May and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 19°C.
December tops the wettest month list with 81 mm of rainfall.
June is the driest month with 1 mm of precipitation.
July is the sunniest month with an average of 369 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
