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Mission Viejo (CA) Climate by Month

The graphs below provide an overview of the climate in Mission Viejo (California), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Mission Viejo (CA)

Mon   Sep 16
22°C | 16°C
SW 18 km/h
almost clear and no rain

almost clear and no rain

Tue   Sep 17
23°C | 16°C
SW 14 km/h
clear and no rain

clear and no rain

Wed   Sep 18
23°C | 16°C
SW 14 km/h
clear and no rain

clear and no rain

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:

  • Which is the warmest month in Mission Viejo?
    August has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Mission Viejo?
    The coldest month is February with an average maximum temperature of 19°C.
  • Which is the wettest month in Mission Viejo?
    December tops the wettest month list with 81 mm of rainfall.
  • Which is the driest month in Mission Viejo?
    June is the driest month with 1 mm of precipitation.
  • Which is the sunniest month in Mission Viejo?
    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.