ClimateForecastNovemberDecember >>

Mission Viejo (CA) Climate by Month

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 day and 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 averages reaching 8°C in February.

The mean minimum and maximum temperatures throughout the year

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.

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

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.

Monthly hours of sunshine

Data from: Corona, the United States of America (32 KM, 19 Miles).

Daily hours of sunshine

Data from: Corona, the United States of America (32 KM, 19 Miles).

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.

    Forecast for Mission Viejo (CA)

    Sun   Nov 24
    18°C | 12°C
    W 11 km/h
    almost clear and no rain

    almost clear and no rain

    Mon   Nov 25
    21°C | 11°C
    W 11 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Tue   Nov 26
    19°C | 13°C
    W 7 km/h
    overcast and no rain

    overcast and no rain