ClimateForecastNovemberDecember >>

Downey (CA) Climate by Month

The weather in Downey sees moderate temperature fluctuations over the course of a year. Temperatures can be warm at the high end to roughly pleasant at the low end. It maintains fairly dry conditions year-round. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

In Downey, seasonal changes bring about a moderate variation in temperatures. On average, daytime temperatures range from a comfortable 30°C in August to a pleasant 20°C in December. Nighttime temperatures can drop, with averages reaching 8°C in December.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Downey typically sees modest rainfall throughout the year, with an average annual precipitation of 254 mm. The seasons in Downey, bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 71 mm of precipitation. This rainfall is distributed across 8 rainy days. In contrast, the driest month, June, experiences much less rainfall, totaling 0.1 mm over 0 rainy days. 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 Downey, summer days are longer and more sunny, with daily sunshine hours peaking at 12.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 7.2 hours.

Monthly hours of sunshine

Data from: Los Angeles, the United States of America (24 KM, 15 Miles).

Daily hours of sunshine

Data from: Los Angeles, the United States of America (24 KM, 15 Miles).

Average water temperature

The mean water temperature over the year in Downey ranges from 14°C in January to 18°C in August.

Water temperature over the year

Data from: Los Angeles, the United States of America (24 KM, 15 Miles).

The best time of year to visit Downey 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 Downey?
    August has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Downey?
    The coldest month is December with an average maximum temperature of 20°C.
  • Which is the wettest month in Downey?
    December tops the wettest month list with 71 mm of rainfall.
  • Which is the driest month in Downey?
    June is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Downey?
    July is the sunniest month with an average of 364 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 Downey (CA)

    Sat   Nov 23
    18°C | 11°C
    W 7 km/h
    1.8 mm
    broken clouds and rain

    broken clouds and rain

    Sun   Nov 24
    19°C | 12°C
    SW 14 km/h
    almost clear and no rain

    almost clear and no rain

    Mon   Nov 25
    22°C | 10°C
    NW 11 km/h
    0.7 mm
    overcast and small chance of slight rain

    overcast and small chance of slight rain