ClimateForecastNovemberDecember >>

Rowland Heights (CA) Climate by Month

The temperature in Rowland Heights can vary greatly throughout the year. The temperatures shift from very warm to pleasant. It's weather is marked by below-average rainfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

Depending on the time of the year, temperatures range from very warm to pleasant in Rowland Heights. Average daytime temperatures reach a very warm 34°C in August. In December, the coolest month of the year, temperatures drop to a pleasant 20°C. At night, expect cooler temperatures, averaging 8°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Rowland Heights has a relatively dry climate with low precipitation, averaging 300 mm of rainfall annually. Rowland Heights can be quite wet during December, receiving approximately 79 mm of precipitation over 9 rainy days. In contrast August, experiences much drier conditions, with 0.2 mm of rainfall, spread across 0 rainy days.

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

Sunshine over the year

Rowland Heights can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 12.3 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 6.6 hours of sunlight per day.

Monthly hours of sunshine

Data from: Corona, the United States of America (33 KM, 20 Miles).

Daily hours of sunshine

Data from: Corona, the United States of America (33 KM, 20 Miles).

The best time of year to visit Rowland Heights in the United States of America

During the months of January, February, March, April 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 Rowland Heights?
    August has an average maximum temperature of 34°C and is the warmest month of the year.
  • Which is the coldest month in Rowland Heights?
    The coldest month is December with an average maximum temperature of 20°C.
  • Which is the wettest month in Rowland Heights?
    December tops the wettest month list with 79 mm of rainfall.
  • Which is the driest month in Rowland Heights?
    August is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Rowland Heights?
    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 Rowland Heights (CA)

    Sat   Nov 23
    19°C | 9°C
    SW 7 km/h
    1.6 mm
    broken clouds and rain

    broken clouds and rain

    Sun   Nov 24
    21°C | 10°C
    SW 11 km/h
    almost clear and no rain

    almost clear and no rain

    Mon   Nov 25
    22°C | 9°C
    NW 7 km/h
    0.6 mm
    overcast and small chance of slight rain

    overcast and small chance of slight rain