ClimateForecastNovemberDecember >>

Glendora (CA) Climate by Month

The temperature in Glendora can vary greatly throughout the year. The temperatures shift from very warm to pleasant. Glendora has a dry climate with relatively low precipitation levels. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Depending on the time of the year, temperatures range from very warm to pleasant in Glendora. Average daytime temperatures range from a very warm 33°C in August, the warmest time of the year, to a pleasant 19°C during cooler months like December. At night, temperatures typically average around 7°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Glendora maintains relatively dry conditions year-round, recording average annual precipitation of 399 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives high rainfall, averaging 102 mm of precipitation, recorded across 10 rainy days. In contrast, the drier season, August brings less rainfall, with 0.4 mm over 0 rainy days.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Glendora. While July receives considerable daily sunshine with up to 12.3 hours, January marks the darkest time of the year, where sunshine is scarce with only 6.6 hours of sunlight per day.

Monthly hours of sunshine

Data from: Corona, the United States of America (39 KM, 24 Miles).

Daily hours of sunshine

Data from: Corona, the United States of America (39 KM, 24 Miles).

The best time of year to visit Glendora 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:
  • Does Glendora have a dry season?
    Yes, the months of May, June, July, August, September and October are very dry.
  • Which is the warmest month in Glendora?
    August has an average maximum temperature of 33°C and is the warmest month of the year.
  • Which is the coldest month in Glendora?
    The coldest month is December with an average maximum temperature of 19°C.
  • Which is the wettest month in Glendora?
    December tops the wettest month list with 102 mm of rainfall.
  • Which is the driest month in Glendora?
    August is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Glendora?
    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 Glendora (CA)

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

    broken clouds and rain

    Sun   Nov 24
    18°C | 9°C
    SW 14 km/h
    3.1 mm
    partly cloudy and small chance of slight rain

    partly cloudy and small chance of slight rain

    Mon   Nov 25
    20°C | 9°C
    NW 7 km/h
    broken clouds and no rain

    broken clouds and no rain