ClimateForecastNovemberDecember >>

Belmont (CA) Climate by Month

Temperatures in Belmont experience a moderate degree of variance through the seasons. Days can be warm, while the cooler months tend to be mild. It maintains relatively low levels of precipitation throughout the seasons. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

The weather in Belmont changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures range from a comfortable 25°C in September, the warmest time of the year, to a moderate 15°C during cooler months like January. At night, temperatures typically average around 5°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Belmont maintains relatively dry conditions year-round, recording average annual precipitation of 414 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives moderate rainfall, averaging 99 mm of precipitation, recorded across 12 rainy days. In contrast, the drier season, July brings less rainfall, with 0 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 Belmont. While May receives considerable daily sunshine with up to 10.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.3 hours of sunlight per day.

Monthly hours of sunshine

Data from: San Francisco, the United States of America (14 KM, 8 Miles).

Daily hours of sunshine

Data from: San Francisco, the United States of America (14 KM, 8 Miles).

Average water temperature

The mean water temperature over the year in Belmont ranges from 12°C in January to 14°C in June.

Water temperature over the year

Data from: San Francisco, the United States of America (14 KM, 8 Miles).

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

During the months of May, June, July, August, September and October 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 Belmont have a dry season?
    Yes, the months of May, June, July, August and September are very dry.
  • Which is the warmest month in Belmont?
    September has an average maximum temperature of 25°C and is the warmest month of the year.
  • Which is the coldest month in Belmont?
    The coldest month is December with an average maximum temperature of 15°C.
  • Which is the wettest month in Belmont?
    December tops the wettest month list with 99 mm of rainfall.
  • Which is the driest month in Belmont?
    July is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Belmont?
    May is the sunniest month with an average of 324 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 Belmont (CA)

    Thu   Nov 21
    18°C | 13°C
    S 25 km/h
    1.2 mm
    broken clouds and slight rain

    broken clouds and slight rain

    Fri   Nov 22
    18°C | 13°C
    S 29 km/h
    44 mm
    overcast and heavy rain

    overcast and heavy rain

    Sat   Nov 23
    16°C | 9°C
    W 11 km/h
    5.9 mm
    partly cloudy and  chance of rain

    partly cloudy and chance of rain