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Fontana (CA) Climate by Month

The graphs below provide an overview of the climate in Fontana (California), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

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

Forecast for Fontana (CA)

Thu   Nov 14
23°C | 10°C
SW 14 km/h
almost clear and no rain

almost clear and no rain

Fri   Nov 15
17°C | 9°C
SW 22 km/h
3.8 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

Sat   Nov 16
18°C | 7°C
N 14 km/h
clear and no rain

clear and no rain

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

During the months of 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:

  • Does Fontana have a dry season?
    Yes, the months of May, June, July, August, September and October are very dry.
  • Which is the warmest month in Fontana?
    August has an average maximum temperature of 35°C and is the warmest month of the year.
  • Which is the coldest month in Fontana?
    The coldest month is December with an average maximum temperature of 18°C.
  • Which is the wettest month in Fontana?
    December tops the wettest month list with 91 mm of rainfall.
  • Which is the driest month in Fontana?
    June is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Fontana?
    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.