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Climate in Rancho Cucamonga (California), United States of America

The graphs below show the monthly weather averages over the year.

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.

Weather Forecasts for Rancho Cucamonga (CA)

Wed   Apr 24
18°C | 11°C
SW 22 km/h
partly cloudy and no rain

partly cloudy and no rain

Thu   Apr 25
18°C | 11°C
SW 22 km/h
2.3 mm
overcast and  chance of rain

overcast and chance of rain

Fri   Apr 26
19°C | 11°C
W 22 km/h
2.5 mm
broken clouds and  chance of rain

broken clouds and chance of rain

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

During the months of 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 Rancho Cucamonga have a dry season?
    Yes, the months of May, June, July, August, September and October are very dry.
  • Which is the warmest month in Rancho Cucamonga?
    August has an average maximum temperature of 34°C and is the warmest month of the year.
  • Which is the coldest month in Rancho Cucamonga?
    The coldest month is December with an average maximum temperature of 18°C.
  • Which is the wettest month in Rancho Cucamonga?
    December tops the wettest month list with 98 mm of rainfall.
  • Which is the driest month in Rancho Cucamonga?
    June is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Rancho Cucamonga?
    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.