Rancho Cucamonga, California 

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Climate in Rancho Cucamonga, California

Rancho Cucamonga, California gets 19 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Rancho Cucamonga averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 287 sunny days per year in Rancho Cucamonga. The US average is 205 sunny days.

Rancho Cucamonga gets some kind of precipitation, on average, 36 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 93 degrees
Winter Low: the January low is 43
Rain: averages 19 inches of rain a year
Snow: averages 0 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Rancho Cucamonga is 8.7 (10=best), which means it is more comfortable than most places in California.

8.3 / 8.5

Summer   /   Winter
May, October and June are the most pleasant months in Rancho Cucamonga, while August and July are the least comfortable months.

Climate Averages
  Rancho Cucamonga, CaliforniaUnited States
  19.1 in.38.1 in.
  0.0 in.27.8 in.
  35.9 days106.2 days
  287 days205 days
  92.9°85.8°
  42.7°21.7°
  8.77
  5.74.3
  1207 ft.2443 ft.
CLIMATE

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.


August is the hottest month for Rancho Cucamonga with an average high temperature of 94.2°, which ranks it as warmer than most places in California. In Rancho Cucamonga, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rancho Cucamonga are May, April and October.


In Rancho Cucamonga, there are 86.4 days annually when the high temperature is over 90°, which is hotter than most places in California.


December has the coldest nighttime temperatures for Rancho Cucamonga with an average of 41.8°. This is warmer than most places in California.


In Rancho Cucamonga, there are 2.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.


In Rancho Cucamonga, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.


Humidity in Rancho Cucamonga is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.


February is the wettest month in Rancho Cucamonga with 4.6 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 59% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 19.1 inches in Rancho Cucamonga means that it is about average compared to other places in California.


February is the rainiest month in Rancho Cucamonga with 6.4 days of rain, and July is the driest month with only 0.4 rainy days. There are 35.9 rainy days annually in Rancho Cucamonga, which is less rainy than most places in California. The rainiest season is Spring when it rains 47% of the time and the driest is Autumn with only a 4% chance of a rainy day.


There is rarely any recorded snowfall in Rancho Cucamonga, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Rancho Cucamonga.





  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Rancho Cucamonga    10 Reviews
    Republicans it’s not liberal - 7/2/2021
    Full of Republicans I hate the city I’m moving to Palm Springs the people here are ridiculous caring Trump flags making fun of me in the city a bunch of Lunitics.... Read More

    Start Your Review of Rancho Cucamonga


    Childhood Home - 9/14/2013
    Of all the homes or places of where I lived throughout my lifetime, I especially remember Rancho Cucamunga, CA. But this city's name when I was there was Alta Loma, and... Read More

    Healthy lifestyle if you find the champion on your - 4/11/2013
    Get up early and work. Dogs have a natural instinct to work, protect you( whoever harms anyone or animals spirit will pay a price) love you, loyalty, herd, play, pull... Read More


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    ZIP CODES IN RANCHO CUCAMONGA, CALIFORNIA
    91730 91701 91739 91737


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