Cupertino, California 

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Climate in Cupertino, California

Cupertino, California gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 265 sunny days per year in Cupertino. The US average is 205 sunny days.

Cupertino gets some kind of precipitation, on average, 61 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 81 degrees
Winter Low: the January low is 41
Rain: averages 18 inches of rain a year
Snow: averages 0 inches of snow a year


BESTPLACES COMFORT INDEX

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

9.8 / 7.5

Summer   /   Winter
August, July and September are the most pleasant months in Cupertino, while January and December are the least comfortable months.

Climate Averages
  Cupertino, CaliforniaUnited States
  18.0 in.38.1 in.
  0.0 in.27.8 in.
  61.4 days106.2 days
  265 days205 days
  81.2°85.8°
  41.2°21.7°
  8.77
  5.14.3
  236 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.


July is the hottest month for Cupertino with an average high temperature of 81.2°, which ranks it as cooler than most places in California. In Cupertino, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Cupertino are June, September and August.


In Cupertino, there are 16.2 days annually when the high temperature is over 90°, which is cooler than most places in California.


January has the coldest nighttime temperatures for Cupertino with an average of 41.2°. This is warmer than most places in California.


In Cupertino, there are 5.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.


In Cupertino, 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 Cupertino 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 August, July and September.


February is the wettest month in Cupertino with 3.7 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 58% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 18.0 inches in Cupertino means that it is about average compared to other places in California.


December is the rainiest month in Cupertino with 10.3 days of rain, and July is the driest month with only 0.2 rainy days. There are 61.4 rainy days annually in Cupertino, which is rainier than most places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 2% chance of a rainy day.


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





  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Cupertino    5 Reviews
    The fit depends on the person. - 8/16/2020
    I look at the pros and cons listed here about Cupertino and I just laugh. I’ve lived here for 21 years. Here’s what I can tell you.The pros:-The weather is good year... Read More

    Start Your Review of Cupertino


    Another Day in Paradise and Close to Everything, O - 11/24/2014
    I chose Cupertino because that is where I have lived since 1977, but I could have named any of the surrounding cities in the SF Bay Area, though I could not have ever... Read More

    CA cilmate - 7/31/2010
    The climate in California is perfect because it is just beautiful. I have moved to California for a year. I love the weather here so much. It is cool in the summer,... Read More


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