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United StatesThe climate of Cupertino
The current climate in Cupertino features temperatures ranging from a high of 27°C to a low of 16°C throughout the year. The average yearly temperature is around 23°C. At night, temperatures in the colder months average around 6°C and in the warmer months around 16°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Cupertino, California.
Temperature records
The highest temperature recorded in Cupertino in recent years was 42°C in September 2017. The lowest daytime temperature recorded was 8°C in December 2015.
Rainfall amount
On average, Cupertino receives 446 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
Best time to visit Cupertino?
The best time to visit Cupertino for sunny weather is February through November. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Cupertino. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Cupertino
The climate table of Cupertino shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 16 | 18 | 19 | 21 | 22 | 26 | 27 | 27 | 27 | 26 | 20 | 16 |
| Temp. min (°C) | 7 | 8 | 9 | 11 | 13 | 15 | 16 | 17 | 16 | 14 | 10 | 7 |
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| Precipitation (mm) | 110 | 79 | 51 | 37 | 18 | 1,1 | 0,1 | 0,8 | 4,9 | 12 | 52 | 80 |
| UV Index | 4 | 6 | 7 | 8 | 9 | 10 | 9 | 9 | 8 | 6 | 5 | 4 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Cupertino, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Cupertino
Yearly Temperature in Cupertino
Precipitation charts
These charts show the average amount of precipitation in Cupertino, California. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Cupertino
Total Yearly Precipitation in Cupertino
UV index chart
This chart shows the average UV index per month in Cupertino, California. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Cupertino
Weather experiences in Cupertino
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Average weather in Cupertino by month
Click on a month below to see detailed weather info for Cupertino. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.