Temperatures in April
It's pleasantly warm in April in Cupertino with an average temperature of 21°C. Temperatures this month range from a low of 19°C to a high of 25°C. At night, you can expect temperatures between 9°C and 12°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Cupertino in April. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of April
The month of April starts in Cupertino with mild temperatures, averaging around 21°C during the day and nights close to 10°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-April
By mid-April, the average daytime temperature stays the same at 21°C, with nights close to 11°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of April
By the end of April, the average daytime temperature in Cupertino will be around 23°C, with nights close to 12°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
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Precipitation in April
In April, there is an average of 37 mm of precipitation, spread over 3 days. The wind speed is around 4 Bft, mostly coming from the Northwest.
The precipitation chance averages 12% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in April for Cupertino. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Cupertino in April |
London | ||
|---|---|---|---|
 Average Temperature |
21°C | 15°C | |
 High Temp |
25°C | 18°C | |
| Low Temp |
19°C | 12°C | |
 Total Precipitation |
37 mm | 29 mm | |
| Rainy Days |
3 days | 7 days | |
March
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is April a good time to visit Cupertino?
Want nice weather? Then April is a great time to be in Cupertino. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Cupertino in April
With 33°C, Cupertino hit the highest temperature in the last 10 years in April 2015. The lowest daytime temperature in this month was 10°C in 2020. The extreme night temperatures ranged from a low of 4°C to a high of 17°C.
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Daily Temperature in April in Cupertino
This chart shows the average daily temperatures, both day and night, for each day in April in Cupertino, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in April in Cupertino
The chart below shows the average daily precipitation in April for Cupertino, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for April, you can expect around 3 days of rain in Cupertino.
Daily UV Index in April in Cupertino
This chart shows the average daily UV index in April in Cupertino, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in April in Cupertino Over the Years
This chart shows the average temperature in April in Cupertino, measured in degrees Celsius, over the past years.
Total Precipitation in April in Cupertino Over the Years
This chart shows the average precipitation in April in Cupertino, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in April for Cupertino
Click on a specific day in April for detailed info on the typical weather on that day in Cupertino. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in April 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.
Or check out the climate of Cupertino for all months at once
