March weather forecast
Cupertino, CA

Weather in March

March, the first month of the spring, in Cupertino, is an enjoyable month, with average temperature fluctuating between 44.2°F (6.8°C) and 61.7°F (16.5°C).

Temperature

In March, the average high-temperature is essentially the same as in February - a comfortable 61.7°F (16.5°C). In Cupertino, the average low-temperature is 44.2°F (6.8°C).

Humidity

March is the most humid month in Cupertino, with an average relative humidity of 74%.

Rainfall

In Cupertino, in March, it is raining for 9 days, with typically 0.91" (23mm) of accumulated precipitation. In Cupertino, during the entire year, the rain falls for 53.6 days and collects up to 5.39" (137mm) of precipitation.

Daylight

In Cupertino, the average length of the day is 12h.

Sunshine

The average sunshine in Cupertino is 7.9h.

UV index

The average daily maximum UV index in Cupertino is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 in March interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the most humid month in Cupertino?

With an average relative humidity of 74%, March is the most humid month.

What is the average humidity in March in Cupertino?

In Cupertino, the average relative humidity in March is 74%.

How much does it rain in Cupertino in March?

In March, the rain falls for 9 days. Throughout March, 0.91" (23mm) of precipitation is accumulated.

How many hours of daylight does Cupertino have in March?

The average length of the day in March in Cupertino is 12h.

How long on average sun shines in March in Cupertino?

In Cupertino, California, the average sunshine in March is 7.9h.

How high is the UV index in March in Cupertino?

In March, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in March
Cupertino, CA

Average temperature in March - Cupertino, CA
  • Average high temperature in March: 61.7°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (57°F).

  • Average low temperature in March: 44.2°F

The month with the highest average low temperature is August (56.1°F).
The coldest months (with the lowest average low temperature) are February and March (44.2°F).

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Average pressure in March
Cupertino, CA

Average pressure in March - Cupertino, CA
  • Average pressure in March: 30.08"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.92").

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Average wind speed in March
Cupertino, CA

Average wind speed in March - Cupertino, CA
  • Average wind speed in March: 6mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.6mph).

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Average humidity in March
Cupertino, CA

Average humidity in March - Cupertino, CA
  • Average humidity in March: 74%

The month with the highest relative humidity is March (74%).
Months with the lowest relative humidity are July, September and October (64%).

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Average rainfall in March
Cupertino, CA

Average rainfall in March - Cupertino, CA
  • Average rainfall in March: 0.91"

The wettest month (with the highest rainfall) is February (1.02").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in March
Cupertino, CA

Average rainfall days in March - Cupertino, CA
  • Average rainfall days in March: 9 days

The month with the highest number of rainy days is March (9 days).
The month with the least rainy days is August (0.8 days).

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Average daylight in March /
Average sunshine in March
Cupertino, CA

Average daylight in March / Average sunshine in March - Cupertino, CA
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in March: 7.9h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.9h).

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Average sunshine days in March
Cupertino, CA

Average sunshine days in March - Cupertino, CA
  • Average sunshine days in March: 20.8 days

The month with the most sunshine days is August (28.5 days).
Months with the least sunshine days are February and March (20.8 days).

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Average UV index in March
Cupertino, CA

Average UV index in March - Cupertino, CA
  • Average UV index in March: 4

The month with the highest UV index is June (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in March
Cupertino, CA

Average cloud cover in March - Cupertino, CA
  • Average cloud cover in March: 35

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 7).

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Average visibility in March
Cupertino, CA

Average visibility in March - Cupertino, CA
  • Average visibility in March: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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