March weather forecast
Santa Clara, CA

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Weather in March

March signals the arrival of spring in Santa Clara with a visible rise in temperatures. The warm weather and higher temperature are counterbalanced by an increase in humidity and rainfall. Among the notable weather factors, March sees a remarkable spike in the number of rainy days to 12.9 per month. But it’s not all rain in March; the length of daily sunshine hours increases, giving residents more opportunities to enjoy outdoor activities. The city takes on a particularly picturesque appearance during this period due to the blooming of numerous flowers and plants.

Temperature

Santa Clara registers an average high-temperature of an enjoyable 62.2°F (16.8°C) with the arrival of March, showing minor deviation from the preceding month. During March, Santa Clara sees a mean low-temperature of 43.9°F (6.6°C).

Humidity

March is the most humid month in Santa Clara, with an average relative humidity of 73%.

Rainfall

March is the month with the most rainfall in Santa Clara. Rain falls for 12.9 days and accumulates 1.77" (45mm) of precipitation.

Daylight

The average length of the day in March in Santa Clara is 11h and 59min.
On the first day of March, sunrise is at 6:37 am and sunset at 6:02 pm PST. On the last day of the month, sunrise is at 6:53 am and sunset at 7:30 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.

Sunshine

In March, the average sunshine is 7.9h.

UV index

In March, the average daily maximum UV index in Santa Clara is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 4 in March transforms into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the usual temperature for Santa Clara in March?

The average high-temperature and low-temperature during March are 62.2°F (16.8°C) and 43.9°F (6.6°C) respectively.

What is the most humid month in Santa Clara?

March is the most humid month in Santa Clara, California, with an average relative humidity of 73%.

What is the average humidity in March in Santa Clara?

In Santa Clara, the average relative humidity in March is 73%.

What is the wettest month in Santa Clara?

March is the month with the most rainfall in Santa Clara, California. Rain falls for 12.9 days and accumulates 1.77" (45mm) of precipitation.

How many days does it rain in March in Santa Clara?

In Santa Clara, in March, during 12.9 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

How many hours of daylight does Santa Clara have in March?

In March, the average day length in Santa Clara is 11h and 59min.

When is the sunrise / sunset in March in Santa Clara?

In March, on the first day of the month, sunrise is at 6:37 am and sunset at 6:02 pm PST. On the last day of the month, in Santa Clara, California, sunrise is at 6:53 am and sunset at 7:30 pm PDT.

When does Daylight Saving Time (DST) start in March in Santa Clara?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Santa Clara, and the time zone changes from PST to PDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Santa Clara have in March?

In March, the average sunshine duration in Santa Clara is 7.9h.

What is the UV index intensity in March in Santa Clara?

In March, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Santa Clara, CA

Average temperature in March - Santa Clara, CA
  • Average high temperature in March: 62.2°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (56.7°F).

  • Average low temperature in March: 43.9°F

The month with the highest average low temperature is August (56.3°F).
The coldest months (with the lowest average low temperature) are January and February (43.3°F).

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Average pressure in March
Santa Clara, CA

Average pressure in March - Santa Clara, CA
  • Average pressure in March: 30.08"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in March
Santa Clara, CA

Average wind speed in March - Santa Clara, CA
  • Average wind speed in March: 5.6mph

The windiest months (with the highest average wind speed) are April and May (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

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Average humidity in March
Santa Clara, CA

Average humidity in March - Santa Clara, CA
  • Average humidity in March: 73%

The month with the highest relative humidity is March (73%).
The months with the lowest relative humidity are July and September (61%).

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Average rainfall in March
Santa Clara, CA

Average rainfall in March - Santa Clara, CA
  • Average rainfall in March: 1.77"

The wettest month (with the highest rainfall) is March (1.77").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in March
Santa Clara, CA

Average rainfall days in March - Santa Clara, CA
  • Average rainfall days in March: 12.9 days

The month with the highest number of rainy days is March (12.9 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
Santa Clara, CA

Average daylight in March / Average sunshine in March - Santa Clara, CA
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in March: 7h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in March
Santa Clara, CA

Average sunshine days in March - Santa Clara, CA
  • Average sunshine days in March: 16.7 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (16.7 days).

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Average UV index in March
Santa Clara, CA

Average UV index in March - Santa Clara, CA
  • Average UV index in March: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in March
Santa Clara, CA

Average cloud cover in March - Santa Clara, 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 6).

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Average visibility in March
Santa Clara, CA

Average visibility in March - Santa Clara, CA
  • Average visibility in March: 6mi

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

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Santa Clara, California, USA

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