March weather forecast
Santa Clara, CA

Share

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, California, in March witnesses an average high-temperature of a still refreshing 62.2°F (16.8°C), indicating a slight variation from February's 59.9°F (15.5°C). Throughout March, an average low-temperature of 43.9°F (6.6°C) is expected.

Humidity

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

Rainfall

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

Daylight

The average length of the day in March is 11h and 59min.
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 March, 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

The average sunshine in March is 7.9h.

UV index

In March, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In March, a daily UV index of 4 turns into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Santa Clara in March?

In March, in Santa Clara, the average high-temperature is 62.2°F (16.8°C), and the average low-temperature is 43.9°F (6.6°C).

What is the most humid month?

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

What is the average humidity in March in Santa Clara?

In March, the average relative humidity is 73%.

What is the rainiest month?

The month with the most rainfall is March, when the rain falls for 12.9 days and typically aggregates up to 1.77" (45mm) of precipitation.

How much does it rain in March?

In Santa Clara, in March, it is raining for 12.9 days, with typically 1.77" (45mm) of accumulated precipitation.

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

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

When are sunrise and sunset in March?

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, sunrise is at 6:53 am and sunset at 7:30 pm PDT.

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

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

How long on average sun shines in March?

The average sunshine duration in March is 7.9h.

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

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

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).

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).

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%).

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").

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).

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).

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).

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).

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).

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).

Santa Clara, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location