March weather forecast
Gilroy, CA

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A colorful sunset sky over the hilly region of Gilroy in California
A colorful sunset sky over the hilly region of Gilroy in California

Weather in March

March, the first month of the spring in Gilroy, is also an enjoyable month, with an average temperature ranging between min 40.6°F (4.8°C) and max 63.3°F (17.4°C).

Temperature

Gilroy records a slight change with March's average high-temperatures adjusting to a still refreshing 63.3°F (17.4°C) from February's 60.8°F (16°C). Gilroy reports a marked divergence from daytime peaks throughout March, with lows averaging at a cold 40.6°F (4.8°C).

Humidity

The most humid month is March, with an average relative humidity of 74%.

Rainfall

In Gilroy, California, in March, during 8.3 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, there are 43.4 rainfall days, and 3.66" (93mm) of precipitation is accumulated.

Daylight

The average length of the day in March is 11h and 59min.
On the first day of the month, sunrise is at 6:35 am and sunset at 6:01 pm PST. On the last day of March, in Gilroy, California, sunrise is at 6:52 am and sunset at 7:28 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 Gilroy, the average sunshine in March is 8.3h.

UV index

The average daily maximum UV index in March is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In March, the maximum UV index of 4 transforms into these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What is the average March temperature in Gilroy?

In Gilroy, 63.3°F (17.4°C) is the average high-temperature and 40.6°F (4.8°C) is the average low-temperature during March.

What is the most humid month in Gilroy?

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

What is the average humidity in March in Gilroy?

The average relative humidity in March in Gilroy, California, is 74%.

How much does it rain in Gilroy in March?

In Gilroy, in March, during 8.3 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

What is the average length of the day in March in Gilroy?

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

When is the sunrise / sunset in March in Gilroy?

On the first day of March in Gilroy, sunrise is at 6:35 am and sunset at 6:01 pm PST. On the last day of the month, sunrise is at 6:52 am and sunset at 7:28 pm PDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Gilroy, 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 Gilroy have in March?

In Gilroy, California, the average sunshine duration in March is 8.3h.

What is the UV index intensity in March in Gilroy?

In Gilroy, California, the average daily maximum UV index in March is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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
Gilroy, CA

Average temperature in March - Gilroy, CA
  • Average high temperature in March: 63.3°F

The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (57.6°F).

  • Average low temperature in March: 40.6°F

The months with the highest average low temperature are August and September (54.1°F).
The coldest months (with the lowest average low temperature) are February and March (40.6°F).

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Average pressure in March
Gilroy, CA

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

The month with the highest atmospheric pressure is January (30.14"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
Gilroy, CA

Average wind speed in March - Gilroy, CA
  • Average wind speed in March: 4.7mph

The windiest month (with the highest average wind speed) is May (5.3mph).
The calmest month (with the lowest average wind speed) is November (3.9mph).

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Average humidity in March
Gilroy, CA

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

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (57%).

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Average rainfall in March
Gilroy, CA

Average rainfall in March - Gilroy, CA
  • Average rainfall in March: 0.59"

The wettest month (with the highest rainfall) is December (0.83").
The driest months (with the least rainfall) are June, July and August (0").

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Average rainfall days in March
Gilroy, CA

Average rainfall days in March - Gilroy, CA
  • Average rainfall days in March: 8.3 days

The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is August (0.6 days).

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

Average daylight in March / Average sunshine in March - Gilroy, 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 42min).

  • Average sunshine in March: 8h and 2min

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
Gilroy, CA

Average sunshine days in March - Gilroy, CA
  • Average sunshine days in March: 21.4 days

The month with the most sunshine days is July (29.9 days).
The month with the least sunshine days is March (21.4 days).

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Average UV index in March
Gilroy, CA

Average UV index in March - Gilroy, 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
Gilroy, CA

Average cloud cover in March - Gilroy, 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
Gilroy, CA

Average visibility in March - Gilroy, 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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Gilroy, California, USA

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