March weather forecast
Millbrae, CA

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Weather in March

March, the first month of the spring in Millbrae, is still a mild month, with an average temperature varying between 58.8°F (14.9°C) and 48.2°F (9°C).

Temperature

During March, the average high-temperature is a still moderate 58.8°F (14.9°C), maintaining a close resemblance to that of the preceding month. During March, an average low-temperature of 48.2°F (9°C) is observed.

Humidity

In Millbrae, the average relative humidity in March is 76%.

Rainfall

In March, in Millbrae, the rain falls for 12.8 days. Throughout March, 2.2" (56mm) of precipitation is accumulated. In Millbrae, during the entire year, the rain falls for 81.5 days and collects up to 12.8" (325mm) of precipitation.

Daylight

In Millbrae, the average length of the day in March is 11h and 59min.
On the first day of the month, sunrise is at 6:39 am and sunset at 6:03 pm PST. On the last day of March, sunrise is at 6:54 am and sunset at 7:31 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 in Millbrae is 7.8h.

UV index

In Millbrae, 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 unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 4 in March translates into these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

What is the usual temperature for Millbrae in March?

In Millbrae, 58.8°F (14.9°C) is the average high-temperature and 48.2°F (9°C) is the average low-temperature during March.

What is the average humidity in March in Millbrae?

The average relative humidity in March in Millbrae, California, is 76%.

How many days does it rain in March in Millbrae?

In Millbrae, in March, during 12.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

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

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

When are sunrise and sunset in March in Millbrae?

In March, on the first day of the month, sunrise is at 6:39 am and sunset at 6:03 pm PST. On the last day of the month, in Millbrae, California, sunrise is at 6:54 am and sunset at 7:31 pm PDT.

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

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

In March, the average sunshine duration in Millbrae is 7.8h.

What is the UV index intensity in March in Millbrae?

In March, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Millbrae, CA

Average temperature in March - Millbrae, CA
  • Average high temperature in March: 58.8°F

The warmest month (with the highest average high temperature) is September (70.2°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in March: 48.2°F

The month with the highest average low temperature is September (56.8°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).

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Average pressure in March
Millbrae, CA

Average pressure in March - Millbrae, CA
  • Average pressure in March: 30.07"Hg

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

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Average wind speed in March
Millbrae, CA

Average wind speed in March - Millbrae, CA
  • Average wind speed in March: 8mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is September (6.1mph).

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Average humidity in March
Millbrae, CA

Average humidity in March - Millbrae, CA
  • Average humidity in March: 76%

The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in March
Millbrae, CA

Average rainfall in March - Millbrae, CA
  • Average rainfall in March: 2.2"

The wettest month (with the highest rainfall) is February (2.44").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in March
Millbrae, CA

Average rainfall days in March - Millbrae, CA
  • Average rainfall days in March: 12.8 days

The month with the highest number of rainy days is March (12.8 days).
The months with the least rainy days are June and July (2.4 days).

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

Average daylight in March / Average sunshine in March - Millbrae, 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: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in March
Millbrae, CA

Average sunshine days in March - Millbrae, CA
  • Average sunshine days in March: 16.3 days

The month with the most sunshine days is July (24.6 days).
The month with the least sunshine days is March (16.3 days).

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Average UV index in March
Millbrae, CA

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

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February and December (UV index 3).

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Average cloud cover in March
Millbrae, CA

Average cloud cover in March - Millbrae, CA
  • Average cloud cover in March: 36

The month with the most cloud cover is March (Cloud cover 36).
The months with the least cloud cover are July and September (Cloud cover 15).

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Average visibility in March
Millbrae, CA

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

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