March weather forecast
Big Sur, CA

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Weather in March

As March proceeds, the cold fingers of winter gradually loosen their grip over Big Sur. An imperceptible rise in temperature is observed from the previous month. However, it’s the month's distinct propensity for rain that diverts attention, with the town experiencing its highest rainfall of the year by reaching 2.05" (52mm) over 12.3 days. Embrace a series of rainy days and delve into the tranquility that engulfs Big Sur, highlighting the iconic beauty of the Californian coastline contrasts against the grey skies.

Temperature

Big Sur's March reports an average high-temperature of a still moderate 58.5°F (14.7°C), exhibiting a minor difference from February. Big Sur cools down to an average low-temperature of 47.7°F (8.7°C) throughout the month of March.

Humidity

In Big Sur, the average relative humidity in March is 77%.

Rainfall

In Big Sur, in March, it is raining for 12.3 days, with typically 2.05" (52mm) of accumulated precipitation. In Big Sur, during the entire year, the rain falls for 70 days and collects up to 11.93" (303mm) of precipitation.

Ocean temperature

March through May, with an average ocean temperature of 53.6°F (12°C), are months with the coldest seawater in Big Sur.
Note: One needs to be cautious in 53.6°F (12°C) waters. 55.4°F (13°C) is already forbidding, but sub14°F (-10°C) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.

Daylight

In March, the average length of the day in Big Sur is 11h and 59min.
On the first day of March in Big Sur, sunrise is at 6:36 am and sunset at 6:02 pm PST. On the last day of the month, sunrise is at 6:53 am and sunset at 7:28 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 March, the average sunshine in Big Sur is 7.9h.

UV index

In Big Sur, 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 unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 during March translates into the following directions:
Undertake precautions - Guarding against sun damage is counselled. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What is the temperature in March in Big Sur?

The average high-temperature, in March, in Big Sur, is 58.5°F (14.7°C), while the average low-temperature is 47.7°F (8.7°C).

What is the average humidity in March in Big Sur?

The average relative humidity in March in Big Sur is 77%.

How many days does it rain in March in Big Sur?

In Big Sur, during March, the rain falls for 12.3 days and regularly aggregates up to 2.05" (52mm) of precipitation.

What months are the ocean coldest in Big Sur?

The months with the coldest seawater in Big Sur are March through May, with an average ocean temperature of 53.6°F (12°C).

What is the ocean temperature in March in Big Sur?

In March, the average ocean temperature is 53.6°F (12°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Big Sur have in March?

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

When is the sunrise / sunset in March in Big Sur?

On the first day of March, sunrise is at 6:36 am and sunset at 6:02 pm PST. On the last day of the month, sunrise is at 6:53 am and sunset at 7:28 pm PDT.

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

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 many hours of sunshine does Big Sur have in March?

The average sunshine duration in March in Big Sur, California, is 7.9h.

What is the UV index intensity in March in Big Sur?

In Big Sur, California, the average daily maximum UV index in March is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Big Sur, CA

Average temperature in March - Big Sur, CA
  • Average high temperature in March: 58.5°F

The warmest month (with the highest average high temperature) is September (69.6°F).
The month with the lowest average high temperature is December (57°F).

  • Average low temperature in March: 47.7°F

The month with the highest average low temperature is September (55.4°F).
The coldest month (with the lowest average low temperature) is December (46.9°F).

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Average pressure in March
Big Sur, CA

Average pressure in March - Big Sur, 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 (29.93"Hg).

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Average wind speed in March
Big Sur, CA

Average wind speed in March - Big Sur, CA
  • Average wind speed in March: 8.1mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in March
Big Sur, CA

Average humidity in March - Big Sur, CA
  • Average humidity in March: 77%

The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is November (70%).

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Average rainfall in March
Big Sur, CA

Average rainfall in March - Big Sur, CA
  • Average rainfall in March: 2.05"

The wettest month (with the highest rainfall) is December (2.48").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in March
Big Sur, CA

Average rainfall days in March - Big Sur, CA
  • Average rainfall days in March: 12.3 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (1.3 days).

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Average sea temperature in March
Big Sur, CA

Average sea temperature in March - Big Sur, CA
  • Average sea temperature in March: 54°F

The best months for swimming (with the highest average sea temperature) are August, September and October (59°F).
The coldest months (with the lowest average sea temperature) are March, April and May (54°F).

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Average daylight in March /
Average sunshine in March
Big Sur, CA

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

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

  • Average sunshine in March: 7h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in March
Big Sur, CA

Average sunshine days in March - Big Sur, CA
  • Average sunshine days in March: 17.3 days

The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (17.3 days).

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Average UV index in March
Big Sur, CA

Average UV index in March - Big Sur, CA
  • Average UV index in March: 4

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

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Average cloud cover in March
Big Sur, CA

Average cloud cover in March - Big Sur, 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 13).

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Average visibility in March
Big Sur, CA

Average visibility in March - Big Sur, 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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Big Sur, California, USA

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