Big Sur
California, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Big Sur, CA

The first month of the spring, March, is also an enjoyable month in Big Sur, California, with average temperature fluctuating between 63.3°F (17.4°C) and 43.3°F (6.3°C).

Temperature

In Big Sur, the average high-temperature in March is practically the same as in February - a still comfortable 63.3°F (17.4°C). The average low-temperature, in Big Sur, California, is 43.3°F (6.3°C).

Rainfall

In Big Sur, California, during 10.3 rainfall days, 6.5" (164.8mm) of precipitation is typically accumulated. Throughout the year, there are 66.4 rainfall days, and 43.7" (1109.5mm) of precipitation is accumulated.

Ocean temperature

Months with the coldest seawater in Big Sur, California, are March through May, with an average ocean temperature of 53.6°F (12°C). Swimming in 53.6°F (12°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In March, the average length of the day is 12h.

Sunshine

In Big Sur, the average sunshine in March is 9h.

UV index

In Big Sur, the average daily maximum UV index in March is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for the ordinary person.
In March, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.

What is the temperature in March in Big Sur?

In March, the average high-temperature is 63.3°F (17.4°C), and the average low-temperature is 43.3°F (6.3°C).

How much does it rain in Big Sur in March?

In Big Sur, California, in March, it is raining for 10.3 days, with typically 6.5" (164.8mm) of accumulated precipitation.

What months are the ocean coldest in Big Sur?

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

What is the ocean temperature in March in Big Sur?

In Big Sur, California, in March, the average water temperature is 53.6°F (12°C). Swimming in 53.6°F (12°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

In March, the average length of the day in Big Sur is 12h.

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

In March, the average sunshine in Big Sur, California, is 9h.

How high is the UV index in March in Big Sur?

The average daily maximum UV index in March is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the Sun's UV rays.
Average temperature in March - Big Sur, CA
  • Average high temperature in March: 63.4°F

The warmest month (with the highest average high temperature) is August (77.3°F).
The month with the lowest average high temperature is January (59.7°F).

  • Average low temperature in March: 43.4°F

The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

Average rainfall in March - Big Sur, CA
  • Average rainfall in March: 6.5"

The wettest month (with the highest rainfall) is January (9.1").
The driest month (with the lowest rainfall) is July (0").

Average rainfall days in March - Big Sur, CA
  • Average rainfall days in March: 10.3 days

The month with the highest number of rainy days is February (11.2 days).
The month with the lowest number of rainy days is July (0.3 days).

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

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

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

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in March: 9h

Months with most sunshine are May and June (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 5h).

Average UV index in March - Big Sur, CA
  • Average UV index in March: 6

Months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 2).