April weather forecast
Big Sur, CA

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Weather in April

April signals the advent of the spring season in Big Sur, carrying with it an alluring blend of weather patterns. The cold stiffness of the previous months begins to wane as warm beckons usher in. A notable drop in rainfall emerges, plummeting to 0.87" (22mm) distributed over 7.7 days. The resplendent palette of blossoming spring in combination with the intermittent rain showers personify the captivating charm of the season, promising pleasant days riddled with the vibrant hues of wildflowers.

Temperature

Upon the beginning of April, Big Sur's high-temperatures register at a still moderate 60.1°F (15.6°C), closely mirroring the preceding month. Nighttime temperatures in Big Sur consistently average a chilly 48.4°F (9.1°C) during April.

Humidity

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

Rainfall

In Big Sur, during April, the rain falls for 7.7 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, in Big Sur, there are 70 rainfall days, and 11.93" (303mm) of precipitation is accumulated.

Ocean temperature

The months with the coldest seawater are March through May, with an average ocean temperature of 53.6°F (12°C).
Note: In 53.6°F (12°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health.

Daylight

In Big Sur, the average length of the day in April is 13h and 9min.
On the first day of April, sunrise is at 6:51 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:54 pm PDT.

Sunshine

In April, the average sunshine in Big Sur, California, is 10.3h.

UV index

In Big Sur, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 4 during April leads to these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What are the temperatures in Big Sur in April?

During April, Big Sur experiences an average high-temperature of 60.1°F (15.6°C) and a low-temperature of 48.4°F (9.1°C).

What is the average humidity in April in Big Sur?

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

How much does it rain in Big Sur in April?

In Big Sur, California, in April, it is raining for 7.7 days, with typically 0.87" (22mm) of accumulated precipitation.

What are the months with the coldest ocean in Big Sur?

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

What is the ocean temperature in April in Big Sur?

In Big Sur, in April, the average water 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.

What is the average length of the day in April in Big Sur?

The average day length in April in Big Sur, California, is 13h and 9min.

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

On the first day of April, sunrise is at 6:51 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:54 pm PDT.

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

The average sunshine duration in April in Big Sur is 10.3h.

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

In April, the average daily maximum UV index in Big Sur, California, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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 April
Big Sur, CA

Average temperature in April - Big Sur, CA
  • Average high temperature in April: 60.1°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 April: 48.4°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 April
Big Sur, CA

Average pressure in April - Big Sur, CA
  • Average pressure in April: 30.04"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 April
Big Sur, CA

Average wind speed in April - Big Sur, CA
  • Average wind speed in April: 8.5mph

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 April
Big Sur, CA

Average humidity in April - Big Sur, CA
  • Average humidity in April: 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 April
Big Sur, CA

Average rainfall in April - Big Sur, CA
  • Average rainfall in April: 0.87"

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 April
Big Sur, CA

Average rainfall days in April - Big Sur, CA
  • Average rainfall days in April: 7.7 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 April
Big Sur, CA

Average sea temperature in April - Big Sur, CA
  • Average sea temperature in April: 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 April /
Average sunshine in April
Big Sur, CA

Average daylight in April / Average sunshine in April - Big Sur, CA
  • Average daylight in April: 13h and 1min

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 April: 10h and 2min

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 April
Big Sur, CA

Average sunshine days in April - Big Sur, CA
  • Average sunshine days in April: 21.3 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 April
Big Sur, CA

Average UV index in April - Big Sur, CA
  • Average UV index in April: 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 April
Big Sur, CA

Average cloud cover in April - Big Sur, CA
  • Average cloud cover in April: 28

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 April
Big Sur, CA

Average visibility in April - Big Sur, CA
  • Average visibility in April: 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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