April weather forecast and climate
Santa Barbara, CA

Orange rooftops of the courthouse buildings of Santa Barbara in California, Pacific Ocean
Orange rooftops of the courthouse buildings of Santa Barbara in California, Pacific Ocean

Weather in April

April, like March, in Santa Barbara, California, is another enjoyable spring month, with average temperature fluctuating between 66.7°F (19.3°C) and 50.4°F (10.2°C).

Temperature

In Santa Barbara, the average high-temperature in April is relatively the same as in March - a still comfortable 66.7°F (19.3°C). The average low-temperature, in Santa Barbara, is 50.4°F (10.2°C).

Humidity

In Santa Barbara, California, the average relative humidity in April is 61%.

Rainfall

In April, in Santa Barbara, the rain falls for 4.7 days. Throughout April, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 43.7 rainfall days, and 7.68" (195mm) of precipitation is accumulated.

Ocean temperature

The month with the coldest seawater is April, with an average ocean temperature of 55.8°F (13.2°C).
Note: Swimming in 55.8°F (13.2°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in April is 13.1h.

Sunshine

In Santa Barbara, the average sunshine is 11.1h.

UV index

In April, the average daily maximum UV index in Santa Barbara is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in April in Santa Barbara?

In April, the average relative humidity in Santa Barbara is 61%.

How many days does it rain in April in Santa Barbara?

In April, in Santa Barbara, the rain falls for 4.7 days. Throughout April, 0.55" (14mm) of precipitation is accumulated.

When is the ocean coldest in Santa Barbara?

With an average ocean temperature of 55.8°F (13.2°C), April is the month with the coldest seawater in Santa Barbara.

What is the water temperature in April in Santa Barbara?

In April, the average ocean temperature in Santa Barbara is 55.8°F (13.2°C). Swimming in 55.8°F (13.2°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.

What is the average length of the day in April in Santa Barbara?

In April, the average length of the day in Santa Barbara is 13.1h.

How many hours of sunshine does Santa Barbara have in April?

The average sunshine in April in Santa Barbara is 11.1h.

What is the UV index intensity in April in Santa Barbara?

In Santa Barbara, California, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in April
Santa Barbara, CA

Average temperature in April - Santa Barbara, CA
  • Average high temperature in April: 66.7°F

The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (60.6°F).

  • Average low temperature in April: 50.4°F

The month with the highest average low temperature is August (62.1°F).
The coldest month (with the lowest average low temperature) is February (47.7°F).

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Average pressure in April
Santa Barbara, CA

Average pressure in April - Santa Barbara, CA
  • Average pressure in April: 30"

The month with the highest atmospheric pressure is January (30.11").
Months with the lowest atmospheric pressure are June, August and September (29.91").

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Average wind speed in April
Santa Barbara, CA

Average wind speed in April - Santa Barbara, CA
  • Average wind speed in April: 8.1mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

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Average humidity in April
Santa Barbara, CA

Average humidity in April - Santa Barbara, CA
  • Average humidity in April: 61%

The month with the highest relative humidity is March (64%).
Months with the lowest relative humidity are September, October and November (56%).

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Average rainfall in April
Santa Barbara, CA

Average rainfall in April - Santa Barbara, CA
  • Average rainfall in April: 0.55"

The wettest month (with the highest rainfall) is January (1.57").
The driest months (with the least rainfall) are June and August (0.08").

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Average rainfall days in April
Santa Barbara, CA

Average rainfall days in April - Santa Barbara, CA
  • Average rainfall days in April: 4.7 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.2 days).

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Average sea temperature in April
Santa Barbara, CA

Average sea temperature in April - Santa Barbara, CA
  • Average sea temperature in April: 55.7°F

The best month for swimming (with the highest average sea temperature) is August (62.2°F).
The coldest month (with the lowest average sea temperature) is April (55.7°F).

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Average daylight in April /
Average sunshine in April
Santa Barbara, CA

Average daylight in April / Average sunshine in April - Santa Barbara, CA
  • Average daylight in April: 13.1h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in April: 11.1h

Months with the most sunshine are June and July (Average sunshine: 12h).
The month with the least sunshine is February (Average sunshine: 6.6h).

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Average sunshine days in April
Santa Barbara, CA

Average sunshine days in April - Santa Barbara, CA
  • Average sunshine days in April: 25.2 days

The month with the most sunshine days is August (28 days).
The month with the least sunshine days is February (21.6 days).

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Average UV index in April
Santa Barbara, CA

Average UV index in April - Santa Barbara, CA
  • Average UV index in April: 5

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in April
Santa Barbara, CA

Average cloud cover in April - Santa Barbara, CA
  • Average cloud cover in April: 16

The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in April
Santa Barbara, CA

Average visibility in April - Santa Barbara, CA
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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