Santa Barbara
California, USA
Long-term weather forecast
Long-term weather forecast

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
April in Santa Barbara, California, is an agreeable spring month, with average temperature varying between 69.1°F (20.6°C) and 51.8°F (11°C).

Temperature

In Santa Barbara, the average high-temperature is almost the same as in March - a pleasant 69.1°F (20.6°C). In April, the average low-temperature is 51.8°F (11°C).

Rainfall

In April, in Santa Barbara, the rain falls for 2.9 days. Throughout April, 1.4" (35mm) of precipitation is accumulated. Throughout the year, in Santa Barbara, there are 37 rainfall days, and 18.1" (459mm) of precipitation is accumulated.

Ocean temperature

April is the month with the coldest seawater, with an average ocean temperature of 55.8°F (13.2°C).
Note: 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.

Daylight

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

Sunshine

In Santa Barbara, the average sunshine in April is 10h.

UV index

The average daily maximum UV index in April is 8. A UV Index estimate of 8 to 10 represents a very high health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: In April, the average maximum UV index of 8 translate into the following recommendations:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in April in Santa Barbara?

The average high-temperature, in April, in Santa Barbara, is 69.1°F (20.6°C), while the average low-temperature is 51.8°F (11°C).

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

In April, the rain falls for 2.9 days. Throughout April, 1.4" (35mm) of precipitation is accumulated.

When is the ocean coldest in Santa Barbara?

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

What is the ocean temperature in April in Santa Barbara?

In Santa Barbara, California, the average seawater temperature in April 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?

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

How long on average sun shines in April in Santa Barbara?

In April, the average sunshine in Santa Barbara, California, is 10h.

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

In Santa Barbara, the average daily maximum UV index in April is 8. A UV Index reading of 8 to 10 represents a very high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in April - Santa Barbara, CA
  • Average high temperature in April: 69°F

The warmest month (with the highest average high temperature) is August (76°F).
Months with the lowest average high temperature are January and December (64.7°F).

  • Average low temperature in April: 51.8°F

Months with the highest average low temperature are July and August (60.4°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).

Average rainfall in April - Santa Barbara, CA
  • Average rainfall in April: 1.4"

The wettest month (with the highest rainfall) is January (3.8").
Driest months (with the lowest rainfall) are June, July and August (0.1").

Average rainfall days in April - Santa Barbara, CA
  • Average rainfall days in April: 2.9 days

Months with the highest number of rainy days are January and March (6.5 days).
The month with the lowest number of rainy days is July (0.4 days).

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).

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 shortest days is December (Average daylight: 9.9h).

  • Average sunshine in April: 10h

The month with most sunshine is July (Average sunshine: 11h).
Months with least sunshine are January, November and December (Average sunshine: 6).

Average UV index in April - Santa Barbara, CA
  • Average UV index in April: 8

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 3).