April weather forecast
Santa Barbara, CA

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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

The month of April is characterized by slightly warmer temperatures with average highs reaching 66.7°F (19.3°C) while lows stabilize around 50.4°F (10.2°C). Rainfall in April takes a strong dip from March, sliding down to a monthly average of 0.55" (14mm). The amount of sunshine enjoyed by residents increases to about 11.1 hours a day. As the city leaves April behind, it steps into the even warmer, sunnier, and drier days of May.

Temperature

The high-temperature average in April for Santa Barbara, California, is a still enjoyable 66.7°F (19.3°C), staying closely aligned with March's conditions. Santa Barbara's average low-temperature for the month of April records at a fresh 50.4°F (10.2°C).

Humidity

In April, the average relative humidity is 61%.

Rainfall

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

Ocean temperature

With an average ocean temperature of 55.8°F (13.2°C), April is the month with the coldest seawater.
Note: If planning to swim in 55.8°F (13.2°C) under 50°F (10°C), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 55.4°F (13°C) is not much warmer.

Daylight

In Santa Barbara, California, the average length of the day in April is 13h and 4min.
On the first day of the month, sunrise is at 6:44 am and sunset at 7:20 pm. On the last day of April, in Santa Barbara, sunrise is at 6:08 am and sunset at 7:42 pm PDT.

Sunshine

The average sunshine in April 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 exposure to the Sun's UV radiation for the average person.
Note: In April, the average maximum UV index of 5 translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What are the temperatures in Santa Barbara in April?

In Santa Barbara, 66.7°F (19.3°C) is the average high-temperature and 50.4°F (10.2°C) is the average low-temperature during April.

What is the average humidity in April in Santa Barbara?

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

How much does it rain in Santa Barbara in April?

In Santa Barbara, California, in April, it is raining for 4.7 days, with typically 0.55" (14mm) of accumulated precipitation.

What is the month with the coldest ocean in Santa Barbara?

The month with the coldest seawater in Santa Barbara is April, 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, in April, the average water temperature is 55.8°F (13.2°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 Santa Barbara?

In Santa Barbara, the average day length in April is 13h and 4min.

What time are sunrise and sunset in April in Santa Barbara?

In April, on the first day of the month, sunrise is at 6:44 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:42 pm PDT.

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

In April, the average sunshine duration in Santa Barbara is 11.1h.

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

In April, the average daily maximum UV index in Santa Barbara, California, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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 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"Hg

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

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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%).
The 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: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in April: 11h and 1min

The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

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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

The months with the highest UV index are June, July, August and September (UV index 6).
The 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

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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Santa Barbara, California, USA

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