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

August 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
The last month of the summer, August, is also a moderately hot month in Santa Barbara, California, with average temperature ranging between min 60.4°F (15.8°C) and max 75.9°F (24.4°C).

Temperature

With an average high-temperature of 75.9°F (24.4°C) and an average low-temperature of 60.4°F (15.8°C), August is the warmest month.

Rainfall

Months with the least rainfall are June through August Rain falls for 0.5 days and accumulates 0.1" (3mm) of rain.

Ocean temperature

July and August, with an average ocean temperature of 62.2°F (16.8°C), are months with the warmest seawater in Santa Barbara.
Note: For swimming, a surface water temperature of 62.2°F (16.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in Santa Barbara is 13.4h.

Sunshine

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

UV index

In Santa Barbara, the average daily maximum UV index in August is 9. A UV Index estimate of 8 to 10 represents a very high health risk from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 9 interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. 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. 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.

What is the warmest month in Santa Barbara?

August is the warmest month, with an average high-temperature of 75.9°F (24.4°C) and an average low-temperature of 60.4°F (15.8°C).

What is the temperature in August in Santa Barbara?

In August, in Santa Barbara, the average high-temperature is 75.9°F (24.4°C), and the average low-temperature is 60.4°F (15.8°C).

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

In Santa Barbara, in August, during 0.5 rainfall days, 0.1" (3mm) of precipitation is typically accumulated.

What is the driest month in Santa Barbara?

Months with the least rainfall in Santa Barbara are June through August Rain falls for 0.5 days and accumulates 0.1" (3mm) of rain.

When is the ocean warmest in Santa Barbara?

July and August, with an average ocean temperature of 62.2°F (16.8°C), are months with the warmest seawater in Santa Barbara, California.

What is the ocean temperature in August in Santa Barbara?

In Santa Barbara, the average seawater temperature in August is 62.2°F (16.8°C). Swimming in 62.2°F (16.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

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

In Santa Barbara, the average length of the day in August is 13.4h.

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

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

How high is the UV index in August in Santa Barbara?

In August, the average daily maximum UV index in Santa Barbara, California, is 9. A UV Index value of 8 to 10 symbolizes a very high health risk from the exposure to the Sun's UV radiation.
Average temperature in August - Santa Barbara, CA
  • Average high temperature in August: 76°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 August: 60.4°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 August - Santa Barbara, CA
  • Average rainfall in August: 0.1"

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 August - Santa Barbara, CA
  • Average rainfall days in August: 0.5 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 August - Santa Barbara, CA
  • Average sea temperature in August: 62.2°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 August / Average sunshine in August - Santa Barbara, CA
  • Average daylight in August: 13.4h

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 August: 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 August - Santa Barbara, CA
  • Average UV index in August: 9

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).