Santa Barbara weather

Our guide to the weather in Santa Barbara during August

28

Average high

7

UV Index

4mm

Monthly rainfall

55%

Humidity

We've looked at the most up-to-date weather data for Santa Barbara, covering the last 12 years up to 2026, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Santa Barbara weather in August.

How warm is it in Santa Barbara during August?

August is typically the hottest month in Santa Barbara. The temperature hits about 28℃ during the day, falling away to a balmy 16℃ at night.The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Santa Barbara during August?

The answer is no. Santa Barbara is typically bone dry in August. You're not likely to see a thunderstorm during your trip.

Is it windy in Santa Barbara during August?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in August. With moderate humidity, any breeze will have a welcome cooling effect.

Join the club...

Be the first to hear about discounted holidays, flash sales and amazing travel competitions to Santa Barbara!

Weather in Santa Barbara

Our month-by-month guide to the weather and climate in Santa Barbara

18.4

Santa Barbara weather in

January
18.1

Santa Barbara weather in

February
18.9

Santa Barbara weather in

March
21.0

Santa Barbara weather in

April
22.6

Santa Barbara weather in

May
25.6

Santa Barbara weather in

June
27.4

Santa Barbara weather in

July
28.1

Santa Barbara weather in

August
27.8

Santa Barbara weather in

September
25.0

Santa Barbara weather in

October
21.3

Santa Barbara weather in

November
17.6

Santa Barbara weather in

December