Santa Barbara in August

In August, Santa Barbara averages 29°C (85°F) during the day and 19°C (66°F) at night, with only about 1 rainy day.

High season

Conditions are warm and beach-friendly. Skies are generally dry and clear.

It's peak hurricane season in Santa Barbara during August. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.

29°C
Avg high
19°C
Avg low
1
Rain days
4 mm
Rainfall

How August compares to the rest of the year in Santa Barbara

1st
warmest month of the 12
10th
wettest month of the 12
1%
of yearly rainfall falls in August
13 h 27 min
daylight on the 15th

August is one of the warmest months in Santa Barbara (1st of 12) and one of the driest months (10th of 12). Daytime temperature runs 5°C above the annual average (24°C). August runs 1°C warmer than July (28°C) and cools 1°C in September (29°C).

August sunrise & sunset in Santa Barbara

🌅
Sunrise (15th)
6:19 AM
🌇
Sunset (15th)
7:46 PM
Day length
13 h 27 min

Times shown for Santa Barbara local time (America/Los_Angeles), calculated for the 15th of August. They shift by a few minutes day to day across the month.

Photography light in Santa Barbara — August

Golden-hour and blue-hour windows for the 15th of August, in Santa Barbara's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:19 AM – 5:59 AM
🌄 Golden hour (AM)
5:59 AM – 6:59 AM
🌇 Golden hour (PM)
7:06 PM – 8:06 PM
🌆 Blue hour (PM)
8:06 PM – 8:46 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Santa Barbara.

📅 When to book — Santa Barbara in August

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (High season) and Santa Barbara's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones. ⚠ Peak hazard season — book flexible-change tickets and travel insurance with weather-disruption coverage.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — August in Santa Barbara

High season

This is a busy month in Santa Barbara — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: comfortable tourism weather Northern Hemisphere summer holidays beach-season conditions peak hazard season (1 active)

Sun & mosquito risk — August in Santa Barbara

☀️ UV Index (noon, 15th)
11.9
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●○○
Moderate
Active mosquito season. DEET 25-30% repellent recommended, especially at dawn/dusk.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Santa Barbara in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 19°C / 67°F 9°C / 49°F 123 mm 6
February 20°C / 68°F 9°C / 48°F 69 mm 5
March 21°C / 69°F 10°C / 50°F 92 mm 8
April 23°C / 74°F 12°C / 53°F 22 mm 3
May 23°C / 74°F 13°C / 56°F 14 mm 3
June 26°C / 79°F 16°C / 61°F 5 mm 1
July 28°C / 83°F 19°C / 65°F 2 mm 0
August 29°C / 85°F 19°C / 66°F 4 mm 1
September 29°C / 83°F 18°C / 65°F 5 mm 1
October 27°C / 80°F 15°C / 60°F 12 mm 2
November 23°C / 73°F 12°C / 53°F 26 mm 3
December 19°C / 66°F 9°C / 48°F 92 mm 6

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Santa Barbara in August →

Frequently asked questions

How hot is Santa Barbara in August?

In August, Santa Barbara averages a high of 29°C (85°F) and a low of 19°C (66°F) — generally warm.

Does it rain a lot in Santa Barbara in August?

August is generally dry in Santa Barbara, with about 1 rainy day on average.

Is August a good time to visit Santa Barbara?

August is warm and mostly dry. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Santa Barbara in August?

Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full August packing list for Santa Barbara for a complete, climate-based checklist.

Open Santa Barbara on the interactive map

Check the live 10-day forecast and sunrise/sunset.