August weather forecastSanta Barbara, CA
August
Weather in August
Although temperatures in August drop slightly from July, reaching an average high of 79.2°F (26.2°C) and low of 62.1°F (16.7°C), it remains one of Santa Barbara's hottest months. Taking advantage of the warm temperatures, tourists often flock to the beaches. Rainfall continues to stay negligible at 0.08" (2mm) over the span of 1.3 days. Moving from August to September, the city experiences a bit cooler days and nights.Temperature
August is the warmest month in Santa Barbara, exhibiting average temperatures of 79.2°F (26.2°C) at the peak and 62.1°F (16.7°C) at the base.Humidity
In Santa Barbara, the average relative humidity in August is 58%.Rainfall
The months with the least rainfall are June and August Rain falls for 1.3 days and accumulates 0.08" (2mm) of rain.Ocean temperature
The months with the warmest seawater are July and August, with an average ocean temperature of 62.2°F (16.8°C).Note: Most people find it challenging to enjoy swimming in water that is 62.2°F (16.8°C). As water temperature falls below 69.8°F (21°C), controlling breathing grows increasingly difficult.
Daylight
In August, the average length of the day is 13h and 24min.On the first day of the month, sunrise is at 6:10 am and sunset at 8:00 pm. On the last day of August, sunrise is at 6:31 am and sunset at 7:25 pm PDT.
Sunshine
The average sunshine in August in Santa Barbara is 11.9h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Santa Barbara, CA
- Average high temperature in August: 79.2°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 August: 62.1°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).
Average pressure in August
Santa Barbara, CA
- Average pressure in August: 29.91"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).
Average wind speed in August
Santa Barbara, CA
- Average wind speed in August: 5.7mph
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).
Average humidity in August
Santa Barbara, CA
- Average humidity in August: 58%
The month with the highest relative humidity is March (64%).
The months with the lowest relative humidity are September, October and November (56%).
Average rainfall in August
Santa Barbara, CA
- Average rainfall in August: 0.08"
The wettest month (with the highest rainfall) is January (1.57").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in August
Santa Barbara, CA
- Average rainfall days in August: 1.3 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).
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: 13h and 24min
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 August: 11h and 54min
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).
Average sunshine days in August
Santa Barbara, CA
- Average sunshine days in August: 28 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in August
Santa Barbara, CA
- Average UV index in August: 6
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).
Average cloud cover in August
Santa Barbara, CA
- Average cloud cover in August: 5
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in August
Santa Barbara, CA
- Average visibility in August: 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).
