San Luis Obispo weather in August 2025

The temperatures in San Luis Obispo in August are comfortable with low of 16°C and and high up to 27°C.

As it is almost never rain during August in San Luis Obispo the weather is perfect for hanging out outside and exploring all that San Luis Obispo has to offer.

Our weather forecast can give you a great sense of what weather to expect in San Luis Obispo in August 2025.

If you’re planning to visit San Luis Obispo in the near future, we highly recommend that you review the 14 day weather forecast for San Luis Obispo before you arrive.

Temperatures

27° / 16°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

11.7

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
					1 26° /15°	2 26° /14°
3 29° /14°	4 28° /14°	5 30° /15°	6 30° /16°	7 27° /14°	8 26° /14°	9 26° /14°
10 28° /16°	11 27° /14°	12 27° /15°	13 28° /15°	14 28° /15°	15 29° /15°	16 29° /15°
17 27° /15°	18 26° /13°	19 27° /14°	20 30° /15°	21 28° /15°	22 26° /15°	23 29° /14°
24 25° /12°	25 27° /13°	26 27° /14°	27 28° /14°	28 27° /14°	29 28° /13°	30 29° /14°
31 27° /13°

Explore the weather in San Luis Obispo in other months

San Luis Obispo annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	18° / 8°	3	28	95 mm	Good	San Luis Obispo in January
February	18° / 7°	4	25	74 mm	Good	San Luis Obispo in February
March	19° / 8°	3	28	80 mm	Good	San Luis Obispo in March
April	21° / 9°	2	28	24 mm	Good	San Luis Obispo in April
May	22° / 10°	1	31	9 mm	Good	San Luis Obispo in May
June	25° / 13°	0	30	2 mm	Perfect	San Luis Obispo in June
July	27° / 15°	0	31	7 mm	Perfect	San Luis Obispo in July
August	27° / 16°	0	31	1 mm	Perfect	San Luis Obispo in August
September	28° / 16°	0	30	6 mm	Perfect	San Luis Obispo in September
October	24° / 14°	1	30	22 mm	Perfect	San Luis Obispo in October
November	20° / 10°	2	29	31 mm	Good	San Luis Obispo in November
December	16° / 7°	3	28	65 mm	Good	San Luis Obispo in December

Temperatures in San Luis Obispo in August

Rain in San Luis Obispo in August

Weather in San Luis Obispo in August - FAQ

What is the average temperature in San Luis Obispo in August?

The average temperature in San Luis Obispo in August is 16/27° C.

What is the chance of rain in San Luis Obispo in August?

On average, there are 0 rainy days in San Luis Obispo during August.

Weather wise, is August a good time to visit San Luis Obispo?

The weather in San Luis Obispo in August is perfect.

Can it snow in San Luis Obispo in August?

On average, there are 0 snowy days in San Luis Obispo in August.

More about the weather in San Luis Obispo