San Luis Obispo
August
Weather in San Luis Obispo for August 2025
Your guide to San Luis Obispo weather in August - trends and predictions
In general, the average temperature in San Luis Obispo at the beginning of August is 27.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 26.4 °F by the end of August.
Precipitation in San Luis Obispo during August is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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31
Dry days
0
Rainy days
0
Snow days
27°/15°
Temperatures
14 km/h
Avg max wind
57 %
Avg humidity
San Luis Obispo Weather August
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  26° | 2 27° | |||||
| 3 29° | 4 26° | 5 28° | 6 31° | 7 28° | 8 27° | 9 28° |
| 10 31° | 11  28° | 12 25° | 13 27° | 14 27° | 15 30° | 16 29° |
| 17 24° | 18 25° | 19 26° | 20 33° | 21 29° | 22 21° | 23  22° |
| 24 24° | 25 29° | 26 30° | 27 28° | 28  24° | 29 24° | 30 25° |
| 31 25° |
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Temperatures trend during August in San Luis Obispo
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Sunny | 26° /15° | 0 mm | 7 | |
| Aug. 2 | Sunny | 27° /15° | 0 mm | 7 | |
| Aug. 3 | Sunny | 29° /16° | 0 mm | 7 | |
| Aug. 4 | Sunny | 26° /15° | 0 mm | 7 | |
| Aug. 5 | Sunny | 28° /15° | 0 mm | 7 | |
| Aug. 6 | Sunny | 31° /18° | 0 mm | 8 | |
| Aug. 7 | Sunny | 28° /16° | 0 mm | 7 | |
| Aug. 8 | Sunny | 27° /16° | 0 mm | 7 | |
| Aug. 9 | Sunny | 28° /15° | 0 mm | 7 | |
| Aug. 10 | Sunny | 31° /18° | 0 mm | 8 | |
| Aug. 11 | Partly cloudy | 28° /15° | 0 mm | 7 | |
| Aug. 12 | Sunny | 25° /14° | 0 mm | 7 | |
| Aug. 13 | Sunny | 27° /15° | 0 mm | 7 | |
| Aug. 14 | Sunny | 27° /15° | 0 mm | 7 | |
| Aug. 15 | Sunny | 30° /16° | 0 mm | 8 | |
| Aug. 16 | Sunny | 29° /17° | 0 mm | 7 | |
| Aug. 17 | Sunny | 24° /15° | 0 mm | 6 | |
| Aug. 18 | Sunny | 25° /14° | 0 mm | 7 | |
| Aug. 19 | Sunny | 26° /13° | 0 mm | 7 | |
| Aug. 20 | Sunny | 33° /16° | 0 mm | 8 | |
| Aug. 21 | Sunny | 29° /14° | 0 mm | 7 | |
| Aug. 22 | Sunny | 21° /13° | 0 mm | 6 | |
| Aug. 23 | Overcast | 22° /12° | 0 mm | 5 | |
| Aug. 24 | Sunny | 24° /10° | 0 mm | 6 | |
| Aug. 25 | Sunny | 29° /13° | 0 mm | 7 | |
| Aug. 26 | Sunny | 30° /14° | 0 mm | 8 | |
| Aug. 27 | Sunny | 28° /14° | 0 mm | 7 | |
| Aug. 28 | Cloudy | 24° /13° | 0 mm | 5 | |
| Aug. 29 | Sunny | 24° /12° | 0 mm | 6 | |
| Aug. 30 | Sunny | 25° /13° | 0 mm | 7 | |
| Aug. 31 | Sunny | 25° /13° | 0 mm | 7 | |
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Important Notice
Our weather forecast for San Luis Obispo in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Luis Obispo forecast closer to your planned date for the most up-to-date weather information.
San Luis Obispo in August - FAQ
What are the expected maximum and minimum temperatures in San Luis Obispo during August?
During August, expect a variety of temperatures with highs around 27° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Luis Obispo during August?
Rainfall in San Luis Obispo during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in San Luis Obispo during August?
The average wind speed in San Luis Obispo during August is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
UV exposure in San Luis Obispo during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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