San Diego
August
Weather in San Diego for August 2025
Your guide to San Diego weather in August - trends and predictions
In general, the average temperature in San Diego at the beginning of August is 26.3 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.3 °F by the end of August.
With an average of 4 rainy days, San Diego experiences minimal rainfall in August, ensuring that most days remain pleasantly dry.
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27
Dry days
4
Rainy days
0
Snow days
26°/18°
Temperatures
17 km/h
Avg max wind
71 %
Avg humidity
San Diego in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2  27° | 3 27° | ||||
| 4 26° | 5 27° | 6 26° | 7 25° | 8  25° | 9 25° | 10  24° |
| 11 25° | 12 25° | 13 25° | 14 25° | 15 26° | 16 27° | 17 26° |
| 18 26° | 19 25° | 20  27° | 21 24° | 22 24° | 23 24° | 24 23° |
| 25 24° | 26 25° | 27 26° | 28 26° | 29 26° | 30 25° | 31 25° |
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Temperatures trend during August in San Diego
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 | Cloudy | 26° /20° | 0 mm | 6 | |
| Aug. 2 | Partly cloudy | 27° /19° | 0 mm | 7 | |
| Aug. 3 | Cloudy | 27° /20° | 0 mm | 7 | |
| Aug. 4 | Cloudy | 26° /19° | 0 mm | 7 | |
| Aug. 5 | Cloudy | 27° /20° | 0 mm | 7 | |
| Aug. 6 | Partly cloudy | 26° /19° | 0 mm | 7 | |
| Aug. 7 | Partly cloudy | 25° /19° | 0 mm | 6 | |
| Aug. 8 | Patchy rain possible | 25° /19° | 0.4 mm | 6 | |
| Aug. 9 | Patchy rain possible | 25° /20° | 0.2 mm | 6 | |
| Aug. 10 | Overcast | 24° /19° | 0.1 mm | 6 | |
| Aug. 11 | Patchy rain possible | 25° /20° | 2.5 mm | 6 | |
| Aug. 12 | Patchy rain possible | 25° /20° | 0.1 mm | 6 | |
| Aug. 13 | Overcast | 25° /19° | 0 mm | 6 | |
| Aug. 14 | Overcast | 25° /19° | 0 mm | 6 | |
| Aug. 15 | Cloudy | 26° /20° | 0 mm | 7 | |
| Aug. 16 | Cloudy | 27° /20° | 0 mm | 7 | |
| Aug. 17 | Partly cloudy | 26° /20° | 0 mm | 7 | |
| Aug. 18 | Cloudy | 26° /19° | 0 mm | 7 | |
| Aug. 19 | Overcast | 25° /20° | 0 mm | 6 | |
| Aug. 20 | Moderate or heavy rain shower | 27° /21° | 26.3 mm | 7 | |
| Aug. 21 | Patchy rain possible | 24° /19° | 0.7 mm | 6 | |
| Aug. 22 | Overcast | 24° /18° | 0 mm | 6 | |
| Aug. 23 | Overcast | 24° /18° | 0 mm | 6 | |
| Aug. 24 | Overcast | 23° /18° | 0 mm | 6 | |
| Aug. 25 | Overcast | 24° /18° | 0 mm | 6 | |
| Aug. 26 | Cloudy | 25° /19° | 0 mm | 7 | |
| Aug. 27 | Cloudy | 26° /18° | 0 mm | 7 | |
| Aug. 28 | Cloudy | 26° /18° | 0 mm | 6 | |
| Aug. 29 | Cloudy | 26° /18° | 0 mm | 6 | |
| Aug. 30 | Cloudy | 25° /18° | 0 mm | 6 | |
| Aug. 31 | Cloudy | 25° /19° | 0 mm | 6 | |
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Important Notice
Our weather forecast for San Diego 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 Diego forecast closer to your planned date for the most up-to-date weather information.
San Diego in August - FAQ
What are the expected maximum and minimum temperatures in San Diego during August?
During August, expect a variety of temperatures with highs around 26° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Diego during August?
Moderate rainfall is anticipated in San Diego during August, with a total of 55.2 mm spread over approximately 4 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in San Diego during August?
The average wind speed in San Diego during August is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
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