San Diego County (San Diego)
August
Weather in San Diego County for August 2025
Your guide to San Diego County weather in August - trends and predictions
In general, the average temperature in San Diego County 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 2 rainy days, San Diego County experiences minimal rainfall in August.
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Temperatures
Rain 🌧️
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29
Dry days
2
Rainy days
0
Snow days
25°/19°
Temperatures
16 km/h
Avg max wind
67 %
Avg humidity
San Diego County 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 County
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 County 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 County forecast closer to your planned date for the most up-to-date weather information.
San Diego County in August - FAQ
What are the expected maximum and minimum temperatures in San Diego County during August?
During August, expect a variety of temperatures with highs around 25° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Diego County during August?
In August, San Diego County can expect light to moderate rainfall, totaling 30.2 mm across approximately 2 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in San Diego County during August?
The average wind speed in San Diego County during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in San Diego County
Explore the daily rainfall trends and prepare for San Diego Countys August weather 💧
UV exposure in San Diego County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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