Pasadena
August
Weather in Pasadena for August 2025
Your guide to Pasadena weather in August - trends and predictions
In general, the average temperature in Pasadena at the beginning of August is 31 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 28.9 °F by the end of August.
Pasadena in August brings notable rainfall, with an average of 17 rainy days and a total precipitation of 153.1 mm.
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Temperatures
Rain 🌧️
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14
Dry days
17
Rainy days
0
Snow days
28°/21°
Temperatures
18 km/h
Avg max wind
66 %
Avg humidity
Pasadena in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  33° | 2  31° | 3  33° | ||||
| 4  30° | 5 33° | 6 32° | 7 25° | 8 26° | 9 26° | 10 29° |
| 11 27° | 12 27° | 13 27° | 14  28° | 15 30° | 16  27° | 17 27° |
| 18 27° | 19 27° | 20 24° | 21 28° | 22  27° | 23 26° | 24 27° |
| 25 30° | 26  31° | 27 30° | 28 30° | 29 26° | 30 29° | 31 26° |
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Temperatures trend during August in Pasadena
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 | Patchy light drizzle | 33° /25° | 2 mm | 7 | |
| Aug. 2 | Partly cloudy | 31° /24° | 2.6 mm | 8 | |
| Aug. 3 | Patchy rain possible | 33° /23° | 1.5 mm | 7 | |
| Aug. 4 | Moderate or heavy rain shower | 30° /21° | 9.9 mm | 7 | |
| Aug. 5 | Partly cloudy | 33° /23° | 0 mm | 8 | |
| Aug. 6 | Moderate rain at times | 32° /22° | 12.6 mm | 7 | |
| Aug. 7 | Light rain shower | 25° /21° | 16.3 mm | 6 | |
| Aug. 8 | Light rain shower | 26° /23° | 12.8 mm | 6 | |
| Aug. 9 | Light rain shower | 26° /23° | 13 mm | 6 | |
| Aug. 10 | Partly cloudy | 29° /21° | 0.1 mm | 7 | |
| Aug. 11 | Partly cloudy | 27° /20° | 0 mm | 7 | |
| Aug. 12 | Partly cloudy | 27° /20° | 0 mm | 7 | |
| Aug. 13 | Patchy rain possible | 27° /20° | 0.2 mm | 6 | |
| Aug. 14 | Sunny | 28° /19° | 0 mm | 7 | |
| Aug. 15 | Sunny | 30° /20° | 0 mm | 8 | |
| Aug. 16 | Overcast | 27° /21° | 0.1 mm | 6 | |
| Aug. 17 | Light rain shower | 27° /22° | 6.1 mm | 6 | |
| Aug. 18 | Light rain shower | 27° /22° | 16 mm | 6 | |
| Aug. 19 | Light rain shower | 27° /18° | 3.8 mm | 6 | |
| Aug. 20 | Partly cloudy | 24° /16° | 0 mm | 6 | |
| Aug. 21 | Overcast | 28° /17° | 0 mm | 7 | |
| Aug. 22 | Cloudy | 27° /18° | 0 mm | 7 | |
| Aug. 23 | Overcast | 26° /17° | 0 mm | 7 | |
| Aug. 24 | Moderate or heavy rain shower | 27° /18° | 9.2 mm | 7 | |
| Aug. 25 | Light rain shower | 30° /19° | 33.5 mm | 7 | |
| Aug. 26 | Mist | 31° /21° | 0.3 mm | 8 | |
| Aug. 27 | Cloudy | 30° /22° | 0.1 mm | 7 | |
| Aug. 28 | Light rain shower | 30° /22° | 2.2 mm | 8 | |
| Aug. 29 | Overcast | 26° /20° | 7.3 mm | 6 | |
| Aug. 30 | Light rain | 29° /21° | 2.5 mm | 6 | |
| Aug. 31 | Overcast | 26° /19° | 1.1 mm | 6 | |
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Important Notice
Our weather forecast for Pasadena 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 Pasadena forecast closer to your planned date for the most up-to-date weather information.
Pasadena in August - FAQ
What are the expected maximum and minimum temperatures in Pasadena during August?
During August, expect a variety of temperatures with highs around 28° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Pasadena during August?
Significant rainfall exceeding 153.1 mm is expected in Pasadena during August, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Pasadena during August?
The average wind speed in Pasadena during August is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Pasadena
Explore the daily rainfall trends and prepare for Pasadenas August weather 💧
UV exposure in Pasadena during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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