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 37.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 35.6 °F by the end of August.
With an average of 3 rainy days, Pasadena experiences minimal rainfall in August.
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28
Dry days
3
Rainy days
0
Snow days
39°/27°
Temperatures
22 km/h
Avg max wind
56 %
Avg humidity
Pasadena in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  37° | 2 37° | 3  38° | ||||
| 4  37° | 5 37° | 6 38° | 7 38° | 8  38° | 9 38° | 10 38° |
| 11 37° | 12 37° | 13 38° | 14 38° | 15 38° | 16  38° | 17 38° |
| 18 38° | 19 39° | 20 40° | 21 38° | 22  36° | 23 37° | 24 38° |
| 25 37° | 26 37° | 27 38° | 28 36° | 29 32° | 30 35° | 31 34° |
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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 | Cloudy | 37° /25° | 0 mm | 8 | |
| Aug. 2 | Cloudy | 37° /26° | 0 mm | 8 | |
| Aug. 3 | Patchy rain possible | 38° /26° | 0.2 mm | 9 | |
| Aug. 4 | Partly cloudy | 37° /25° | 6.1 mm | 9 | |
| Aug. 5 | Patchy rain possible | 37° /26° | 0.1 mm | 9 | |
| Aug. 6 | Cloudy | 38° /26° | 0 mm | 9 | |
| Aug. 7 | Cloudy | 38° /26° | 0 mm | 9 | |
| Aug. 8 | Overcast | 38° /26° | 0 mm | 9 | |
| Aug. 9 | Overcast | 38° /27° | 0.1 mm | 9 | |
| Aug. 10 | Cloudy | 38° /27° | 0.1 mm | 8 | |
| Aug. 11 | Partly cloudy | 37° /27° | 0 mm | 9 | |
| Aug. 12 | Patchy rain possible | 37° /26° | 0.1 mm | 9 | |
| Aug. 13 | Partly cloudy | 38° /26° | 0.1 mm | 9 | |
| Aug. 14 | Cloudy | 38° /26° | 0 mm | 9 | |
| Aug. 15 | Partly cloudy | 38° /27° | 0 mm | 9 | |
| Aug. 16 | Sunny | 38° /27° | 0 mm | 9 | |
| Aug. 17 | Overcast | 38° /26° | 0.1 mm | 8 | |
| Aug. 18 | Overcast | 38° /26° | 0 mm | 9 | |
| Aug. 19 | Overcast | 39° /26° | 0 mm | 9 | |
| Aug. 20 | Overcast | 40° /27° | 0 mm | 9 | |
| Aug. 21 | Patchy rain possible | 38° /28° | 0.1 mm | 9 | |
| Aug. 22 | Moderate rain at times | 36° /28° | 1.2 mm | 8 | |
| Aug. 23 | Overcast | 37° /27° | 0 mm | 9 | |
| Aug. 24 | Partly cloudy | 38° /26° | 1.5 mm | 9 | |
| Aug. 25 | Sunny | 37° /27° | 0.3 mm | 9 | |
| Aug. 26 | Overcast | 37° /26° | 1.9 mm | 8 | |
| Aug. 27 | Partly cloudy | 38° /25° | 2.4 mm | 9 | |
| Aug. 28 | Patchy rain possible | 36° /26° | 2.8 mm | 8 | |
| Aug. 29 | Cloudy | 32° /25° | 7.7 mm | 7 | |
| Aug. 30 | Partly cloudy | 35° /24° | 11.8 mm | 8 | |
| Aug. 31 | Partly cloudy | 34° /24° | 6.6 mm | 8 | |
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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?
With daytime temperatures soaring above 39° and not dropping much below 27° at night, August in Pasadena is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Pasadena during August?
Rainfall in Pasadena during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 3 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 Pasadena during August?
The average wind speed in Pasadena during August is 22 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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