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August Weather in South Pasadena, United States

Last updated: June 24, 2025

In August, the average temperature in South Pasadena, United States hovers around 28°C (83°F), providing a warm and inviting atmosphere. While the minimum dips to 25°C (77°F), the maximum can reach a sizzling 32°C (90°F). Expect a precipitation amount of 219 mm (8.6 in) spread over 25 days, accompanied by an average humidity of 74%, creating a tropical feel throughout the month.

August Temperature in South Pasadena

In August in South Pasadena, the average temperature is 28°C (83°F). Maximum temperatures can reach 32°C (90°F), while minimums may drop to 25°C (77°F). This warm climate makes South Pasadena an ideal destination for travelers seeking sun and pleasant weather during this time.

August Weather in South Pasadena: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in South Pasadena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Pasadena, August typically has an average temperature of 28°C (83°F), with highs reaching up to 32°C (90°F) and lows dropping to around 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec626568737781828281787065
Data source: Temperature data for South Pasadena generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in South Pasadena

In South Pasadena, in August, the total precipitation amount is 219 mm (8.6 in), recorded over a span of 25 days.

August Precipitation Trends in South Pasadena

The chart displays monthly precipitation patterns in South Pasadena, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In South Pasadena, August typically receives around 219 mm (8.6 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec40502060105174204219143674666
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in South Pasadena

In South Pasadena in August, humidity is 74%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making travel feel more tiring as every step is met with a warm, sticky embrace that can drain your energy quickly.

August Average Humidity in South Pasadena

This chart illustrates the average monthly humidity levels in South Pasadena, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in South Pasadena is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%82%79%78%76%75%74%75%78%80%82%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in South Pasadena

In South Pasadena in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in South Pasadena.

Maximum UV Index Levels in South Pasadena for August

The chart shows the monthly maximum UV Index (UVI) for South Pasadena in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in South Pasadena typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111112121111975
Data source: South Pasadena August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in South Pasadena Compares to Other Months

Weather in South Pasadena varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in South Pasadena, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in South Pasadena, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)40 mm (1.6 inches)82%high
February Weather19°C (66°F)50 mm (2.0 inches)82%very high
March Weather20°C (68°F)20 mm (0.8 inches)79%very high
April Weather23°C (73°F)60 mm (2.4 inches)78%extreme
May Weather25°C (77°F)105 mm (4.1 inches)76%extreme
June Weather27°C (81°F)174 mm (6.8 inches)75%extreme
July Weather28°C (82°F)204 mm (8.0 inches)74%extreme
August Weather28°C (83°F)219 mm (8.6 inches)74%extreme
September Weather27°C (82°F)143 mm (5.6 inches)78%extreme
October Weather26°C (79°F)67 mm (2.6 inches)79%very high
November Weather21°C (70°F)46 mm (1.8 inches)82%high
December Weather19°C (66°F)66 mm (2.6 inches)84%moderate

Compare South Pasadena's Climate with Cities Worldwide