August Weather in South Pasadena, United States

Last updated: June 24, 2025

In South Pasadena, United States, the average temperature in August is a comfortable 24°C (76°F), making it an inviting destination. Expect a minimum of 15°C (60°F) and a soaring maximum of 39°C (102°F). Precipitation is minimal, with just 2 mm (0.1 in) recorded over 0 days, and the average humidity hovers around 69%. Enjoy the perfect blend of warmth and pleasant weather!

August Temperature in South Pasadena

In August in South Pasadena, the average temperature is 24°C (76°F), with maximums reaching up to 39°C (102°F) and minimums dropping as low as 15°C (60°F). This makes it an ideal time for travelers who enjoy warm weather, but it's wise to prepare for both hot days and cooler evenings.

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 24°C (76°F), with highs reaching up to 39°C (102°F) and lows dropping to around 15°C (60°F).

Data source: Temperature data for South Pasadena generated using information from the Copernicus Climate Change Service.

August Precipitation in South Pasadena

In South Pasadena in August, the precipitation amount is 2 mm (0.1 in) during a span of 0 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 2 mm (0.1 inches) of precipitation spread over approximately 0 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in South Pasadena

In South Pasadena in August humidity is 69%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel a bit more exhausting, so travelers should stay hydrated and take frequent breaks in the shade.

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 69%, offering insight into how humid the weather typically is during this month.

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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, 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 10, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (57°F)	71 mm (2.8 inches)	74%	moderate
February Weather	14°C (57°F)	55 mm (2.2 inches)	79%	high
March Weather	15°C (59°F)	70 mm (2.8 inches)	75%	very high
April Weather	18°C (64°F)	19 mm (0.7 inches)	70%	very high
May Weather	19°C (66°F)	12 mm (0.5 inches)	70%	very high
June Weather	21°C (70°F)	3 mm (0.1 inches)	72%	extreme
July Weather	24°C (75°F)	2 mm (0.1 inches)	73%	extreme
August Weather	24°C (76°F)	2 mm (0.1 inches)	69%	very high
September Weather	23°C (74°F)	3 mm (0.1 inches)	68%	very high
October Weather	21°C (70°F)	8 mm (0.3 inches)	67%	high
November Weather	17°C (63°F)	17 mm (0.7 inches)	68%	moderate
December Weather	13°C (57°F)	76 mm (3.0 inches)	71%	moderate