August Weather in Atherton, United States

Last updated: June 24, 2025

In August, the average temperature in Atherton, United States is a pleasant 18°C (65°F). Expect some variability, with minimum temperatures dropping to 12°C (54°F) and maximums soaring to 35°C (96°F). Enjoy clear skies, as precipitation is a mere 0 mm (0.0 in) over the entire month, and the average humidity remains comfortable at 54%.

August Temperature in Atherton

In August in Atherton, the average temperature is 18°C (65°F). Maximum temperatures can reach 35°C (96°F), while minimums can drop to 12°C (54°F). Overall, it's a great time to visit for those who enjoy mild weather with warm days and cooler evenings.

August Weather in Atherton: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Atherton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atherton, August typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (96°F) and lows dropping to around 12°C (54°F).

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

August Precipitation in Atherton

In Atherton in August, the precipitation amount is 0 mm (0.0 in) during 0 days.

August Precipitation Trends in Atherton

The chart displays monthly precipitation patterns in Atherton, 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 Atherton, August typically receives around 0 mm (0.0 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 Atherton

In Atherton in August, humidity is 54%. With an average temperature of 18°C (65°F), this humidity feels like a light, refreshing breeze, making it comfortable for traveling and exploring the area without the discomfort of excessive stickiness.

August Average Humidity in Atherton

This chart illustrates the average monthly humidity levels in Atherton, 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 Atherton is approximately 54%, 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 Atherton

In Atherton 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 Atherton.

Maximum UV Index Levels in Atherton for August

The chart shows the monthly maximum UV Index (UVI) for Atherton 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 Atherton typically reaches 10, which falls under the very high exposure category.

Data source: Atherton 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 Atherton Compares to Other Months

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

This table compares monthly weather conditions in Atherton, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	105 mm (4.1 inches)	82%	moderate
February Weather	11°C (53°F)	100 mm (3.9 inches)	84%	moderate
March Weather	12°C (54°F)	86 mm (3.4 inches)	82%	very high
April Weather	13°C (57°F)	33 mm (1.3 inches)	78%	very high
May Weather	15°C (59°F)	24 mm (0.9 inches)	71%	very high
June Weather	17°C (63°F)	2 mm (0.1 inches)	64%	extreme
July Weather	17°C (63°F)	0 mm (0.0 inches)	58%	extreme
August Weather	18°C (65°F)	0 mm (0.0 inches)	54%	very high
September Weather	18°C (66°F)	2 mm (0.1 inches)	55%	very high
October Weather	17°C (63°F)	24 mm (0.9 inches)	62%	high
November Weather	13°C (56°F)	47 mm (1.9 inches)	78%	moderate
December Weather	11°C (52°F)	88 mm (3.5 inches)	80%	moderate