August Weather in Atascadero, United States

Last updated: June 24, 2025

In August, the average temperature in Atascadero, United States hovers around 20°C (69°F), offering a comfortable climate for outdoor activities. Temperatures can dip as low as 12°C (55°F) and soar to a maximum of 35°C (95°F). Expect minimal rainfall with an average precipitation of just 1 mm (0.0 in) over 0 days, all while enjoying an average humidity level of 72%.

August Temperature in Atascadero

In August in Atascadero, the average temperature is 20°C (69°F). Maximum temperatures can reach 35°C (95°F), and the minimum can drop to as low as 12°C (55°F). This makes Atascadero a pleasant destination for traveling, with warm days and cooler nights.

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

The chart illustrates August temperature patterns in Atascadero, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atascadero, August typically has an average temperature of 20°C (69°F), with highs reaching up to 35°C (95°F) and lows dropping to around 12°C (55°F).

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

August Precipitation in Atascadero

In Atascadero in August, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

August Precipitation Trends in Atascadero

The chart displays monthly precipitation patterns in Atascadero, 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 Atascadero, August typically receives around 1 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 Atascadero

In Atascadero in August humidity is 72%. With an average temperature of 20°C (69°F), this humidity feels like a warm, almost tropical embrace, making it perfect for leisurely strolls but challenging for those unaccustomed to the moist air.

August Average Humidity in Atascadero

This chart illustrates the average monthly humidity levels in Atascadero, 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 Atascadero is approximately 72%, 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 Atascadero

In Atascadero 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 Atascadero.

Maximum UV Index Levels in Atascadero for August

The chart shows the monthly maximum UV Index (UVI) for Atascadero 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 Atascadero typically reaches 11, which falls under the extreme exposure category.

Data source: Atascadero 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 Atascadero Compares to Other Months

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

This table compares monthly weather conditions in Atascadero, 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 (51°F)	94 mm (3.7 inches)	80%	moderate
February Weather	11°C (52°F)	68 mm (2.7 inches)	83%	moderate
March Weather	12°C (54°F)	75 mm (3.0 inches)	80%	very high
April Weather	14°C (58°F)	20 mm (0.8 inches)	76%	very high
May Weather	16°C (61°F)	10 mm (0.4 inches)	75%	extreme
June Weather	19°C (66°F)	1 mm (0.0 inches)	74%	extreme
July Weather	20°C (68°F)	1 mm (0.0 inches)	75%	extreme
August Weather	20°C (69°F)	1 mm (0.0 inches)	72%	extreme
September Weather	20°C (68°F)	1 mm (0.0 inches)	70%	very high
October Weather	17°C (63°F)	9 mm (0.3 inches)	70%	high
November Weather	14°C (57°F)	29 mm (1.1 inches)	74%	moderate
December Weather	11°C (51°F)	62 mm (2.4 inches)	76%	moderate