August Weather in Oakland, United States

Last updated: June 24, 2025

In August, the weather in Oakland, United States is typically warm, with an average temperature of 28°C (82°F). Expect minimums around 23°C (74°F) and maximums reaching up to 35°C (94°F). With an average humidity of 81%, it can feel quite muggy. Prepare for substantial rainfall, as precipitation amounts can total 233 mm (9.2 in) over 28 days.

August Temperature in Oakland

In August in Oakland, the average temperature is 28°C (82°F). The maximum can reach 35°C (94°F), while the minimum can be as low as 23°C (74°F). This pleasant climate makes Oakland an ideal destination for traveling and enjoying outdoor activities during this time.

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

The chart illustrates August temperature patterns in Oakland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oakland, August typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (94°F) and lows dropping to around 23°C (74°F).

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

August Precipitation in Oakland

In Oakland in August, the total precipitation amount is 233 mm (9.2 in) distributed over a period of 28 days.

August Precipitation Trends in Oakland

The chart displays monthly precipitation patterns in Oakland, 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 Oakland, August typically receives around 233 mm (9.2 inches) of precipitation spread over approximately 28 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 Oakland

In Oakland in August, humidity is 81%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapped around you, making traveling somewhat uncomfortable as the air thickens, leaving you longing for a refreshing breeze.

August Average Humidity in Oakland

This chart illustrates the average monthly humidity levels in Oakland, 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 Oakland is approximately 81%, 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 Oakland

In Oakland 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 Oakland.

Maximum UV Index Levels in Oakland for August

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

Data source: Oakland 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 Oakland Compares to Other Months

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

This table compares monthly weather conditions in Oakland, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (60°F)	43 mm (1.7 inches)	83%	moderate
February Weather	19°C (66°F)	54 mm (2.1 inches)	80%	very high
March Weather	20°C (68°F)	19 mm (0.8 inches)	75%	very high
April Weather	23°C (73°F)	75 mm (2.9 inches)	70%	extreme
May Weather	25°C (78°F)	105 mm (4.1 inches)	68%	extreme
June Weather	27°C (81°F)	213 mm (8.4 inches)	75%	extreme
July Weather	27°C (82°F)	243 mm (9.6 inches)	79%	extreme
August Weather	28°C (82°F)	233 mm (9.2 inches)	81%	extreme
September Weather	27°C (81°F)	183 mm (7.2 inches)	83%	extreme
October Weather	25°C (77°F)	84 mm (3.3 inches)	81%	very high
November Weather	20°C (68°F)	46 mm (1.8 inches)	82%	high
December Weather	17°C (63°F)	65 mm (2.6 inches)	84%	moderate