August Weather in Oakland, United States

Last updated: June 24, 2025

In August, the average temperature in Oakland, United States hovers around 21°C (70°F), offering a pleasant climate for outdoor activities. Minimum temperatures can dip to 9°C (49°F), while the maximum can reach a warm 33°C (91°F). Prepare for some rain, as the area receives about 98 mm (3.9 in) of precipitation over 15 days, contributing to an average humidity of 64%. Don't forget your umbrella!

August Temperature in Oakland

In August in Oakland, the average temperature is 21°C (70°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 9°C (49°F). This climate makes it an ideal destination for travelers seeking a pleasant mix of warm days and cooler evenings.

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 21°C (70°F), with highs reaching up to 33°C (91°F) and lows dropping to around 9°C (49°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 98 mm (3.9 in) spread over 15 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 98 mm (3.9 inches) of precipitation spread over approximately 15 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Oakland

In Oakland in August humidity is 64%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making it comfortable for traveling during the day, albeit slightly sticky in the afternoons.

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 64%, 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 is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, 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 9, which falls under the very high 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	-2°C (28°F)	91 mm (3.6 inches)	89%	moderate
February Weather	0°C (33°F)	131 mm (5.1 inches)	90%	moderate
March Weather	4°C (39°F)	114 mm (4.5 inches)	89%	high
April Weather	9°C (49°F)	133 mm (5.2 inches)	88%	very high
May Weather	15°C (60°F)	152 mm (6.0 inches)	80%	very high
June Weather	19°C (67°F)	145 mm (5.7 inches)	79%	very high
July Weather	22°C (72°F)	121 mm (4.8 inches)	74%	very high
August Weather	21°C (70°F)	98 mm (3.9 inches)	64%	very high
September Weather	18°C (65°F)	126 mm (5.0 inches)	67%	very high
October Weather	12°C (55°F)	115 mm (4.5 inches)	81%	high
November Weather	4°C (40°F)	91 mm (3.6 inches)	89%	moderate
December Weather	1°C (34°F)	115 mm (4.5 inches)	88%	low