August Weather in Oakland, United States

Last updated: June 24, 2025

In August, the average temperature in Oakland, United States hovers around 27°C (81°F), with a minimum of 18°C (64°F) and a maximum reaching up to 36°C (97°F). Expect 124 mm (4.9 in) of precipitation over approximately 13 days, contributing to an average humidity of 75%. Embrace the warm, humid climate!

August Temperature in Oakland

In August in Oakland, the average temperature is 27°C (81°F). Maximums can reach 36°C (97°F), while minimums can be as low as 18°C (64°F). Travelers should prepare for warm weather with the possibility of hot days and cooler evenings, making it ideal for outdoor activities.

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 27°C (81°F), with highs reaching up to 36°C (97°F) and lows dropping to around 18°C (64°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 124 mm (4.9 in) over a span of 13 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 124 mm (4.9 inches) of precipitation spread over approximately 13 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 75%. With an average temperature of 27°C (81°F), this humidity feels like a blanket of warmth enveloping you, making outdoor activities sticky and potentially uncomfortable for traveling.

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 75%, 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 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 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 10, 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	7°C (45°F)	120 mm (4.7 inches)	84%	moderate
February Weather	10°C (49°F)	195 mm (7.7 inches)	83%	high
March Weather	14°C (58°F)	168 mm (6.6 inches)	80%	very high
April Weather	17°C (63°F)	149 mm (5.9 inches)	82%	very high
May Weather	22°C (73°F)	115 mm (4.5 inches)	83%	extreme
June Weather	26°C (79°F)	134 mm (5.3 inches)	80%	extreme
July Weather	28°C (82°F)	112 mm (4.4 inches)	80%	extreme
August Weather	27°C (81°F)	124 mm (4.9 inches)	75%	very high
September Weather	25°C (78°F)	100 mm (3.9 inches)	73%	very high
October Weather	19°C (67°F)	113 mm (4.5 inches)	76%	high
November Weather	11°C (53°F)	84 mm (3.3 inches)	84%	high
December Weather	10°C (50°F)	143 mm (5.6 inches)	88%	moderate