August Weather in Stockton, United States

Last updated: June 24, 2025

In August, the average temperature in Stockton, United States is a warm 26°C (78°F). However, you can expect variations, with minimums dipping to 10°C (50°F) and maximums soaring up to 39°C (103°F). Be prepared for a touch of rain as well, with a precipitation amount of 25 mm (1.0 in) spread over 4 days. The average humidity hovers around a comfortable 37%, making it an enjoyable time to explore!

August Temperature in Stockton

In August in Stockton, the average temperature is 26°C (78°F). Maximum temperatures can reach as high as 39°C (103°F), while minimums can drop to a chilly 10°C (50°F). This makes it essential for travelers to pack layers and stay hydrated to fully enjoy their visit.

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

The chart illustrates August temperature patterns in Stockton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stockton, August typically has an average temperature of 26°C (78°F), with highs reaching up to 39°C (103°F) and lows dropping to around 10°C (50°F).

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

August Precipitation in Stockton

In Stockton in August, the precipitation amount is 25 mm (1.0 in) over the course of 4 days.

August Precipitation Trends in Stockton

The chart displays monthly precipitation patterns in Stockton, 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 Stockton, August typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 4 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 Stockton

In Stockton in August, humidity is 37%. With an average temperature of 26°C (78°F), this humidity feels like a comfortable embrace, making it perfect for exploring the sights and experiencing outdoor adventures without feeling overly sticky or sluggish.

August Average Humidity in Stockton

This chart illustrates the average monthly humidity levels in Stockton, 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 Stockton is approximately 37%, 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 Stockton

In Stockton 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 Stockton.

Maximum UV Index Levels in Stockton for August

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

Data source: Stockton 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 Stockton Compares to Other Months

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

This table compares monthly weather conditions in Stockton, 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 (29°F)	45 mm (1.8 inches)	91%	moderate
February Weather	0°C (33°F)	52 mm (2.0 inches)	92%	moderate
March Weather	5°C (42°F)	67 mm (2.6 inches)	84%	high
April Weather	10°C (50°F)	63 mm (2.5 inches)	74%	very high
May Weather	15°C (60°F)	53 mm (2.1 inches)	62%	extreme
June Weather	23°C (73°F)	16 mm (0.6 inches)	56%	extreme
July Weather	27°C (81°F)	18 mm (0.7 inches)	44%	extreme
August Weather	26°C (78°F)	25 mm (1.0 inches)	37%	extreme
September Weather	20°C (68°F)	36 mm (1.4 inches)	46%	very high
October Weather	10°C (50°F)	37 mm (1.5 inches)	67%	high
November Weather	5°C (41°F)	30 mm (1.2 inches)	84%	moderate
December Weather	-1°C (30°F)	39 mm (1.6 inches)	88%	moderate