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August Weather in Stockton, United States

Last updated: June 24, 2025

In August, the average temperature in Stockton, United States is a pleasant 25°C (77°F). However, be prepared for a range of temperatures, as it can dip to a chilly 11°C (52°F) or soar to a sizzling 39°C (102°F). On average, you can expect about 87 mm (3.4 in) of precipitation over 8 days, contributing to a relatively high humidity level of 80%.

August Temperature in Stockton

In August in Stockton, the average temperature is 25°C (77°F), with maximums often reaching 39°C (102°F) and minimums dropping to as low as 11°C (52°F). This variability makes it essential for travelers to pack for both warm days and cooler evenings.

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 25°C (77°F), with highs reaching up to 39°C (102°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec303044536377817771544335
Data source: Temperature data for Stockton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Stockton

In Stockton in August, the precipitation amount is 87 mm (3.4 in), which occurs over a span of 8 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 87 mm (3.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec2420673815860748759581832
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Stockton

In Stockton in August humidity is 80%. With an average temperature of 25°C (77°F), this humidity feels like traveling through a warm, tropical rainforest where the air is thick and steamy, making even the simplest stroll feel like a workout.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%78%67%70%82%81%80%80%74%71%79%83%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
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.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)24 mm (0.9 inches)74%moderate
February Weather-1°C (31°F)20 mm (0.8 inches)78%moderate
March Weather7°C (44°F)67 mm (2.7 inches)67%high
April Weather11°C (53°F)38 mm (1.5 inches)70%very high
May Weather17°C (64°F)158 mm (6.2 inches)82%very high
June Weather25°C (77°F)60 mm (2.4 inches)81%extreme
July Weather27°C (81°F)74 mm (2.9 inches)80%extreme
August Weather25°C (77°F)87 mm (3.4 inches)80%very high
September Weather22°C (72°F)59 mm (2.3 inches)73%very high
October Weather12°C (55°F)58 mm (2.3 inches)71%high
November Weather6°C (44°F)18 mm (0.7 inches)79%moderate
December Weather2°C (35°F)32 mm (1.3 inches)83%moderate

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