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August Weather in Campbell, United States

Last updated: June 24, 2025

In August, the average temperature in Campbell, United States hovers around 21°C (69°F). Expect a minimum of 7°C (45°F) and a maximum that can reach up to 32°C (91°F). During this time, precipitation averages 78 mm (3.1 in) over approximately 12 days, contributing to an average humidity level of 76%. Enjoy the warm days and prepare for some moisture!

August Temperature in Campbell

In August in Campbell, the average temperature is 21°C (69°F), with maximums reaching up to 32°C (91°F) and minimums dropping as low as 7°C (45°F). This moderate climate makes Campbell a perfect destination for travelers seeking pleasant weather and a variety of outdoor activities.

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

The chart illustrates August temperature patterns in Campbell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Campbell, August typically has an average temperature of 21°C (69°F), with highs reaching up to 32°C (91°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec252734455766716963523730
Data source: Temperature data for Campbell 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 Campbell

In Campbell in August, the precipitation amount is 78 mm (3.1 in), occurring over a span of 12 days.

August Precipitation Trends in Campbell

The chart displays monthly precipitation patterns in Campbell, 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 Campbell, August typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec6782761081159513378841287582
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Campbell

In Campbell in August, humidity is 76%. With an average temperature of 21°C (69°F), this humidity feels like a warm, enveloping blanket, making travel slightly uncomfortable and creating a sticky atmosphere that can sap your energy as you explore.

August Average Humidity in Campbell

This chart illustrates the average monthly humidity levels in Campbell, 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 Campbell is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Campbell

In Campbell 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 Campbell.

Maximum UV Index Levels in Campbell for August

The chart shows the monthly maximum UV Index (UVI) for Campbell 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 Campbell typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
Data source: Campbell 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 Campbell Compares to Other Months

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

This table compares monthly weather conditions in Campbell, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)67 mm (2.6 inches)90%moderate
February Weather-3°C (28°F)82 mm (3.2 inches)90%moderate
March Weather1°C (35°F)75 mm (3.0 inches)87%high
April Weather7°C (46°F)108 mm (4.3 inches)88%very high
May Weather14°C (58°F)115 mm (4.5 inches)82%very high
June Weather19°C (66°F)95 mm (3.7 inches)79%very high
July Weather22°C (71°F)133 mm (5.2 inches)78%very high
August Weather21°C (69°F)78 mm (3.1 inches)76%very high
September Weather17°C (63°F)84 mm (3.3 inches)78%very high
October Weather11°C (53°F)128 mm (5.0 inches)84%high
November Weather3°C (38°F)75 mm (3.0 inches)89%moderate
December Weather-1°C (31°F)82 mm (3.2 inches)86%low

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