August Weather in Campbell, United States

Last updated: June 24, 2025

In August, the average temperature in Campbell, United States is a pleasant 19°C (67°F). Expect temperatures to range from a cool 11°C (52°F) to a scorching 39°C (102°F). With 0 mm (0.0 in) of precipitation over 0 days, the weather is likely to be dry, and the average humidity sits at a comfortable 54%. Enjoy your time in this beautiful location!

August Temperature in Campbell

In August in Campbell, the average temperature is 19°C (67°F), with maximums reaching 39°C (102°F) and minimums dropping to as low as 11°C (52°F). This variance makes it essential for travelers to pack versatile clothing suitable for both warm days and cooler evenings.

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 19°C (67°F), with highs reaching up to 39°C (102°F) and lows dropping to around 11°C (52°F).

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

August Precipitation in Campbell

In Campbell in August, the precipitation amount is 0 mm (0.0 in) during 0 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 0 mm (0.0 inches) of precipitation spread over approximately 0 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 Campbell

In Campbell in August, humidity is 54%. With an average temperature of 19°C (67°F), this humidity feels like a gentle embrace—a refreshing yet slightly damp sensation that invigorates while traveling, making it perfect for exploring the sights without feeling too stifled.

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 54%, 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 Campbell

In Campbell 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 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 10, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	145 mm (5.7 inches)	82%	moderate
February Weather	11°C (52°F)	133 mm (5.2 inches)	84%	moderate
March Weather	11°C (53°F)	114 mm (4.5 inches)	82%	very high
April Weather	13°C (56°F)	37 mm (1.4 inches)	78%	very high
May Weather	15°C (59°F)	24 mm (0.9 inches)	71%	extreme
June Weather	18°C (64°F)	1 mm (0.0 inches)	64%	extreme
July Weather	19°C (66°F)	0 mm (0.0 inches)	58%	extreme
August Weather	19°C (67°F)	0 mm (0.0 inches)	54%	very high
September Weather	19°C (67°F)	3 mm (0.1 inches)	55%	very high
October Weather	17°C (63°F)	25 mm (1.0 inches)	62%	high
November Weather	13°C (56°F)	56 mm (2.2 inches)	78%	moderate
December Weather	10°C (50°F)	116 mm (4.6 inches)	80%	moderate