August Weather in Campbell, United States

Last updated: June 24, 2025

In August, the average temperature in Campbell, United States reaches a warm 28°C (82°F), with minimums dipping to 23°C (74°F) and maximums soaring up to 34°C (94°F). Expect a wet month ahead, as precipitation totals around 232 mm (9.1 in) over approximately 27 days. Alongside the warmth, humidity levels will hover at a high 81%, making for a tropical atmosphere.

August Temperature in Campbell

In August in Campbell, the average temperature is 28°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 23°C (74°F). This pleasant weather makes it an ideal time for outdoor activities and sightseeing, attracting travelers seeking warmth and sunshine.

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 28°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 23°C (74°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 total precipitation amount is 232 mm (9.1 in), spread out over 27 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 232 mm (9.1 inches) of precipitation spread over approximately 27 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Campbell

In Campbell in August, humidity is 81%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapped around you, making traveling somewhat uncomfortable as the air thickens, leaving you longing for a refreshing breeze.

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 81%, 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 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 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 11, which falls under the extreme 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	16°C (62°F)	38 mm (1.5 inches)	83%	moderate
February Weather	20°C (68°F)	49 mm (1.9 inches)	80%	very high
March Weather	21°C (69°F)	17 mm (0.7 inches)	75%	very high
April Weather	23°C (74°F)	68 mm (2.7 inches)	70%	extreme
May Weather	26°C (78°F)	109 mm (4.3 inches)	68%	extreme
June Weather	27°C (81°F)	220 mm (8.6 inches)	75%	extreme
July Weather	28°C (82°F)	220 mm (8.7 inches)	79%	extreme
August Weather	28°C (82°F)	232 mm (9.1 inches)	81%	extreme
September Weather	27°C (81°F)	185 mm (7.3 inches)	83%	extreme
October Weather	25°C (78°F)	88 mm (3.5 inches)	81%	very high
November Weather	21°C (69°F)	40 mm (1.6 inches)	82%	high
December Weather	18°C (65°F)	58 mm (2.3 inches)	84%	moderate