August Weather in Santa Clara, United States

Last updated: June 24, 2025

In August, the average temperature in Santa Clara, United States hovers around 30°C (87°F), creating a warm and inviting atmosphere. Visitors can expect minimum temperatures of 21°C (70°F) and occasionally soaring to a maximum of 41°C (105°F). With a total precipitation of 82 mm (3.2 in) spread over 6 days, it's wise to keep an umbrella handy. The average humidity level rests at a comfortable 58%, adding to the pleasant climate.

August Temperature in Santa Clara

In August, in Santa Clara, the average temperature is 30°C (87°F). Maximums can reach 41°C (105°F), and minimums can be as low as 21°C (70°F). Be sure to pack light clothing and stay hydrated while enjoying your trip to Santa Clara during this warm weather.

August Weather in Santa Clara: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Santa Clara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Clara, August typically has an average temperature of 30°C (87°F), with highs reaching up to 41°C (105°F) and lows dropping to around 21°C (70°F).

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

August Precipitation in Santa Clara

In Santa Clara in August, the precipitation amount is 82 mm (3.2 in) over the course of 6 days.

August Precipitation Trends in Santa Clara

The chart displays monthly precipitation patterns in Santa Clara, 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 Santa Clara, August typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 6 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 Santa Clara

In Santa Clara in August, humidity is 58%. With an average temperature of 30°C (87°F), this humidity feels like a warm embrace, making outdoor exploration a bit sticky yet invigorating, so travelers should stay hydrated and take regular breaks in the shade.

August Average Humidity in Santa Clara

This chart illustrates the average monthly humidity levels in Santa Clara, 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 Santa Clara is approximately 58%, 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 Santa Clara

In Santa Clara in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Santa Clara.

Maximum UV Index Levels in Santa Clara for August

The chart shows the monthly maximum UV Index (UVI) for Santa Clara 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 Santa Clara typically reaches 12, which falls under the extreme exposure category.

Data source: Santa Clara 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 Santa Clara Compares to Other Months

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

This table compares monthly weather conditions in Santa Clara, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	43 mm (1.7 inches)	79%	moderate
February Weather	13°C (56°F)	51 mm (2.0 inches)	79%	very high
March Weather	19°C (66°F)	53 mm (2.1 inches)	74%	very high
April Weather	21°C (71°F)	84 mm (3.3 inches)	76%	extreme
May Weather	26°C (78°F)	116 mm (4.6 inches)	81%	extreme
June Weather	28°C (83°F)	84 mm (3.3 inches)	76%	extreme
July Weather	30°C (86°F)	70 mm (2.8 inches)	66%	extreme
August Weather	30°C (87°F)	82 mm (3.2 inches)	58%	extreme
September Weather	27°C (81°F)	111 mm (4.4 inches)	65%	extreme
October Weather	22°C (72°F)	78 mm (3.1 inches)	74%	very high
November Weather	17°C (62°F)	51 mm (2.0 inches)	81%	high
December Weather	14°C (57°F)	59 mm (2.3 inches)	86%	moderate