August Weather in American Canyon, United States

Last updated: June 24, 2025

In August, the average temperature in American Canyon, United States is a delightful 21°C (71°F). Expect lows of 12°C (53°F) and occasional highs reaching up to 42°C (108°F). With a precipitation total of 0 mm (0.0 in) over 0 days, you can anticipate plenty of sunshine! The average humidity hovers around a comfortable 36%, making it the perfect time to explore the outdoors.

August Temperature in American Canyon

In August in American Canyon, the average temperature is 21°C (71°F). Maximum temperatures can reach 42°C (108°F), while minimum temperatures may drop as low as 12°C (53°F). Overall, it's a great time to visit American Canyon if you enjoy warm weather and varying temperatures throughout the day.

August Weather in American Canyon: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in American Canyon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In American Canyon, August typically has an average temperature of 21°C (71°F), with highs reaching up to 42°C (108°F) and lows dropping to around 12°C (53°F).

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

August Precipitation in American Canyon

In American Canyon in August, the precipitation amount is 0 mm (0.0 in) during 0 days.

August Precipitation Trends in American Canyon

The chart displays monthly precipitation patterns in American Canyon, 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 American Canyon, 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 American Canyon

In American Canyon in August humidity is 36%. With an average temperature of 21°C (71°F), this humidity feels like a comfortable breath of fresh air, making it ideal for exploring the sights and enjoying outdoor activities without feeling weighed down.

August Average Humidity in American Canyon

This chart illustrates the average monthly humidity levels in American Canyon, 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 American Canyon is approximately 36%, 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 American Canyon

In American Canyon 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 American Canyon.

Maximum UV Index Levels in American Canyon for August

The chart shows the monthly maximum UV Index (UVI) for American Canyon 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 American Canyon typically reaches 10, which falls under the very high exposure category.

Data source: American Canyon 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 American Canyon Compares to Other Months

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

This table compares monthly weather conditions in American Canyon, 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 (50°F)	119 mm (4.7 inches)	84%	moderate
February Weather	11°C (53°F)	113 mm (4.5 inches)	84%	moderate
March Weather	12°C (55°F)	81 mm (3.2 inches)	83%	high
April Weather	15°C (60°F)	33 mm (1.3 inches)	81%	very high
May Weather	18°C (64°F)	19 mm (0.8 inches)	74%	very high
June Weather	21°C (70°F)	2 mm (0.1 inches)	64%	extreme
July Weather	21°C (70°F)	0 mm (0.0 inches)	44%	extreme
August Weather	21°C (71°F)	0 mm (0.0 inches)	36%	very high
September Weather	21°C (70°F)	1 mm (0.0 inches)	44%	very high
October Weather	18°C (65°F)	29 mm (1.1 inches)	65%	high
November Weather	13°C (56°F)	43 mm (1.7 inches)	84%	moderate
December Weather	10°C (50°F)	91 mm (3.6 inches)	83%	moderate