October Weather in American Canyon, United States

Last updated: June 24, 2025

In October, the average temperature in American Canyon, United States hovers around 18°C (65°F), with minimums dipping to 4°C (40°F) and occasional highs reaching 36°C (98°F). Expect 29 mm (1.1 in) of precipitation over approximately 2 days, and enjoy a comfortable average humidity level of 65%.

October Temperature in American Canyon

In October in American Canyon, the average temperature is 18°C (65°F), with maximums reaching 36°C (98°F) and minimums dropping as low as 4°C (40°F). This variation makes it essential for travelers to pack accordingly to enjoy their visit comfortably.

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

The chart illustrates October 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, October typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (98°F) and lows dropping to around 4°C (40°F).

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

October Precipitation in American Canyon

In American Canyon in October, the precipitation amount is 29 mm (1.1 in) over the course of 2 days.

October Precipitation Trends in American Canyon

The chart displays monthly precipitation patterns in American Canyon, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In American Canyon, October typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 2 days.

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

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Millimeters (mm) Inches (in)

October Humidity in American Canyon

In American Canyon in October, humidity is 65%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace that clings to your skin, making you feel slightly sticky as you explore. It's comfortable enough for sightseeing, but breathable enough to enjoy a leisurely stroll, though you might find yourself seeking shade during the warmest parts of the day.

October Average Humidity in American Canyon

This chart illustrates the average monthly humidity levels in American Canyon, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in American Canyon is approximately 65%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in American Canyon

In American Canyon in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in American Canyon, you can refer to this Hourly UV Index in American Canyon.

Maximum UV Index Levels in American Canyon for October

The chart shows the monthly maximum UV Index (UVI) for American Canyon in October, 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 October, the maximum UV index in American Canyon typically reaches 6, which falls under the high exposure category.

Data source: American Canyon October 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 October 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 October’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 October’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