October weather forecast
American Canyon, CA

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Weather in October

October, like September, in American Canyon, California, is a moderately hot autumn month, with an average temperature fluctuating between 73.6°F (23.1°C) and 53.2°F (11.8°C).

Temperature

The advent of October brings a slight shift in average high-temperature, moving from a moderately hot 81.7°F (27.6°C) in September to a still warm 73.6°F (23.1°C). American Canyon records a consistent low-temperature of 53.2°F (11.8°C) during October nights.

Humidity

In October, the average relative humidity is 59%.

Rainfall

In American Canyon, California, in October, it is raining for 4.6 days, with typically 0.67" (17mm) of accumulated precipitation. In American Canyon, California, during the entire year, the rain falls for 68.2 days and collects up to 11.93" (303mm) of precipitation.

Daylight

The average length of the day in October is 11h and 11min.
On the first day of October, sunrise is at 7:05 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:10 pm PDT.

Sunshine

In American Canyon, the average sunshine in October is 7.1h.

UV index

In October, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 4 during October translates into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

In October, in American Canyon, the average high-temperature is 73.6°F (23.1°C), and the average low-temperature is 53.2°F (11.8°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 84.2°F (29°C).

What is the average humidity in October?

The average relative humidity in October is 59%.

How much does it rain in October?

In October, in American Canyon, the rain falls for 4.6 days. Throughout October, 0.67" (17mm) of precipitation is accumulated.

How many hours of daylight does American Canyon have in October?

In American Canyon, the average day length in October is 11h and 11min.

When are sunrise and sunset in October in American Canyon?

In October, on the first day of the month, sunrise is at 7:05 am and sunset at 6:51 pm. On the last day of the month, in American Canyon, sunrise is at 7:34 am and sunset at 6:10 pm PDT.

How many hours of sunshine does American Canyon have in October?

In October, the average sunshine duration is 7.1h.

What is the UV index reading in October?

In October, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
American Canyon, CA

Average temperature in October - American Canyon, CA
  • Average high temperature in October: 73.6°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (54.9°F).

  • Average low temperature in October: 53.2°F

The month with the highest average low temperature is August (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (42.3°F).

Average pressure in October
American Canyon, CA

Average pressure in October - American Canyon, CA
  • Average pressure in October: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in October
American Canyon, CA

Average wind speed in October - American Canyon, CA
  • Average wind speed in October: 4.8mph

The windiest month (with the highest average wind speed) is May (6.6mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).

Average humidity in October
American Canyon, CA

Average humidity in October - American Canyon, CA
  • Average humidity in October: 59%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (58%).

Average rainfall in October
American Canyon, CA

Average rainfall in October - American Canyon, CA
  • Average rainfall in October: 0.67"

The wettest month (with the highest rainfall) is February (2.32").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in October
American Canyon, CA

Average rainfall days in October - American Canyon, CA
  • Average rainfall days in October: 4.6 days

The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is August (0.9 days).

Average daylight in October /
Average sunshine in October
American Canyon, CA

Average daylight in October / Average sunshine in October - American Canyon, CA
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 7h and 1min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in October
American Canyon, CA

Average sunshine days in October - American Canyon, CA
  • Average sunshine days in October: 25.5 days

The months with the most sunshine days are July and August (29.1 days).
The month with the least sunshine days is March (18.3 days).

Average UV index in October
American Canyon, CA

Average UV index in October - American Canyon, CA
  • Average UV index in October: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in October
American Canyon, CA

Average cloud cover in October - American Canyon, CA
  • Average cloud cover in October: 16

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 7).

Average visibility in October
American Canyon, CA

Average visibility in October - American Canyon, CA
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

American Canyon, California, USA

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