October weather forecast
Sonoma, CA

Neat rows of vines in a vineyard farm in Sonoma, California
Neat rows of vines in a vineyard farm in Sonoma, California

Weather in October

October, like September, is an agreeable autumn month in Sonoma, California, with an average temperature varying between 73.2°F (22.9°C) and 51.6°F (10.9°C).

Temperature

In October, the average high-temperature slightly decreases from a moderately hot 81.1°F (27.3°C) in September to a pleasant 73.2°F (22.9°C). In October, the average low-temperature is 51.6°F (10.9°C).

Humidity

In October, the average relative humidity is 60%.

Rainfall

In October, in Sonoma, the rain falls for 4.6 days. Throughout October, 0.83" (21mm) of precipitation is accumulated. Throughout the year, in Sonoma, California, there are 73.3 rainfall days, and 15.47" (393mm) of precipitation is accumulated.

Daylight

The average length of the day in October is 11h and 11min.
On the first day of October in Sonoma, sunrise is at 7:05 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:11 pm PDT.

Sunshine

In Sonoma, the average sunshine in October is 7h.

UV index

In October, the average daily maximum UV index in Sonoma is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In October, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
[Resources]

FAQ

What is the average humidity in October in Sonoma?

In Sonoma, California, the average relative humidity in October is 60%.

How much does it rain in Sonoma in October?

In October, in Sonoma, California, the rain falls for 4.6 days. Throughout October, 0.83" (21mm) of precipitation is accumulated.

What is the average length of the day in October in Sonoma?

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

When is the sunrise / sunset in October in Sonoma?

On the first day of October in Sonoma, sunrise is at 7:05 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:11 pm PDT.

How many hours of sunshine does Sonoma have in October?

The average sunshine duration in October is 7h.

What is the UV index reading in October in Sonoma?

The average daily maximum UV index in October in Sonoma is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.

Average temperature in October
Sonoma, CA

Average temperature in October - Sonoma, CA
  • Average high temperature in October: 73.2°F

The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in October: 51.6°F

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

[Resources]

Average pressure in October
Sonoma, CA

Average pressure in October - Sonoma, CA
  • Average pressure in October: 29.98"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is June (29.91").

[Resources]

Average wind speed in October
Sonoma, CA

Average wind speed in October - Sonoma, CA
  • Average wind speed in October: 4.6mph

The windiest month (with the highest average wind speed) is May (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).

[Resources]

Average humidity in October
Sonoma, CA

Average humidity in October - Sonoma, CA
  • Average humidity in October: 60%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (59%).

[Resources]

Average rainfall in October
Sonoma, CA

Average rainfall in October - Sonoma, CA
  • Average rainfall in October: 0.83"

The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.04").

[Resources]

Average rainfall days in October
Sonoma, CA

Average rainfall days in October - Sonoma, CA
  • Average rainfall days in October: 4.6 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (0.8 days).

[Resources]

Average daylight in October /
Average sunshine in October
Sonoma, CA

Average daylight in October / Average sunshine in October - Sonoma, CA
  • Average daylight in October: 11h and 11min

The month with the longest days is June (Average daylight: 14h and 47min).
The month with the shortest days is December (Average daylight: 9h and 33min).

  • Average sunshine in October: 7h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.6h).

[Resources]

Average sunshine days in October
Sonoma, CA

Average sunshine days in October - Sonoma, CA
  • Average sunshine days in October: 25.3 days

The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (16.1 days).

[Resources]

Average UV index in October
Sonoma, CA

Average UV index in October - Sonoma, CA
  • Average UV index in October: 4

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

[Resources]

Average cloud cover in October
Sonoma, CA

Average cloud cover in October - Sonoma, CA
  • Average cloud cover in October: 18

The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).

[Resources]

Average visibility in October
Sonoma, CA

Average visibility in October - Sonoma, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location