October weather forecast
San Anselmo, CA

Weather in October

October, the same as September, in San Anselmo, California, is another pleasant autumn month, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 54.3°F (12.4°C).

Temperature

In October, the average high-temperature is practically the same as in September - a still pleasant 68.9°F (20.5°C). In October, the average low-temperature is 54.3°F (12.4°C).

Humidity

With an average relative humidity of 68%, October is the least humid month in San Anselmo, California.

Rainfall

In San Anselmo, during 2.6 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. Throughout the year, in San Anselmo, California, there are 48 rainfall days, and 3.94" (100mm) of precipitation is accumulated.

Daylight

In October, the average length of the day is 11h and 11min.
On the first day of the month, sunrise is at 7:05 am and sunset at 6:53 pm. On the last day of October, sunrise is at 7:34 am and sunset at 6:12 pm PDT.

Sunshine

In San Anselmo, the average sunshine in October is 6.8h.

UV index

The average daily maximum UV index in October in San Anselmo is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In October, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in October in San Anselmo?

The average high-temperature, in October, is 68.9°F (20.5°C), while the average low-temperature is 54.3°F (12.4°C).

What is the least humid month in San Anselmo?

The least humid month is October, with an average relative humidity of 68%.

What is the average humidity in October in San Anselmo?

In San Anselmo, the average relative humidity in October is 68%.

How many days does it rain in October in San Anselmo?

In San Anselmo, in October, it is raining for 2.6 days, with typically 0.12" (3mm) of accumulated precipitation.

How many hours of daylight does San Anselmo have in October?

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

When is the sunrise / sunset in October in San Anselmo?

In October, on the first day of the month, sunrise is at 7:05 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:12 pm PDT.

How many hours of sunshine does San Anselmo have in October?

In October, the average sunshine duration in San Anselmo is 6.8h.

What is the UV index intensity in October in San Anselmo?

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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
San Anselmo, CA

Average temperature in October - San Anselmo, CA
  • Average high temperature in October: 68.9°F

The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in October: 54.3°F

The month with the highest average low temperature is September (56.1°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).

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Average pressure in October
San Anselmo, CA

Average pressure in October - San Anselmo, CA
  • Average pressure in October: 29.98"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in October
San Anselmo, CA

Average wind speed in October - San Anselmo, CA
  • Average wind speed in October: 5.5mph

The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).

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Average humidity in October
San Anselmo, CA

Average humidity in October - San Anselmo, CA
  • Average humidity in October: 68%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in October
San Anselmo, CA

Average rainfall in October - San Anselmo, CA
  • Average rainfall in October: 0.12"

The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").

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Average rainfall days in October
San Anselmo, CA

Average rainfall days in October - San Anselmo, CA
  • Average rainfall days in October: 2.6 days

The month with the highest number of rainy days is March (8.8 days).
The months with the least rainy days are June and August (1.2 days).

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Average daylight in October /
Average sunshine in October
San Anselmo, CA

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

The month with the longest days is June (Average daylight: 14h and 46min).
The month with the shortest days is December (Average daylight: 9h and 35min).

  • Average sunshine in October: 6h and 48min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in October
San Anselmo, CA

Average sunshine days in October - San Anselmo, CA
  • Average sunshine days in October: 26.2 days

The month with the most sunshine days is June (26.4 days).
The month with the least sunshine days is March (20.7 days).

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Average UV index in October
San Anselmo, CA

Average UV index in October - San Anselmo, CA
  • Average UV index in October: 4

The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in October
San Anselmo, CA

Average cloud cover in October - San Anselmo, CA
  • Average cloud cover in October: 21

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).

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Average visibility in October
San Anselmo, CA

Average visibility in October - San Anselmo, 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).

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