October weather forecast
San Lorenzo, CA

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Weather in October

October, like September, is an agreeable autumn month in San Lorenzo, California, with an average temperature fluctuating between 54°F (12.2°C) and 71.8°F (22.1°C).

Temperature

October's arrival aligns with a minor decrease in average high-temperatures, from September's moderately hot 78.3°F (25.7°C) to a pleasant 71.8°F (22.1°C). Throughout the month of October, San Lorenzo reports a steady low-temperature average of 54°F (12.2°C).

Humidity

In San Lorenzo, the average relative humidity in October is 63%.

Rainfall

In San Lorenzo, California, in October, it is raining for 3.2 days, with typically 0.16" (4mm) of accumulated precipitation. In San Lorenzo, during the entire year, the rain falls for 56.9 days and collects up to 4.06" (103mm) of precipitation.

Daylight

In San Lorenzo, the average length of the day in October is 11h and 12min.
On the first day of October in San Lorenzo, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:10 pm PDT.

Sunshine

The average sunshine in October in San Lorenzo is 7.1h.

UV index

The average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 4 during October translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

What are the temperatures in San Lorenzo in October?

In San Lorenzo, in October, the average high-temperature is 71.8°F (22.1°C), and the average low-temperature is 54°F (12.2°C).

What is the average humidity in October in San Lorenzo?

The average relative humidity in October in San Lorenzo is 63%.

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

In October, the rain falls for 3.2 days. Throughout October, 0.16" (4mm) of precipitation is accumulated.

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

In San Lorenzo, California, the average day length in October is 11h and 12min.

What time are sunrise and sunset in October in San Lorenzo?

On the first day of October in San Lorenzo, California, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:10 pm PDT.

How long on average sun shines in October in San Lorenzo?

In San Lorenzo, the average sunshine duration in October is 7.1h.

How high is the UV index in October in San Lorenzo?

In October, the average daily maximum UV index in San Lorenzo, California, is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
San Lorenzo, CA

Average temperature in October - San Lorenzo, CA
  • Average high temperature in October: 71.8°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (56.1°F).

  • Average low temperature in October: 54°F

The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (44.1°F).

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Average pressure in October
San Lorenzo, CA

Average pressure in October - San Lorenzo, 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 Lorenzo, CA

Average wind speed in October - San Lorenzo, CA
  • Average wind speed in October: 4.8mph

The windiest month (with the highest average wind speed) is May (6.7mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

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Average humidity in October
San Lorenzo, CA

Average humidity in October - San Lorenzo, CA
  • Average humidity in October: 63%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (62%).

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Average rainfall in October
San Lorenzo, CA

Average rainfall in October - San Lorenzo, CA
  • Average rainfall in October: 0.16"

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

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Average rainfall days in October
San Lorenzo, CA

Average rainfall days in October - San Lorenzo, CA
  • Average rainfall days in October: 3.2 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.7 days).

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 7h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in October
San Lorenzo, CA

Average sunshine days in October - San Lorenzo, CA
  • Average sunshine days in October: 26 days

The month with the most sunshine days is July (27.9 days).
The month with the least sunshine days is March (18.6 days).

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Average UV index in October
San Lorenzo, CA

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

The month with the highest UV index is June (UV index 6).
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 Lorenzo, CA

Average cloud cover in October - San Lorenzo, CA
  • Average cloud cover in October: 16

The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 7).

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Average visibility in October
San Lorenzo, CA

Average visibility in October - San Lorenzo, 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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San Lorenzo, California, USA

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