October weather forecast
Larkspur, CA

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Weather in October

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

Temperature

Larkspur's weather in October displays an average high-temperature of a still agreeable 68.9°F (20.5°C), showing minor disparity from September's 72.3°F (22.4°C). In Larkspur, October nights witness a steady temperature drop to a cool 54.3°F (12.4°C).

Humidity

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

Rainfall

In Larkspur, in October, it is raining for 2.6 days, with typically 0.12" (3mm) of accumulated precipitation. In Larkspur, during the entire year, the rain falls for 48 days and collects up to 3.94" (100mm) of precipitation.

Daylight

In October, the average length of the day is 11h and 12min.
On the first day of the month, sunrise is at 7:06 am and sunset at 6:52 pm. On the last day of October, sunrise is at 7:35 am and sunset at 6:11 pm PDT.

Sunshine

In Larkspur, the average sunshine in October is 6.8h.

UV index

In October, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 4 in October translates into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

What are October temperatures?

During October, Larkspur experiences an average high-temperature of 68.9°F (20.5°C) and a low-temperature of 54.3°F (12.4°C).

What is the least humid month?

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

What is the average humidity in October?

In October, the average relative humidity is 68%.

How many days does it rain in October?

In October, the rain falls for 2.6 days. Throughout October, 0.12" (3mm) of precipitation is accumulated.

How many hours of daylight does Larkspur have in October?

In October, the average day length is 11h and 12min.

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 7:06 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 long on average sun shines in October in Larkspur?

In October, the average sunshine duration is 6.8h.

What is the UV index intensity in October?

The average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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
Larkspur, CA

Average temperature in October - Larkspur, 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).

Average pressure in October
Larkspur, CA

Average pressure in October - Larkspur, 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).

Average wind speed in October
Larkspur, CA

Average wind speed in October - Larkspur, 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).

Average humidity in October
Larkspur, CA

Average humidity in October - Larkspur, 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%).

Average rainfall in October
Larkspur, CA

Average rainfall in October - Larkspur, 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").

Average rainfall days in October
Larkspur, CA

Average rainfall days in October - Larkspur, 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).

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

Average daylight in October / Average sunshine in October - Larkspur, 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: 6h and 5min

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).

Average sunshine days in October
Larkspur, CA

Average sunshine days in October - Larkspur, 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).

Average UV index in October
Larkspur, CA

Average UV index in October - Larkspur, 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).

Average cloud cover in October
Larkspur, CA

Average cloud cover in October - Larkspur, 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).

Average visibility in October
Larkspur, CA

Average visibility in October - Larkspur, 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).

Larkspur, California, USA

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