October weather forecast
Graton, CA

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Weather in October

October, the same as September, in Graton, California, is an agreeable autumn month, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 51.8°F (11°C).

Temperature

October's onset introduces a mild reduction in the average high-temperature, from a warm 79°F (26.1°C) in September to an agreeable 72.3°F (22.4°C). The average temperature during October nights in Graton is registered at a cool 51.8°F (11°C).

Humidity

In October, the average relative humidity in Graton is 64%.

Rainfall

In Graton, in October, it is raining for 4.8 days, with typically 0.67" (17mm) of accumulated precipitation. In Graton, during the entire year, the rain falls for 72.8 days and collects up to 12.01" (305mm) of precipitation.

Daylight

In October, the average length of the day in Graton, California, is 11h and 11min.
On the first day of October in Graton, sunrise is at 7:08 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 6:12 pm PDT.

Sunshine

In October, the average sunshine is 6.9h.

UV index

In October, the average daily maximum UV index in Graton is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 in October interprets into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the temperature in October in Graton?

The average high-temperature, in October, in Graton, is 72.3°F (22.4°C), while the average low-temperature is 51.8°F (11°C).

What is the average humidity in October in Graton?

In Graton, the average relative humidity in October is 64%.

How many days does it rain in October in Graton?

In Graton, in October, it is raining for 4.8 days, with typically 0.67" (17mm) of accumulated precipitation.

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

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

When is the sunrise / sunset in October in Graton?

In October, on the first day of the month, sunrise is at 7:08 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 6:12 pm PDT.

How many hours of sunshine does Graton have in October?

In Graton, the average sunshine duration in October is 6.9h.

How high is the UV index in October in Graton?

In Graton, the average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Graton, CA

Average temperature in October - Graton, CA
  • Average high temperature in October: 72.3°F

The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in October: 51.8°F

The months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure in October
Graton, CA

Average pressure in October - Graton, CA
  • Average pressure in October: 29.99"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
Graton, CA

Average wind speed in October - Graton, CA
  • Average wind speed in October: 5.1mph

The windiest month (with the highest average wind speed) is May (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average humidity in October
Graton, CA

Average humidity in October - Graton, CA
  • Average humidity in October: 64%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (63%).

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Average rainfall in October
Graton, CA

Average rainfall in October - Graton, CA
  • Average rainfall in October: 0.67"

The wettest month (with the highest rainfall) is February (2.64").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in October
Graton, CA

Average rainfall days in October - Graton, CA
  • Average rainfall days in October: 4.8 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.8 days).

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

Average daylight in October / Average sunshine in October - Graton, 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 30min).

  • Average sunshine in October: 6h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in October
Graton, CA

Average sunshine days in October - Graton, CA
  • Average sunshine days in October: 24.8 days

The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is March (17.1 days).

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Average UV index in October
Graton, CA

Average UV index in October - Graton, 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
Graton, CA

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

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in October
Graton, CA

Average visibility in October - Graton, 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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Graton, California, USA

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