October weather forecast
Island Mountain, CA

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Weather in October

October, like September, in Island Mountain, California, is another refreshing autumn month, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 51.3°F (10.7°C).

Temperature

In October, the average high-temperature marginally decreases from an agreeable 69.8°F (21°C) in September to a comfortable 63.9°F (17.7°C). Throughout October, an average low-temperature of 51.3°F (10.7°C) is expected.

Humidity

In October, the average relative humidity in Island Mountain is 74%.

Rainfall

In Island Mountain, in October, it is raining for 6.7 days, with typically 1.97" (50mm) of accumulated precipitation. In Island Mountain, California, during the entire year, the rain falls for 102.7 days and collects up to 28.78" (731mm) of precipitation.

Snowfall

In Island Mountain, snow does not fall in January, March through December.

Daylight

The average length of the day in October in Island Mountain is 11h and 8min.
On the first day of October in Island Mountain, sunrise is at 7:11 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 6:12 pm PDT.

Sunshine

The average sunshine in October in Island Mountain is 6.7h.

UV index

In October, the average daily maximum UV index in Island Mountain, California, is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 in October interprets into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What are October temperatures in Island Mountain?

During October, Island Mountain experiences an average high-temperature of 63.9°F (17.7°C) and a low-temperature of 51.3°F (10.7°C).

What is the average humidity in October in Island Mountain?

The average relative humidity in October is 74%.

How many days does it rain in October in Island Mountain?

In Island Mountain, during October, the rain falls for 6.7 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow in Island Mountain?

In Island Mountain, California, snow does not fall in January, March through December.

How many hours of daylight does Island Mountain have in October?

In October, the average day length is 11h and 8min.

When is the sunrise / sunset in October in Island Mountain?

In October, on the first day of the month, sunrise is at 7:11 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 6:12 pm PDT.

How long on average sun shines in October in Island Mountain?

The average sunshine duration in October in Island Mountain is 6.7h.

How high is the UV index in October in Island Mountain?

The average daily maximum UV index in October in Island Mountain, California, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Island Mountain, CA

Average temperature in October - Island Mountain, CA
  • Average high temperature in October: 63.9°F

The warmest month (with the highest average high temperature) is September (69.8°F).
The month with the lowest average high temperature is December (53.4°F).

  • Average low temperature in October: 51.3°F

The months with the highest average low temperature are July, August and September (54.3°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).

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Average pressure in October
Island Mountain, CA

Average pressure in October - Island Mountain, CA
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.95"Hg).

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Average wind speed in October
Island Mountain, CA

Average wind speed in October - Island Mountain, CA
  • Average wind speed in October: 8.2mph

The windiest month (with the highest average wind speed) is June (10.6mph).
The calmest months (with the lowest average wind speed) are January and August (7.8mph).

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Average humidity in October
Island Mountain, CA

Average humidity in October - Island Mountain, CA
  • Average humidity in October: 74%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is September (72%).

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Average rainfall in October
Island Mountain, CA

Average rainfall in October - Island Mountain, CA
  • Average rainfall in October: 1.97"

The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in October
Island Mountain, CA

Average rainfall days in October - Island Mountain, CA
  • Average rainfall days in October: 6.7 days

The month with the highest number of rainy days is March (16.4 days).
The month with the least rainy days is August (1.8 days).

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Average snowfall days in October
Island Mountain, CA

Average snowfall days in October - Island Mountain, CA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in October /
Average sunshine in October
Island Mountain, CA

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 6h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in October
Island Mountain, CA

Average sunshine days in October - Island Mountain, CA
  • Average sunshine days in October: 23.3 days

The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (13.1 days).

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Average UV index in October
Island Mountain, CA

Average UV index in October - Island Mountain, CA
  • Average UV index in October: 4

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

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Average cloud cover in October
Island Mountain, CA

Average cloud cover in October - Island Mountain, CA
  • Average cloud cover in October: 24

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 10).

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Average visibility in October
Island Mountain, CA

Average visibility in October - Island Mountain, 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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Island Mountain, California, USA

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