October weather forecast
Bethel Island, CA

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Weather in October

October, like September, in Bethel Island, California, is a moderately hot autumn month, with an average temperature fluctuating between 54°F (12.2°C) and 75.9°F (24.4°C).

Temperature

The commencement of October involves a temperature shift, with the average high-temperature dropping from 85.3°F (29.6°C) in September to a still moderately hot 75.9°F (24.4°C). October nights in Bethel Island showcase a dramatic shift from daytime highs to an average temperature of 54°F (12.2°C).

Humidity

In Bethel Island, the average relative humidity in October is 54%.

Rainfall

In October, in Bethel Island, California, the rain falls for 3.3 days. Throughout October, 0.51" (13mm) of precipitation is accumulated. In Bethel Island, during the entire year, the rain falls for 62 days and collects up to 10.16" (258mm) of precipitation.

Snowfall

In Bethel Island, snow does not fall in January through November.

Daylight

The average length of the day in October in Bethel Island is 11h and 11min.
On the first day of the month, sunrise is at 7:02 am and sunset at 6:48 pm. On the last day of October, in Bethel Island, sunrise is at 7:32 am and sunset at 6:08 pm PDT.

Sunshine

In Bethel Island, the average sunshine in October is 7.2h.

UV index

In Bethel Island, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In October, the maximum UV index of 4 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What is the average October temperature in Bethel Island?

The average high-temperature, in October, in Bethel Island, is 75.9°F (24.4°C), while the average low-temperature is 54°F (12.2°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 87.8°F (31°C).

What is the average humidity in October in Bethel Island?

The average relative humidity in October in Bethel Island is 54%.

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

In Bethel Island, in October, it is raining for 3.3 days, with typically 0.51" (13mm) of accumulated precipitation.

When it does not snow in Bethel Island?

In Bethel Island, California, snow does not fall in January through November.

What is the average length of the day in October in Bethel Island?

The average day length in October in Bethel Island is 11h and 11min.

When are sunrise and sunset in October in Bethel Island?

In October, on the first day of the month, sunrise is at 7:02 am and sunset at 6:48 pm. On the last day of the month, in Bethel Island, sunrise is at 7:32 am and sunset at 6:08 pm PDT.

How many hours of sunshine does Bethel Island have in October?

In October, the average sunshine duration in Bethel Island is 7.2h.

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

In Bethel Island, California, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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
Bethel Island, CA

Average temperature in October - Bethel Island, CA
  • Average high temperature in October: 75.9°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in October: 54°F

The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in October
Bethel Island, CA

Average pressure in October - Bethel Island, CA
  • Average pressure in October: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in October
Bethel Island, CA

Average wind speed in October - Bethel Island, CA
  • Average wind speed in October: 5.5mph

The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).

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Average humidity in October
Bethel Island, CA

Average humidity in October - Bethel Island, CA
  • Average humidity in October: 54%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).

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Average rainfall in October
Bethel Island, CA

Average rainfall in October - Bethel Island, CA
  • Average rainfall in October: 0.51"

The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in October
Bethel Island, CA

Average rainfall days in October - Bethel Island, CA
  • Average rainfall days in October: 3.3 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).

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Average snowfall days in October
Bethel Island, CA

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

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

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

Average daylight in October / Average sunshine in October - Bethel Island, 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: 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 48min).

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Average sunshine days in October
Bethel Island, CA

Average sunshine days in October - Bethel Island, CA
  • Average sunshine days in October: 26.9 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).

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Average UV index in October
Bethel Island, CA

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

The months with the highest UV index are June, July and August (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
Bethel Island, CA

Average cloud cover in October - Bethel Island, CA
  • Average cloud cover in October: 15

The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in October
Bethel Island, CA

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

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