October weather forecast and climate
Koyuk, AK

Weather in October

October, the same as September, is a wintry autumn month in Koyuk, Alaska, with average temperature ranging between min 30.6°F (-0.8°C) and max 36.3°F (2.4°C).

Temperature

In October, the average high-temperature drops, from a frosty 48.9°F (9.4°C) in September, to a cold 36.3°F (2.4°C). The average low-temperature, in Koyuk, is 30.6°F (-0.8°C).

Humidity

In Koyuk, the average relative humidity in October is 79%.

Rainfall

In Koyuk, Alaska, in October, during 11.5 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, in Koyuk, Alaska, there are 118.6 rainfall days, and 13.39" (340mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Koyuk are January through May, September through December. In Koyuk, during 6.1 snowfall days, 1.57" (40mm) of snow is typically accumulated. Throughout the year, there are 94.3 snowfall days, and 27.2" (691mm) of snow is accumulated.

Daylight

In October, the average length of the day in Koyuk is 9.6h.

Sunshine

The average sunshine in Koyuk is 4.9h.

UV index

The average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in October transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in October in Koyuk?

In October, in Koyuk, Alaska, the average high-temperature is 36.3°F (2.4°C), and the average low-temperature is 30.6°F (-0.8°C).

What is the average humidity in October in Koyuk?

In October, the average relative humidity is 79%.

How many days does it rain in October in Koyuk?

In Koyuk, in October, it is raining for 11.5 days, with typically 1.22" (31mm) of accumulated precipitation.

How many days does it snow in October in Koyuk?

In Koyuk, during October, snow falls for 6.1 days and regularly aggregates up to 1.57" (40mm) of snow.

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

In Koyuk, Alaska, the average length of the day in October is 9.6h.

How many hours of sunshine does Koyuk have in October?

In Koyuk, the average sunshine in October is 4.9h.

How high is the UV index in October in Koyuk?

In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in October
Koyuk, AK

Average temperature in October - Koyuk, AK
  • Average high temperature in October: 36.3°F

The warmest month (with the highest average high temperature) is July (59.5°F).
The month with the lowest average high temperature is January (9.1°F).

  • Average low temperature in October: 30.6°F

The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).

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Average pressure in October
Koyuk, AK

Average pressure in October - Koyuk, AK
  • Average pressure in October: 29.72"

The month with the highest atmospheric pressure is May (29.92").
The month with the lowest atmospheric pressure is October (29.72").

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Average wind speed in October
Koyuk, AK

Average wind speed in October - Koyuk, AK
  • Average wind speed in October: 9.6mph

The windiest month (with the highest average wind speed) is October (9.6mph).
The calmest month (with the lowest average wind speed) is June (6mph).

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Average humidity in October
Koyuk, AK

Average humidity in October - Koyuk, AK
  • Average humidity in October: 79%

The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is June (72%).

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Average rainfall in October
Koyuk, AK

Average rainfall in October - Koyuk, AK
  • Average rainfall in October: 1.22"

The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in October
Koyuk, AK

Average rainfall days in October - Koyuk, AK
  • Average rainfall days in October: 11.5 days

The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is January (2.7 days).

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Average snowfall in October
Koyuk, AK

Average snowfall in October - Koyuk, AK
  • Average snowfall in October: 1.57"

The month with the highest snowfall is November (4.76").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Koyuk, AK

Average snowfall days in October - Koyuk, AK
  • Average snowfall days in October: 6.1 days

The month with the highest number of snowfall days is March (16.7 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight in October /
Average sunshine in October
Koyuk, AK

Average daylight in October / Average sunshine in October - Koyuk, AK
  • Average daylight in October: 9.6h

The month with the longest days is June (Average daylight: 21.6h).
The month with the shortest days is December (Average daylight: 3.9h).

  • Average sunshine in October: 4.9h

The month with the most sunshine is May (Average sunshine: 8.3h).
The month with the least sunshine is June (Average sunshine: 2.9h).

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Average sunshine days in October
Koyuk, AK

Average sunshine days in October - Koyuk, AK
  • Average sunshine days in October: 15.4 days

The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is August (8.4 days).

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Average UV index in October
Koyuk, AK

Average UV index in October - Koyuk, AK
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 4).
Months with the lowest UV index are January, February, March and December (UV index 1).

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Average cloud cover in October
Koyuk, AK

Average cloud cover in October - Koyuk, AK
  • Average cloud cover in October: 55

The month with the most cloud cover is August (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 50).

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Average visibility in October
Koyuk, AK

Average visibility in October - Koyuk, AK
  • Average visibility in October: 6mi

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, April and December (4mi).

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