October weather forecast and climate
Port Clarence, AK

Weather in October

October, like September, in Port Clarence, Alaska, is another cold autumn month, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 33.6°F (0.9°C).

Temperature

In October, the average high-temperature slightly decreases, from a chilly 44.8°F (7.1°C) in September, to a cold 36.7°F (2.6°C). The average low-temperature, in Port Clarence, is 33.6°F (0.9°C).

Humidity

October and November, with an average relative humidity of 79%, are the least humid months in Port Clarence.

Rainfall

In Port Clarence, Alaska, during October, the rain falls for 9.8 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Port Clarence, during the entire year, the rain falls for 86.5 days and collects up to 14.25" (362mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In October, in Port Clarence, it is snowing for 9.2 days. Throughout October, 1.5" (38mm) of snow is accumulated. Throughout the year, there are 90 snowfall days, and 20.51" (521mm) of snow is accumulated.

Daylight

In Port Clarence, Alaska, the average length of the day is 9.5h.

Sunshine

In Port Clarence, the average sunshine is 3.6h.

UV index

Months with the lowest UV index are January through April, October through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 1 in October transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Port Clarence?

In October, in Port Clarence, Alaska, the average high-temperature is 36.7°F (2.6°C), and the average low-temperature is 33.6°F (0.9°C).

What is the least humid month in Port Clarence?

October and November, with an average relative humidity of 79%, are the least humid months in Port Clarence.

What is the average humidity in October in Port Clarence?

In Port Clarence, Alaska, the average relative humidity in October is 79%.

How many days does it rain in October in Port Clarence?

In Port Clarence, Alaska, during October, the rain falls for 9.8 days and regularly aggregates up to 1.5" (38mm) of precipitation.

How much does it snow in Port Clarence in October?

In Port Clarence, Alaska, during October, snow falls for 9.2 days and regularly aggregates up to 1.5" (38mm) of snow.

What is the average length of the day in October in Port Clarence?

The average length of the day in October in Port Clarence is 9.5h.

How long on average sun shines in October in Port Clarence?

In Port Clarence, the average sunshine in October is 3.6h.

What is the month with the lowest UV index in Port Clarence?

Months with the lowest UV index in Port Clarence, Alaska, are January through April, October through December, with an average maximum UV index of 1.

What is the UV index reading in October in Port Clarence?

In Port Clarence, Alaska, the average daily maximum UV index in October is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.

Average temperature in October
Port Clarence, AK

Average temperature in October - Port Clarence, AK
  • Average high temperature in October: 36.7°F

The warmest month (with the highest average high temperature) is August (50°F).
The month with the lowest average high temperature is January (9°F).

  • Average low temperature in October: 33.6°F

The month with the highest average low temperature is August (45.3°F).
The coldest months (with the lowest average low temperature) are February and March (1.8°F).

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Average pressure in October
Port Clarence, AK

Average pressure in October - Port Clarence, AK
  • Average pressure in October: 29.72"

The month with the highest atmospheric pressure is May (29.96").
The month with the lowest atmospheric pressure is October (29.72").

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Average wind speed in October
Port Clarence, AK

Average wind speed in October - Port Clarence, AK
  • Average wind speed in October: 15.5mph

The windiest month (with the highest average wind speed) is December (17.5mph).
The calmest month (with the lowest average wind speed) is May (12mph).

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Average humidity in October
Port Clarence, AK

Average humidity in October - Port Clarence, AK
  • Average humidity in October: 79%

The month with the highest relative humidity is March (93%).
Months with the lowest relative humidity are October and November (79%).

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Average rainfall in October
Port Clarence, AK

Average rainfall in October - Port Clarence, AK
  • Average rainfall in October: 1.5"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in October
Port Clarence, AK

Average rainfall days in October - Port Clarence, AK
  • Average rainfall days in October: 9.8 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (1.3 days).

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Average snowfall in October
Port Clarence, AK

Average snowfall in October - Port Clarence, AK
  • Average snowfall in October: 1.5"

The month with the highest snowfall is February (3.62").
Months with the least snowfall are July and August (0").

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Average snowfall days in October
Port Clarence, AK

Average snowfall days in October - Port Clarence, AK
  • Average snowfall days in October: 9.2 days

The month with the highest number of snowfall days is April (13 days).
The month with the least snowfall days is July (0 days).

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Average daylight in October /
Average sunshine in October
Port Clarence, AK

Average daylight in October / Average sunshine in October - Port Clarence, AK
  • Average daylight in October: 9.5h

The month with the longest days is June (Average daylight: 22h).
The month with the shortest days is December (Average daylight: 3.7h).

  • Average sunshine in October: 3.6h

The month with the most sunshine is August (Average sunshine: 5.7h).
The month with the least sunshine is June (Average sunshine: 0.6h).

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Average sunshine days in October
Port Clarence, AK

Average sunshine days in October - Port Clarence, AK
  • Average sunshine days in October: 11.1 days

The month with the most sunshine days is June (18.4 days).
The month with the least sunshine days is October (11.1 days).

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Average UV index in October
Port Clarence, AK

Average UV index in October - Port Clarence, AK
  • Average UV index in October: 1

The month with the highest UV index is July (UV index 3).
Months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).

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Average cloud cover in October
Port Clarence, AK

Average cloud cover in October - Port Clarence, AK
  • Average cloud cover in October: 68

The month with the most cloud cover is February (Cloud cover 78).
The month with the least cloud cover is June (Cloud cover 52).

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Average visibility in October
Port Clarence, AK

Average visibility in October - Port Clarence, 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, November and December (5mi).

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