October weather forecast
Anchorage, AK

Wintertime in Anchorage, Alaska with mountains blanketed in snow
Wintertime in Anchorage, Alaska with mountains blanketed in snow

Weather in October

October, the same as September, is a wintry autumn month in Anchorage, Alaska, with an average temperature fluctuating between 35.2°F (1.8°C) and 41.7°F (5.4°C).

Temperature

In Anchorage, the average high-temperature in October drops from a cool 52.7°F (11.5°C) in September to a cold 41.7°F (5.4°C). In October, the average low-temperature is 35.2°F (1.8°C).

Humidity

In Anchorage, the average relative humidity in October is 75%.

Rainfall

In October, in Anchorage, Alaska, the rain falls for 15.2 days. Throughout October, 1.65" (42mm) of precipitation is accumulated. In Anchorage, Alaska, during the entire year, the rain falls for 139.9 days and collects up to 12.6" (320mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Anchorage, during October, snow falls for 2.4 days and regularly aggregates up to 0.51" (13mm) of snow. Throughout the year, in Anchorage, there are 59.3 snowfall days, and 23.5" (597mm) of snow is accumulated.

Ocean temperature

In Anchorage, in October, the average water temperature is 47.5°F (8.6°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In October, the average length of the day in Anchorage, Alaska, is 9h and 59min.
On the first day of October in Anchorage, sunrise is at 8:07 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 9:25 am and sunset at 6:00 pm AKDT.

Sunshine

The average sunshine in October in Anchorage is 6.2h.

UV index

The average daily maximum UV index in October in Anchorage is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in October interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 average humidity in October in Anchorage?

The average relative humidity in October in Anchorage, Alaska, is 75%.

How much does it rain in Anchorage in October?

In October, in Anchorage, Alaska, the rain falls for 15.2 days. Throughout October, 1.65" (42mm) of precipitation is accumulated.

How much does it snow in Anchorage in October?

In Anchorage, Alaska, in October, snow falls for 2.4 days, with typically accumulated 0.51" (13mm) of snow.

What is the water temperature in October in Anchorage?

In October, the average ocean temperature in Anchorage, Alaska, is 47.5°F (8.6°C). Swimming in 47.5°F (8.6°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

In October, the average day length is 9h and 59min.

When is the sunrise / sunset in October in Anchorage?

On the first day of October in Anchorage, Alaska, sunrise is at 8:07 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 9:25 am and sunset at 6:00 pm AKDT.

How long on average sun shines in October in Anchorage?

The average sunshine duration in October in Anchorage is 6.2h.

What is the UV index reading in October in Anchorage?

In Anchorage, Alaska, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Anchorage, AK

Average temperature in October - Anchorage, AK
  • Average high temperature in October: 41.7°F

The warmest month (with the highest average high temperature) is July (61.9°F).
The month with the lowest average high temperature is January (20.3°F).

  • Average low temperature in October: 35.2°F

The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

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Average pressure in October
Anchorage, AK

Average pressure in October - Anchorage, AK
  • Average pressure in October: 29.7"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.67"Hg).

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Average wind speed in October
Anchorage, AK

Average wind speed in October - Anchorage, AK
  • Average wind speed in October: 5.5mph

The windiest month (with the highest average wind speed) is November (6.3mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

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Average humidity in October
Anchorage, AK

Average humidity in October - Anchorage, AK
  • Average humidity in October: 75%

The months with the highest relative humidity are January, February and March (86%).
The month with the lowest relative humidity is May (68%).

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Average rainfall in October
Anchorage, AK

Average rainfall in October - Anchorage, AK
  • Average rainfall in October: 1.65"

The wettest month (with the highest rainfall) is September (1.93").
The driest month (with the least rainfall) is May (0.55").

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Average rainfall days in October
Anchorage, AK

Average rainfall days in October - Anchorage, AK
  • Average rainfall days in October: 15.2 days

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is February (7 days).

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Average snowfall in October
Anchorage, AK

Average snowfall in October - Anchorage, AK
  • Average snowfall in October: 0.51"

The month with the highest snowfall is December (5.51").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Anchorage, AK

Average snowfall days in October - Anchorage, AK
  • Average snowfall days in October: 2.4 days

The month with the highest number of snowfall days is December (11.6 days).
The months with the least snowfall days are June, July and August (0 days).

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Average sea temperature in October
Anchorage, AK

Average sea temperature in October - Anchorage, AK
  • Average sea temperature in October: 47.5°F

The best month for swimming (with the highest average sea temperature) is August (53.1°F).
The coldest month (with the lowest average sea temperature) is February (35.8°F).

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

Average daylight in October / Average sunshine in October - Anchorage, AK
  • Average daylight in October: 9h and 59min

The month with the longest days is June (Average daylight: 19h and 13min).
The month with the shortest days is December (Average daylight: 5h and 38min).

  • Average sunshine in October: 6h and 12min

The months with the most sunshine are May and June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).

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Average sunshine days in October
Anchorage, AK

Average sunshine days in October - Anchorage, AK
  • Average sunshine days in October: 13.4 days

The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is September (11.1 days).

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Average UV index in October
Anchorage, AK

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

The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in October
Anchorage, AK

Average cloud cover in October - Anchorage, AK
  • Average cloud cover in October: 43

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is May (Cloud cover 38).

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Average visibility in October
Anchorage, AK

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

The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is March (5mi).

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