Cordova
Alaska, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Cordova, AK

A boat-laden busy bay of Cordova, Alaska, with the view of forests and snow-peaked mountains
A boat-laden busy bay of Cordova, Alaska, with the view of forests and snow-peaked mountains
October, like September, is another chilly autumn month in Cordova, Alaska, with average temperature fluctuating between 46.8°F (8.2°C) and 36.5°F (2.5°C).

Temperature

In Cordova, the average high-temperature marginally drops, from a cool 55.2°F (12.9°C) in September, to a chilly 46.8°F (8.2°C). In Cordova, the average low-temperature is 36.5°F (2.5°C).

Rainfall

In Cordova, during October, the rain falls for 21 days and regularly aggregates up to 21" (532.6mm) of precipitation. In Cordova, Alaska, during the entire year, the rain falls for 206 days and collects up to 159.6" (4053mm) of precipitation.

Snowfall

Months with snowfall in Cordova are January through May, August, October through December. October is the first month it typically snows. Throughout October, Cordova receives 1.8" (45.7mm) of snow. Throughout the year, 111.3" (2827.1mm) of snow is accumulated.

Ocean temperature

In Cordova, the average seawater temperature is 49.8°F (9.9°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 is 10h.

Sunshine

In October, the average sunshine in Cordova is 4h.

UV index

In Cordova, Alaska, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 1 in October transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.

What is the temperature in October in Cordova?

In October, in Cordova, the average high-temperature is 46.8°F (8.2°C), and the average low-temperature is 36.5°F (2.5°C).

How many days does it rain in October in Cordova?

In Cordova, in October, during 21 rainfall days, 21" (532.6mm) of precipitation is typically accumulated.

When does it start to snow in Cordova?

October is the first month it typically snows. Throughout October, Cordova receives 1.8" (45.7mm) of snow.

What is the ocean temperature in October in Cordova?

In Cordova, Alaska, the average seawater temperature in October is 49.8°F (9.9°C). Swimming in 49.8°F (9.9°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Cordova have in October?

In October, the average length of the day in Cordova is 10h.

How long on average sun shines in October in Cordova?

In Cordova, the average sunshine in October is 4h.

What is the UV index reading in October in Cordova?

In Cordova, Alaska, the average daily maximum UV index in October is 1. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays.
Average temperature in October - Cordova, AK
  • Average high temperature in October: 46.7°F

The warmest month (with the highest average high temperature) is August (61.3°F).
The month with the lowest average high temperature is January (35°F).

  • Average low temperature in October: 36.5°F

The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average rainfall in October - Cordova, AK
  • Average rainfall in October: 21"

The wettest month (with the highest rainfall) is September (22.1").
The driest month (with the lowest rainfall) is June (6.7").

Average rainfall days in October - Cordova, AK
  • Average rainfall days in October: 21 days

Months with the highest number of rainy days are September and October (21 days).
Months with the lowest number of rainy days are February, March, April and June (15 days).

Average snowfall in October - Cordova, AK
  • Average snowfall in October: 1.8"

The month with the highest snowfall is December (25.3").
Months with the lowest snowfall are June, July and September (0").

Average sea temperature in October - Cordova, AK
  • Average sea temperature in October: 49.9°F

The best month for swimming (with the highest average sea temperature) is July (57.3°F).
The coldest month (with the lowest average sea temperature) is March (39.6°F).

Average daylight in October / Average sunshine in October - Cordova, AK
  • Average daylight in October: 10h

The month with the longest days is June (Average daylight: 18.9h).
The month with shortest days is December (Average daylight: 5.9h).

  • Average sunshine in October: 4h

Months with most sunshine are May and June (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 2h).

Average UV index in October - Cordova, AK
  • Average UV index in October: 1

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 0).