October weather forecast
Seward, AK

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The busy Small Boat Harbor in Seward City, Alaska
The busy Small Boat Harbor in Seward City, Alaska

Weather in October

October embraces autumn wholeheartedly in Seward, Alaska. An evident decrease in average temperature down to a high of 39.9°F (4.4°C) underlines the transition from September. The rainfall prevails generously pouring 7.56" (192mm) in October laying the foundation for a vibrant, autumnal transformation of Seward. Despite the persistent showers, life in Seward continues unabated, with residents and tourists alike soaking in the autumn vibe. Come October, and Seward transforms into a spectacle of mellow hues and softer light.

Temperature

The arrival of October signals a subtle shift in temperature, down from a frosty 48.7°F (9.3°C) in September to an icy 39.9°F (4.4°C). The temperature in Seward during October sees a subtle transition from day to night, averaging a low of 33.6°F (0.9°C).

Humidity

The average relative humidity in October in Seward is 83%.

Rainfall

In Seward, Alaska, in October, during 17.2 rainfall days, 7.56" (192mm) of precipitation is typically accumulated. Throughout the year, there are 166.9 rainfall days, and 56.06" (1424mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows in Seward. Throughout October, in the average 1.2 snowfall days, it receives 0.43" (11mm) of snow. Throughout the year, there are 72 snowfall days, and 73.19" (1859mm) of snow is accumulated.

Ocean temperature

In October, the average ocean temperature is 49.3°F (9.6°C).
Note: Dipping into 49.3°F (9.6°C) below 50°F (10°C) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 55.4°F (13°C) feels cold to the bone.

Daylight

The average length of the day in October is 10h and 5min.
On the first day of the month, sunrise is at 8:05 am and sunset at 7:28 pm. On the last day of October, sunrise is at 9:20 am and sunset at 6:02 pm AKDT.

Sunshine

In Seward, the average sunshine in October is 5.1h.

UV index

The months with the lowest UV index are January, October through December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In October, the maximum UV index of 1 suggests these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

Is it cold in Seward during October?

Seward in October has an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 33.6°F (0.9°C).

What is the average humidity in October in Seward?

In Seward, Alaska, the average relative humidity in October is 83%.

How many days does it rain in October in Seward?

In October, in Seward, the rain falls for 17.2 days. Throughout October, 7.56" (192mm) of precipitation is accumulated.

When does it start to snow in Seward?

October is the first month it typically snows in Seward. Throughout October, in the average 1.2 snowfall days, it receives 0.43" (11mm) of snow.

How cold is the water in October in Seward?

In Seward, in October, the average water temperature is 49.3°F (9.6°C). Swimming in 49.3°F (9.6°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 Seward?

In Seward, the average day length in October is 10h and 5min.

When are sunrise and sunset in October in Seward?

In October, on the first day of the month, sunrise is at 8:05 am and sunset at 7:28 pm. On the last day of the month, in Seward, Alaska, sunrise is at 9:20 am and sunset at 6:02 pm AKDT.

How long on average sun shines in October in Seward?

In October, the average sunshine duration is 5.1h.

What is the month with the lowest UV index in Seward?

January, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Seward, Alaska.

What is the UV index intensity in October in Seward?

In Seward, the average daily maximum UV index in October is 1. A UV Index reading of 2, and below, represents a low 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
Seward, AK

Average temperature in October - Seward, AK
  • Average high temperature in October: 39.9°F

The warmest month (with the highest average high temperature) is July (56.8°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in October: 33.6°F

The month with the highest average low temperature is July (47.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in October
Seward, AK

Average pressure in October - Seward, AK
  • Average pressure in October: 29.67"Hg

The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is November (29.61"Hg).

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Average wind speed in October
Seward, AK

Average wind speed in October - Seward, AK
  • Average wind speed in October: 7mph

The windiest month (with the highest average wind speed) is November (8.9mph).
The calmest month (with the lowest average wind speed) is June (4.8mph).

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Average humidity in October
Seward, AK

Average humidity in October - Seward, AK
  • Average humidity in October: 83%

The months with the highest relative humidity are March, April and December (87%).
The month with the lowest relative humidity is June (80%).

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Average rainfall in October
Seward, AK

Average rainfall in October - Seward, AK
  • Average rainfall in October: 7.56"

The wettest month (with the highest rainfall) is December (7.64").
The driest month (with the least rainfall) is June (2.09").

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Average rainfall days in October
Seward, AK

Average rainfall days in October - Seward, AK
  • Average rainfall days in October: 17.2 days

The month with the highest number of rainy days is August (19 days).
The month with the least rainy days is February (7.6 days).

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Average snowfall in October
Seward, AK

Average snowfall in October - Seward, AK
  • Average snowfall in October: 0.43"

The month with the highest snowfall is February (18.35").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Seward, AK

Average snowfall days in October - Seward, AK
  • Average snowfall days in October: 1.2 days

The month with the highest number of snowfall days is March (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in October
Seward, AK

Average sea temperature in October - Seward, AK
  • Average sea temperature in October: 49.3°F

The best month for swimming (with the highest average sea temperature) is August (56°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

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

Average daylight in October / Average sunshine in October - Seward, AK
  • Average daylight in October: 10h and 1min

The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).

  • Average sunshine in October: 5h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).

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Average sunshine days in October
Seward, AK

Average sunshine days in October - Seward, AK
  • Average sunshine days in October: 11.9 days

The month with the most sunshine days is January (13.8 days).
The month with the least sunshine days is September (10.6 days).

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Average UV index in October
Seward, AK

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

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, October, November and December (UV index 1).

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Average cloud cover in October
Seward, AK

Average cloud cover in October - Seward, AK
  • Average cloud cover in October: 52

The month with the most cloud cover is December (Cloud cover 55).
The months with the least cloud cover are March and November (Cloud cover 50).

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Average visibility in October
Seward, AK

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

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

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Seward, Alaska, USA

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