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 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 average high-temperature slightly decreases in October, shifting from a frosty 48.7°F (9.3°C) in September to a cold 39.9°F (4.4°C). An average temperature of 33.6°F (0.9°C) is logged during the nights of October, a small step down from daytime highs.

Humidity

In October, the average relative humidity is 83%.

Rainfall

In Seward, in October, it is raining for 17.2 days, with typically 7.56" (192mm) of accumulated precipitation. In Seward, during the entire year, the rain falls for 166.9 days and collects up to 56.06" (1424mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. 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: 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

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

Sunshine

In October, the average sunshine 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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 1 during October translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

How cold is October in Seward?

An average high-temperature, in October, in Seward, is 39.9°F (4.4°C) and the average low-temperature is 33.6°F (0.9°C).

What is the average humidity in October in Seward?

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

How many days does it rain in October?

In Seward, Alaska, during October, the rain falls for 17.2 days and regularly aggregates up to 7.56" (192mm) of precipitation.

When does it start snowing?

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

What is the water temperature in October?

In Seward, Alaska, 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?

The average day length in October is 10h and 5min.

What time are sunrise and sunset in October?

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

How many hours of sunshine does Seward have in October?

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

When is the lowest UV index?

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

How high is the UV index in October?

In Seward, the average daily maximum UV index in October is 1. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

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).

Seward, Alaska, USA

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