October weather forecast
Port Graham, AK

englishespañol中文
Share

Weather in October

October, the same as September, in Port Graham, Alaska, is another chilly autumn month, with an average temperature fluctuating between 43.7°F (6.5°C) and 39.7°F (4.3°C).

Temperature

Port Graham's progression into October involves a gentle drop in the average high-temperature, from a fresh 51.4°F (10.8°C) in September to a frosty 43.7°F (6.5°C). Port Graham nights in October witness a mild cool down to an average temperature of 39.7°F (4.3°C).

Humidity

The average relative humidity in October in Port Graham is 79%.

Rainfall

In Port Graham, in October, it is raining for 18.3 days, with typically 4.53" (115mm) of accumulated precipitation. Throughout the year, there are 179.8 rainfall days, and 36.57" (929mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Port Graham, during October, snow falls for 1.9 days and regularly aggregates up to 0.63" (16mm) of snow. In Port Graham, during the entire year, snow falls for 70.1 days and aggregates up to 38.58" (980mm) of snow.

Daylight

The average length of the day in October in Port Graham is 10h and 8min.
On the first day of the month, sunrise is at 8:14 am and sunset at 7:38 pm. On the last day of October, in Port Graham, sunrise is at 9:26 am and sunset at 6:15 pm AKDT.

Sunshine

The average sunshine in October is 4.8h.

UV index

The months with the lowest UV index are January through May, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: In October, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

Frequently asked questions

How cold is it in Port Graham in October?

The high-temperature, in October, in Port Graham, records 43.7°F (6.5°C), while the low-temperature is 39.7°F (4.3°C).

What is the average humidity in October in Port Graham?

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

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

In Port Graham, in October, during 18.3 rainfall days, 4.53" (115mm) of precipitation is typically accumulated.

How much does it snow in Port Graham in October?

In Port Graham, Alaska, in October, snow falls for 1.9 days, with typically accumulated 0.63" (16mm) of snow.

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

In October, the average day length in Port Graham, Alaska, is 10h and 8min.

What time are sunrise and sunset in October in Port Graham?

In October, on the first day of the month, sunrise is at 8:14 am and sunset at 7:38 pm. On the last day of the month, in Port Graham, Alaska, sunrise is at 9:26 am and sunset at 6:15 pm AKDT.

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

In October, the average sunshine duration is 4.8h.

What are the months with the lowest UV index in Port Graham?

January through May, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in October in Port Graham?

In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Port Graham, AK

Average temperature in October - Port Graham, AK
  • Average high temperature in October: 43.7°F

The warmest months (with the highest average high temperature) are July and August (55.9°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in October: 39.7°F

The month with the highest average low temperature is August (50.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

[Resources]

Average pressure in October
Port Graham, AK

Average pressure in October - Port Graham, AK
  • Average pressure in October: 29.65"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).

[Resources]

Average wind speed in October
Port Graham, AK

Average wind speed in October - Port Graham, AK
  • Average wind speed in October: 10.4mph

The windiest month (with the highest average wind speed) is December (12.2mph).
The calmest month (with the lowest average wind speed) is June (6.2mph).

[Resources]

Average humidity in October
Port Graham, AK

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

The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are May and November (78%).

[Resources]

Average rainfall in October
Port Graham, AK

Average rainfall in October - Port Graham, AK
  • Average rainfall in October: 4.53"

The wettest month (with the highest rainfall) is December (5.2").
The driest month (with the least rainfall) is June (1.38").

[Resources]

Average rainfall days in October
Port Graham, AK

Average rainfall days in October - Port Graham, AK
  • Average rainfall days in October: 18.3 days

The month with the highest number of rainy days is September (18.8 days).
The month with the least rainy days is February (9 days).

[Resources]

Average snowfall in October
Port Graham, AK

Average snowfall in October - Port Graham, AK
  • Average snowfall in October: 0.63"

The month with the highest snowfall is February (8.98").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in October
Port Graham, AK

Average snowfall days in October - Port Graham, AK
  • Average snowfall days in October: 1.9 days

The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in October: 4h and 5min

The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).

[Resources]

Average sunshine days in October
Port Graham, AK

Average sunshine days in October - Port Graham, AK
  • Average sunshine days in October: 9.7 days

The month with the most sunshine days is July (13.7 days).
The month with the least sunshine days is December (7.5 days).

[Resources]

Average UV index in October
Port Graham, AK

Average UV index in October - Port Graham, AK
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, May, October, November and December (UV index 2).

[Resources]

Average cloud cover in October
Port Graham, AK

Average cloud cover in October - Port Graham, AK
  • Average cloud cover in October: 56

The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 51).

[Resources]

Average visibility in October
Port Graham, AK

Average visibility in October - Port Graham, AK
  • Average visibility in October: 6mi

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

[Resources]

Port Graham, Alaska, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location