October weather forecast
Tyonek, AK

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Weather in October

October, the same as September, is an icy autumn month in Tyonek, Alaska, with an average temperature fluctuating between 37°F (2.8°C) and 30.2°F (-1°C).

Temperature

The average high-temperature decreases in October, shifting from a fresh 50°F (10°C) in September to a wintry 37°F (2.8°C). October is characterized by a steady nighttime low-temperature of 30.2°F (-1°C).

Humidity

In October, the average relative humidity is 78%.

Rainfall

October is the month with the most rainfall. Rain falls for 15.8 days and accumulates 4.61" (117mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Tyonek, in October, snow falls for 6.2 days, with typically accumulated 3.74" (95mm) of snow. Throughout the year, there are 99.7 snowfall days, and 99.45" (2526mm) of snow is accumulated.

Daylight

The average length of the day in October is 9h and 59min.
On the first day of October, sunrise is at 8:13 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 9:31 am and sunset at 6:04 pm AKDT.

Sunshine

The average sunshine in October is 4.4h.

UV index

The months with the lowest UV index are March, October and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 1 in October interprets into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in October?

In October, the average high-temperature and low-temperature are 37°F (2.8°C) and 30.2°F (-1°C) respectively.

What is the average humidity in October?

In October, the average relative humidity is 78%.

What is the wettest month in Tyonek?

The month with the most rainfall is October, when the rain falls for 15.8 days and typically aggregates up to 4.61" (117mm) of precipitation.

How many days does it rain in October?

In Tyonek, in October, during 15.8 rainfall days, 4.61" (117mm) of precipitation is typically accumulated.

How many days does it snow in October?

In Tyonek, in October, during 6.2 snowfall days, 3.74" (95mm) of snow is typically accumulated.

What is the average length of the day in October?

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

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 8:13 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 9:31 am and sunset at 6:04 pm AKDT.

How long on average sun shines in October?

In Tyonek, the average sunshine duration in October is 4.4h.

What are the months with the lowest UV index?

The months with the lowest UV index are March, October and December, with an average maximum UV index of 1.

What is the UV index reading in October?

The average daily maximum UV index in October is 1. A UV Index estimate of 2, and below, represents a low health risk 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
Tyonek, AK

Average temperature in October - Tyonek, AK
  • Average high temperature in October: 37°F

The warmest month (with the highest average high temperature) is July (63.1°F).
The month with the lowest average high temperature is January (16.2°F).

  • Average low temperature in October: 30.2°F

The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).

Average pressure in October
Tyonek, AK

Average pressure in October - Tyonek, AK
  • Average pressure in October: 29.71"Hg

The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is December (29.68"Hg).

Average wind speed in October
Tyonek, AK

Average wind speed in October - Tyonek, AK
  • Average wind speed in October: 6.5mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).

Average humidity in October
Tyonek, AK

Average humidity in October - Tyonek, AK
  • Average humidity in October: 78%

The months with the highest relative humidity are March and April (86%).
The months with the lowest relative humidity are May and June (69%).

Average rainfall in October
Tyonek, AK

Average rainfall in October - Tyonek, AK
  • Average rainfall in October: 4.61"

The wettest month (with the highest rainfall) is October (4.61").
The driest month (with the least rainfall) is June (1.38").

Average rainfall days in October
Tyonek, AK

Average rainfall days in October - Tyonek, AK
  • Average rainfall days in October: 15.8 days

The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in October
Tyonek, AK

Average snowfall in October - Tyonek, AK
  • Average snowfall in October: 3.74"

The month with the highest snowfall is December (24.17").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Tyonek, AK

Average snowfall days in October - Tyonek, AK
  • Average snowfall days in October: 6.2 days

The month with the highest number of snowfall days is December (17.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in October / Average sunshine in October - Tyonek, AK
  • Average daylight in October: 10h and 0min

The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).

  • Average sunshine in October: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).

Average sunshine days in October
Tyonek, AK

Average sunshine days in October - Tyonek, AK
  • Average sunshine days in October: 10.8 days

The month with the most sunshine days is January (15.8 days).
The month with the least sunshine days is September (8.4 days).

Average UV index in October
Tyonek, AK

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

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are March, October and December (UV index 1).

Average cloud cover in October
Tyonek, AK

Average cloud cover in October - Tyonek, AK
  • Average cloud cover in October: 58

The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is June (Cloud cover 48).

Average visibility in October
Tyonek, AK

Average visibility in October - Tyonek, AK
  • Average visibility in October: 5mi

The months with the highest visibility are May, June and July (6mi).
The month with the lowest visibility is April (4mi).

Tyonek, Alaska, USA

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