October weather forecast
Mendeltna, AK

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Weather in October

October, like September, is another subzero cold autumn month in Mendeltna, Alaska, with an average temperature varying between 19.9°F (-6.7°C) and 27.7°F (-2.4°C).

Temperature

The shift from September to October brings a noticeable decrease in the average high-temperature, dropping from a chilly 43.2°F (6.2°C) to a freezing cold 27.7°F (-2.4°C). Mendeltna registers a steady nighttime temperature averaging a still subzero cold 19.9°F (-6.7°C) throughout October.

Humidity

In Mendeltna, the average relative humidity in October is 84%.

Rainfall

In Mendeltna, in October, during 11.7 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 165.3 rainfall days, and 17.99" (457mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, August through December. In October, it is snowing for 20.3 days. Throughout October, 11.5" (292mm) of snow is accumulated. Throughout the year, there are 161.6 snowfall days, and 83.27" (2115mm) of snow is accumulated.

Daylight

In October, the average length of the day is 9h and 55min.
On the first day of the month, sunrise is at 7:55 am and sunset at 7:14 pm. On the last day of October, sunrise is at 9:17 am and sunset at 5:41 pm AKDT.

Sunshine

The average sunshine in October is 6h.

UV index

The months with the lowest UV index in Mendeltna are January, April, September through December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 1 in October translates into these instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

How cold is it in October?

The high-temperature, in October, in Mendeltna, records 27.7°F (-2.4°C), while the low-temperature is 19.9°F (-6.7°C).

What is the average humidity in October?

In Mendeltna, the average relative humidity in October is 84%.

How many days does it rain in October?

In October, the rain falls for 11.7 days. Throughout October, 1.65" (42mm) of precipitation is accumulated.

How many days does it snow in October?

In Mendeltna, in October, snow falls for 20.3 days, with typically accumulated 11.5" (292mm) of snow.

How many hours of daylight does Mendeltna have in October?

In Mendeltna, the average day length in October is 9h and 55min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 7:55 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 9:17 am and sunset at 5:41 pm AKDT.

How long on average sun shines in October?

In Mendeltna, the average sunshine duration in October is 6h.

What are the months with the lowest UV index?

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

What is the UV index reading in October?

In Mendeltna, the average daily maximum UV index in October is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Mendeltna, AK

Average temperature in October - Mendeltna, AK
  • Average high temperature in October: 27.7°F

The warmest month (with the highest average high temperature) is July (57.7°F).
The month with the lowest average high temperature is January (6.3°F).

  • Average low temperature in October: 19.9°F

The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (-5.6°F).

Average pressure in October
Mendeltna, AK

Average pressure in October - Mendeltna, AK
  • Average pressure in October: 29.75"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.74"Hg).

Average wind speed in October
Mendeltna, AK

Average wind speed in October - Mendeltna, AK
  • Average wind speed in October: 4mph

The windiest month (with the highest average wind speed) is June (5mph).
The calmest month (with the lowest average wind speed) is March (3.9mph).

Average humidity in October
Mendeltna, AK

Average humidity in October - Mendeltna, AK
  • Average humidity in October: 84%

The months with the highest relative humidity are March and December (90%).
The month with the lowest relative humidity is June (64%).

Average rainfall in October
Mendeltna, AK

Average rainfall in October - Mendeltna, AK
  • Average rainfall in October: 1.65"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is April (0.83").

Average rainfall days in October
Mendeltna, AK

Average rainfall days in October - Mendeltna, AK
  • Average rainfall days in October: 11.7 days

The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is February (9.1 days).

Average snowfall in October
Mendeltna, AK

Average snowfall in October - Mendeltna, AK
  • Average snowfall in October: 11.5"

The month with the highest snowfall is December (14.49").
The month with the least snowfall is July (0").

Average snowfall days in October
Mendeltna, AK

Average snowfall days in October - Mendeltna, AK
  • Average snowfall days in October: 20.3 days

The month with the highest number of snowfall days is December (22.3 days).
The month with the least snowfall days is July (0 days).

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

Average daylight in October / Average sunshine in October - Mendeltna, AK
  • Average daylight in October: 9h and 5min

The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).

  • Average sunshine in October: 6h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).

Average sunshine days in October
Mendeltna, AK

Average sunshine days in October - Mendeltna, AK
  • Average sunshine days in October: 8.5 days

The month with the most sunshine days is May (10.7 days).
The month with the least sunshine days is June (6.8 days).

Average UV index in October
Mendeltna, AK

Average UV index in October - Mendeltna, 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, April, September, October, November and December (UV index 1).

Average cloud cover in October
Mendeltna, AK

Average cloud cover in October - Mendeltna, AK
  • Average cloud cover in October: 44

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in October
Mendeltna, AK

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

The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

Mendeltna, Alaska, USA

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