October weather forecast and climate
Butte, AK

Weather in October

October, the same as September, is another cold autumn month in Butte, Alaska, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 26.6°F (-3°C).

Temperature

In October, the average high-temperature decreases, from a chilly 48.7°F (9.3°C) in September, to a cold 36.7°F (2.6°C). The average low-temperature, in October, is 26.6°F (-3°C).

Humidity

In October, the average relative humidity is 78%.

Rainfall

In Butte, during October, the rain falls for 15.5 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, in Butte, there are 190.7 rainfall days, and 17.4" (442mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Butte. In Butte, during 2.7 snowfall days, 1.38" (35mm) of snow is typically accumulated. Throughout the year, there are 76.2 snowfall days, and 33.5" (851mm) of snow is accumulated.

Daylight

The average length of the day in Butte is 9.9h.

Sunshine

The average sunshine in October is 6.4h.

UV index

The average daily maximum UV index in Butte is 2. A UV Index reading of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 in October interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in October in Butte?

In October, in Butte, the average high-temperature is 36.7°F (2.6°C), and the average low-temperature is 26.6°F (-3°C).

What is the average humidity in October in Butte?

The average relative humidity in October in Butte, Alaska, is 78%.

How much does it rain in Butte in October?

In Butte, Alaska, during October, the rain falls for 15.5 days and regularly aggregates up to 1.81" (46mm) of precipitation.

How many days does it snow in October in Butte?

In October, in Butte, Alaska, it is snowing for 2.7 days. Throughout October, 1.38" (35mm) of snow is accumulated.

What is the average length of the day in October in Butte?

In Butte, Alaska, the average length of the day in October is 9.9h.

How long on average sun shines in October in Butte?

In October, the average sunshine is 6.4h.

What is the UV index intensity in October in Butte?

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

Average temperature in October
Butte, AK

Average temperature in October - Butte, AK
  • Average high temperature in October: 36.7°F

The warmest month (with the highest average high temperature) is July (61.2°F).
The month with the lowest average high temperature is January (18.1°F).

  • Average low temperature in October: 26.6°F

The month with the highest average low temperature is July (44.2°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

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Average pressure in October
Butte, AK

Average pressure in October - Butte, AK
  • Average pressure in October: 29.72"

The month with the highest atmospheric pressure is July (29.96").
Months with the lowest atmospheric pressure are November and December (29.7").

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Average wind speed in October
Butte, AK

Average wind speed in October - Butte, AK
  • Average wind speed in October: 4.7mph

The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is July (4mph).

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Average humidity in October
Butte, AK

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

The month with the highest relative humidity is March (87%).
Months with the lowest relative humidity are May and June (69%).

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Average rainfall in October
Butte, AK

Average rainfall in October - Butte, AK
  • Average rainfall in October: 1.81"

The wettest month (with the highest rainfall) is September (2.24").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days in October
Butte, AK

Average rainfall days in October - Butte, AK
  • Average rainfall days in October: 15.5 days

The month with the highest number of rainy days is June (22.4 days).
The month with the least rainy days is February (8.9 days).

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Average snowfall in October
Butte, AK

Average snowfall in October - Butte, AK
  • Average snowfall in October: 1.38"

The month with the highest snowfall is February (6.93").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Butte, AK

Average snowfall days in October - Butte, AK
  • Average snowfall days in October: 2.7 days

The month with the highest number of snowfall days is February (14.1 days).
Months with the least snowfall days are June, July and August (0 days).

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

Average daylight in October / Average sunshine in October - Butte, AK
  • Average daylight in October: 9.9h

The month with the longest days is June (Average daylight: 19.4h).
The month with the shortest days is December (Average daylight: 5.5h).

  • Average sunshine in October: 6.4h

The month with the most sunshine is May (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 3.9h).

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Average sunshine days in October
Butte, AK

Average sunshine days in October - Butte, AK
  • Average sunshine days in October: 11.6 days

The month with the most sunshine days is January (13.9 days).
The month with the least sunshine days is June (5.3 days).

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Average UV index in October
Butte, AK

Average UV index in October - Butte, AK
  • Average UV index in October: 2

Months with the highest UV index are June and July (UV index 4).
Months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in October
Butte, AK

Average cloud cover in October - Butte, AK
  • Average cloud cover in October: 40

The month with the most cloud cover is April (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 37).

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Average visibility in October
Butte, AK

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

Months with the highest visibility are May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are February, March and April (4mi).

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