October weather forecast
Libby, MT

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Weather in October

October presents a drastic fall in temperature in Libby, Montana, as compared to September's moderate climate. As the month progresses, weather conditions begin to resemble the early onset of winter. The arrival of October brings a considerable increase in rainfall, up to 1.57" (40mm) spread across 13.1 days. The increased cloud cover and lower visibility suggest that the warmth of the summer months is now firmly in the past.

Temperature

A decrease in the average high-temperature marks October, falling from September's comfortable 66°F (18.9°C) to a chilly 49.6°F (9.8°C). In October, Libby experiences a temperature dip to an average of 30.7°F (-0.7°C) at night.

Humidity

The average relative humidity in October is 76%.

Rainfall

In Libby, Montana, during October, the rain falls for 13.1 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Libby, during the entire year, the rain falls for 138.8 days and collects up to 18.15" (461mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In October, in Libby, it is snowing for 2.5 days. Throughout October, 1.18" (30mm) of snow is accumulated. Throughout the year, in Libby, there are 91.8 snowfall days, and 49.33" (1253mm) of snow is accumulated.

Daylight

The average length of the day in October is 10h and 48min.
On the first day of October, sunrise is at 7:42 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 6:23 pm MDT.

Sunshine

In Libby, the average sunshine in October is 6.4h.

UV index

In October, the average daily maximum UV index in Libby is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 2 in October translates into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Libby in October?

The average high-temperature and low-temperature during October are 49.6°F (9.8°C) and 30.7°F (-0.7°C) respectively.

What is the average humidity in October in Libby?

The average relative humidity in October in Libby is 76%.

How many days does it rain in October in Libby?

In Libby, in October, during 13.1 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How many days does it snow in October in Libby?

In October, in Libby, Montana, it is snowing for 2.5 days. Throughout October, 1.18" (30mm) of snow is accumulated.

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

In October, the average day length in Libby, Montana, is 10h and 48min.

When are sunrise and sunset in October in Libby?

In October, on the first day of the month, sunrise is at 7:42 am and sunset at 7:20 pm. On the last day of the month, in Libby, Montana, sunrise is at 8:27 am and sunset at 6:23 pm MDT.

How many hours of sunshine does Libby have in October?

The average sunshine duration in October in Libby is 6.4h.

What is the UV index intensity in October in Libby?

The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Libby, MT

Average temperature in October - Libby, MT
  • Average high temperature in October: 49.6°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (27.1°F).

  • Average low temperature in October: 30.7°F

The month with the highest average low temperature is August (47.3°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).

Average pressure in October
Libby, MT

Average pressure in October - Libby, MT
  • Average pressure in October: 30.05"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Libby, MT

Average wind speed in October - Libby, MT
  • Average wind speed in October: 3.8mph

The windiest months (with the highest average wind speed) are April and June (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).

Average humidity in October
Libby, MT

Average humidity in October - Libby, MT
  • Average humidity in October: 76%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (53%).

Average rainfall in October
Libby, MT

Average rainfall in October - Libby, MT
  • Average rainfall in October: 1.57"

The wettest month (with the highest rainfall) is December (2.24").
The driest month (with the least rainfall) is August (0.43").

Average rainfall days in October
Libby, MT

Average rainfall days in October - Libby, MT
  • Average rainfall days in October: 13.1 days

The month with the highest number of rainy days is April (17.5 days).
The month with the least rainy days is August (5.9 days).

Average snowfall in October
Libby, MT

Average snowfall in October - Libby, MT
  • Average snowfall in October: 1.18"

The month with the highest snowfall is January (11.34").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Libby, MT

Average snowfall days in October - Libby, MT
  • Average snowfall days in October: 2.5 days

The month with the highest number of snowfall days is December (20 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in October /
Average sunshine in October
Libby, MT

Average daylight in October / Average sunshine in October - Libby, MT
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in October: 6h and 2min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in October
Libby, MT

Average sunshine days in October - Libby, MT
  • Average sunshine days in October: 15.4 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (7.4 days).

Average UV index in October
Libby, MT

Average UV index in October - Libby, MT
  • Average UV index in October: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in October
Libby, MT

Average cloud cover in October - Libby, MT
  • Average cloud cover in October: 41

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in October
Libby, MT

Average visibility in October - Libby, MT
  • Average visibility in October: 5mi

The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).

Libby, Montana, USA

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