October weather forecast
Inverness, MT

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Weather in October

October, the same as September, is another fresh autumn month in Inverness, Montana, with an average temperature varying between 54°F (12.2°C) and 38.3°F (3.5°C).

Temperature

October is characterized by a clear drop in the average high-temperature, falling from September's agreeable 70.2°F (21.2°C) to a fresh 54°F (12.2°C). Inverness registers a consistent average low-temperature of 38.3°F (3.5°C) during October.

Humidity

In Inverness, the average relative humidity in October is 59%.

Rainfall

In Inverness, during October, the rain falls for 9.6 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 113.8 rainfall days, and 11.89" (302mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Inverness, Montana, during October, snow falls for 3.5 days and regularly aggregates up to 1.06" (27mm) of snow. In Inverness, during the entire year, snow falls for 65.1 days and aggregates up to 24.69" (627mm) of snow.

Daylight

In October, the average length of the day in Inverness, Montana, is 10h and 47min.
On the first day of October in Inverness, Montana, sunrise is at 7:23 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 6:03 pm MDT.

Sunshine

In October, the average sunshine is 6.6h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 2 in October leads to 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. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature in Inverness?

October temperatures in Inverness, Montana, vary between a high-temperature of 54°F (12.2°C) and a low-temperature of 38.3°F (3.5°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 82.4°F (28°C).

What is the average humidity in October in Inverness?

In Inverness, Montana, the average relative humidity in October is 59%.

How much does it rain in Inverness in October?

In Inverness, during October, the rain falls for 9.6 days and regularly aggregates up to 0.71" (18mm) of precipitation.

How much does it snow in Inverness in October?

In Inverness, Montana, in October, during 3.5 snowfall days, 1.06" (27mm) of snow is typically accumulated.

How many hours of daylight does Inverness have in October?

The average day length in October in Inverness, Montana, is 10h and 47min.

When is the sunrise / sunset in October in Inverness?

In October, on the first day of the month, sunrise is at 7:23 am and sunset at 7:00 pm. On the last day of the month, in Inverness, sunrise is at 8:08 am and sunset at 6:03 pm MDT.

How many hours of sunshine does Inverness have in October?

In October, the average sunshine duration in Inverness, Montana, is 6.6h.

When is the lowest UV index in Inverness?

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

How high is the UV index in October in Inverness?

In Inverness, Montana, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health risk 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
Inverness, MT

Average temperature in October - Inverness, MT
  • Average high temperature in October: 54°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (28.2°F).

  • Average low temperature in October: 38.3°F

The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).

Average pressure in October
Inverness, MT

Average pressure in October - Inverness, MT
  • Average pressure in October: 29.99"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in October
Inverness, MT

Average wind speed in October - Inverness, MT
  • Average wind speed in October: 10.3mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in October
Inverness, MT

Average humidity in October - Inverness, MT
  • Average humidity in October: 59%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).

Average rainfall in October
Inverness, MT

Average rainfall in October - Inverness, MT
  • Average rainfall in October: 0.71"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is December (0.59").

Average rainfall days in October
Inverness, MT

Average rainfall days in October - Inverness, MT
  • Average rainfall days in October: 9.6 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5 days).

Average snowfall in October
Inverness, MT

Average snowfall in October - Inverness, MT
  • Average snowfall in October: 1.06"

The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Inverness, MT

Average snowfall days in October - Inverness, MT
  • Average snowfall days in October: 3.5 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in October: 6h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).

Average sunshine days in October
Inverness, MT

Average sunshine days in October - Inverness, MT
  • Average sunshine days in October: 17.8 days

The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (11.7 days).

Average UV index in October
Inverness, MT

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in October
Inverness, MT

Average cloud cover in October - Inverness, MT
  • Average cloud cover in October: 30

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 15).

Average visibility in October
Inverness, MT

Average visibility in October - Inverness, MT
  • 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).

Inverness, Montana, USA

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