October weather forecast
Iverness, MT

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Weather in October

October, the same as September, is a cool autumn month in Iverness, Montana, with an average temperature fluctuating between 38.3°F (3.5°C) and 54°F (12.2°C).

Temperature

With the onset of October, Iverness's weather experiences a distinct temperature drop, moving from a pleasant 70.2°F (21.2°C) in September to a fresh 54°F (12.2°C). October is noted for a mean low-temperature of 38.3°F (3.5°C).

Humidity

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

Rainfall

In Iverness, in October, during 9.6 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Iverness, during the entire year, the rain falls for 113.8 days and collects up to 11.89" (302mm) of precipitation.

Snowfall

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

Daylight

In Iverness, the average length of the day in October is 10h and 47min.
On the first day of October, 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

The average sunshine in October in Iverness 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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: In October, the maximum UV index of 2 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. To protect against the Sun's most potent rays, avoid direct exposure around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What is the average October temperature in Iverness?

The high-temperature in Iverness during October is 54°F (12.2°C) and the low-temperature is 38.3°F (3.5°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 82.4°F (28°C).

What is the average humidity in October in Iverness?

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

How much does it rain in Iverness in October?

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

How many days does it snow in October in Iverness?

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

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

In Iverness, Montana, the average day length in October is 10h and 47min.

What time are sunrise and sunset in October in Iverness?

On the first day of October in Iverness, 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.

How long on average sun shines in October in Iverness?

The average sunshine duration in October in Iverness is 6.6h.

What are the months with the lowest UV index in Iverness?

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

How high is the UV index in October in Iverness?

In October, the average daily maximum UV index in Iverness is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Iverness, MT

Average temperature in October - Iverness, 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).

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Average pressure in October
Iverness, MT

Average pressure in October - Iverness, 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).

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Average wind speed in October
Iverness, MT

Average wind speed in October - Iverness, 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).

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Average humidity in October
Iverness, MT

Average humidity in October - Iverness, 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%).

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Average rainfall in October
Iverness, MT

Average rainfall in October - Iverness, 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").

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Average rainfall days in October
Iverness, MT

Average rainfall days in October - Iverness, 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).

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Average snowfall in October
Iverness, MT

Average snowfall in October - Iverness, 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").

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Average snowfall days in October
Iverness, MT

Average snowfall days in October - Iverness, 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).

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

Average daylight in October / Average sunshine in October - Iverness, 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).

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Average sunshine days in October
Iverness, MT

Average sunshine days in October - Iverness, 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).

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Average UV index in October
Iverness, MT

Average UV index in October - Iverness, 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).

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Average cloud cover in October
Iverness, MT

Average cloud cover in October - Iverness, 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).

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Average visibility in October
Iverness, MT

Average visibility in October - Iverness, 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).

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Iverness, Montana, USA

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