October weather forecast
Mill Iron, MT

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Weather in October

October, like September, in Mill Iron, Montana, is another fresh autumn month, with an average temperature fluctuating between 39.4°F (4.1°C) and 54.3°F (12.4°C).

Temperature

The arrival of October signals a clear decrease in the average high-temperature, falling from an agreeable 72.1°F (22.3°C) in September to a cool 54.3°F (12.4°C). Throughout the month of October, Mill Iron witnesses an average low-temperature of 39.4°F (4.1°C).

Humidity

In October, the average relative humidity is 59%.

Rainfall

In Mill Iron, in October, during 7.5 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Mill Iron, during the entire year, the rain falls for 109 days and collects up to 15.12" (384mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Mill Iron, during October, snow falls for 3.5 days and regularly aggregates up to 1.69" (43mm) of snow. In Mill Iron, during the entire year, snow falls for 62.4 days and aggregates up to 21.97" (558mm) of snow.

Daylight

The average length of the day in October is 10h and 55min.
On the first day of the month, sunrise is at 6:56 am and sunset at 6:36 pm. On the last day of October, sunrise is at 7:36 am and sunset at 5:44 pm MDT.

Sunshine

In Mill Iron, the average sunshine in October is 6.4h.

UV index

The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 2 during October morphs into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

The high-temperature during October is 54.3°F (12.4°C) and the low-temperature is 39.4°F (4.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 82.4°F (28°C).

What is the average humidity in October?

In October, the average relative humidity is 59%.

How many days does it rain in October?

In Mill Iron, Montana, in October, it is raining for 7.5 days, with typically 0.98" (25mm) of accumulated precipitation.

How many days does it snow in October?

In October, in Mill Iron, it is snowing for 3.5 days. Throughout October, 1.69" (43mm) of snow is accumulated.

How many hours of daylight does Mill Iron have in October?

In Mill Iron, the average day length in October is 10h and 55min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:56 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:44 pm MDT.

How long on average sun shines in October?

In October, the average sunshine duration is 6.4h.

How high is the UV index in October?

In Mill Iron, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes 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
Mill Iron, MT

Average temperature in October - Mill Iron, MT
  • Average high temperature in October: 54.3°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in October: 39.4°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

Average pressure in October
Mill Iron, MT

Average pressure in October - Mill Iron, MT
  • Average pressure in October: 29.98"Hg

The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in October
Mill Iron, MT

Average wind speed in October - Mill Iron, MT
  • Average wind speed in October: 11.9mph

The windiest months (with the highest average wind speed) are April and October (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (10.1mph).

Average humidity in October
Mill Iron, MT

Average humidity in October - Mill Iron, MT
  • Average humidity in October: 59%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (46%).

Average rainfall in October
Mill Iron, MT

Average rainfall in October - Mill Iron, MT
  • Average rainfall in October: 0.98"

The wettest month (with the highest rainfall) is May (2.6").
The driest months (with the least rainfall) are January and December (0.55").

Average rainfall days in October
Mill Iron, MT

Average rainfall days in October - Mill Iron, MT
  • Average rainfall days in October: 7.5 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (3.1 days).

Average snowfall in October
Mill Iron, MT

Average snowfall in October - Mill Iron, MT
  • Average snowfall in October: 1.69"

The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Mill Iron, MT

Average snowfall days in October - Mill Iron, MT
  • Average snowfall days in October: 3.5 days

The month with the highest number of snowfall days is February (12 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in October /
Average sunshine in October
Mill Iron, MT

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in October: 6h and 2min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in October
Mill Iron, MT

Average sunshine days in October - Mill Iron, MT
  • Average sunshine days in October: 19.1 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.9 days).

Average UV index in October
Mill Iron, MT

Average UV index in October - Mill Iron, MT
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in October
Mill Iron, MT

Average cloud cover in October - Mill Iron, MT
  • Average cloud cover in October: 32

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 18).

Average visibility in October
Mill Iron, MT

Average visibility in October - Mill Iron, 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).

Mill Iron, Montana, USA

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