October weather forecast
Shelby, MT

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Weather in October

October in Shelby, Montana, is predominantly characterized by its cool temperatures and cloudy weather. This month sees a significant decrease in temperature, with highs reaching 53.1°F (11.7°C) on average. Although the mercury falls, the vibrantly colored autumn leaves continue to hold sway, creating a picturesque setting. Many utilize this cooler weather for fall-centric activities such as apple picking and corn maze exploration. Despite the winds picking up in speed, the charm of Montana's autumn season stands out prominently.

Temperature

The beginning of October marks a clear shift in the average high-temperature, receding from September's pleasant 68.9°F (20.5°C) to a cool 53.1°F (11.7°C). Shelby witnesses a consistent average low-temperature of 37.2°F (2.9°C) throughout October.

Humidity

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

Rainfall

In Shelby, Montana, during October, the rain falls for 6 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, there are 84.2 rainfall days, and 9.29" (236mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Shelby, in October, snow falls for 2.6 days, with typically accumulated 0.83" (21mm) of snow. In Shelby, during the entire year, snow falls for 53.7 days and aggregates up to 20.47" (520mm) of snow.

Daylight

The average length of the day in October in Shelby is 10h and 47min.
On the first day of October, sunrise is at 7:28 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 6:08 pm MDT.

Sunshine

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

UV index

The months with the lowest UV index in Shelby are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 2 in October translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What are the temperatures in Shelby in October?

The high-temperature in Shelby, Montana, during October is 53.1°F (11.7°C) and the low-temperature is 37.2°F (2.9°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 80.6°F (27°C).

What is the average humidity in October in Shelby?

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

How much does it rain in Shelby in October?

In Shelby, in October, during 6 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

How many days does it snow in October in Shelby?

In October, in Shelby, it is snowing for 2.6 days. Throughout October, 0.83" (21mm) of snow is accumulated.

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

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

When are sunrise and sunset in October in Shelby?

On the first day of October in Shelby, Montana, sunrise is at 7:28 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 6:08 pm MDT.

How many hours of sunshine does Shelby have in October?

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

When is the lowest UV index in Shelby?

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

How high is the UV index in October in Shelby?

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

Average temperature in October - Shelby, MT
  • Average high temperature in October: 53.1°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (27.7°F).

  • Average low temperature in October: 37.2°F

The month with the highest average low temperature is August (58.3°F).
The coldest month (with the lowest average low temperature) is December (15.4°F).

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Average pressure in October
Shelby, MT

Average pressure in October - Shelby, MT
  • Average pressure in October: 30"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in October
Shelby, MT

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

The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

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Average humidity in October
Shelby, MT

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

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in October
Shelby, MT

Average rainfall in October - Shelby, MT
  • Average rainfall in October: 0.47"

The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and December (0.39").

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Average rainfall days in October
Shelby, MT

Average rainfall days in October - Shelby, MT
  • Average rainfall days in October: 6 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is February (3.1 days).

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Average snowfall in October
Shelby, MT

Average snowfall in October - Shelby, MT
  • Average snowfall in October: 0.83"

The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Shelby, MT

Average snowfall days in October - Shelby, MT
  • Average snowfall days in October: 2.6 days

The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in October / Average sunshine in October - Shelby, 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: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in October
Shelby, MT

Average sunshine days in October - Shelby, MT
  • Average sunshine days in October: 21.5 days

The month with the most sunshine days is September (22.2 days).
The month with the least sunshine days is April (14.7 days).

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Average UV index in October
Shelby, MT

Average UV index in October - Shelby, 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
Shelby, MT

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

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).

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Average visibility in October
Shelby, MT

Average visibility in October - Shelby, 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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Shelby, Montana, USA

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