October weather forecast
Billings, MT

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The forest of trees in the plains, on the sandstone bluffs in Billings, Montana
The forest of trees in the plains, on the sandstone bluffs in Billings, Montana

Weather in October

October in Billings ushers in the full essence of fall; temperatures decline down to between 39.9°F (4.4°C) and 56.5°F (13.6°C). Despite being one of the drier months with an average rainfall of 1.3" (33mm), the city is lively with fall foliage adorning the landscape. The brisk weather and colourful scenery make October an attractive time for outdoor activities before the cold of November sets in.

Temperature

A decrease in the average high-temperature marks October, falling from September's pleasant 73.2°F (22.9°C) to a moderate 56.5°F (13.6°C). An average low-temperature of 39.9°F (4.4°C) is observed in Billings during the October nights.

Humidity

In October, the average relative humidity in Billings is 55%.

Rainfall

In Billings, during October, the rain falls for 11 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Billings, during the entire year, the rain falls for 128.5 days and collects up to 14.69" (373mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Billings, Montana. In Billings, Montana, during October, snow falls for 2.7 days and regularly aggregates up to 1.85" (47mm) of snow. In Billings, during the entire year, snow falls for 64.5 days and aggregates up to 31.18" (792mm) of snow.

Daylight

In Billings, the average length of the day in October is 10h and 55min.
On the first day of the month, sunrise is at 7:13 am and sunset at 6:53 pm. On the last day of October, sunrise is at 7:53 am and sunset at 6:01 pm MDT.

Sunshine

The average sunshine in October in Billings is 6.4h.

UV index

The average daily maximum UV index in October in Billings, Montana, is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In October, a daily maximum UV index of 3 leads to the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What are October temperatures in Billings?

October temperatures vary between a high-temperature of 56.5°F (13.6°C) and a low-temperature of 39.9°F (4.4°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 82.4°F (28°C).

What is the average humidity in October in Billings?

In October, the average relative humidity is 55%.

How many days does it rain in October in Billings?

In Billings, Montana, in October, it is raining for 11 days, with typically 1.3" (33mm) of accumulated precipitation.

How many days does it snow in October in Billings?

In Billings, during October, snow falls for 2.7 days and regularly aggregates up to 1.85" (47mm) of snow.

How many hours of daylight does Billings have in October?

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

What time are sunrise and sunset in October in Billings?

In October, on the first day of the month, sunrise is at 7:13 am and sunset at 6:53 pm. On the last day of the month, in Billings, sunrise is at 7:53 am and sunset at 6:01 pm MDT.

How many hours of sunshine does Billings have in October?

In October, the average sunshine duration in Billings, Montana, is 6.4h.

What is the UV index intensity in October in Billings?

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health risk 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
Billings, MT

Average temperature in October - Billings, MT
  • Average high temperature in October: 56.5°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (31.1°F).

  • Average low temperature in October: 39.9°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).

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Average pressure in October
Billings, MT

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in October
Billings, MT

Average wind speed in October - Billings, MT
  • Average wind speed in October: 9.1mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in October
Billings, MT

Average humidity in October - Billings, MT
  • Average humidity in October: 55%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in October
Billings, MT

Average rainfall in October - Billings, MT
  • Average rainfall in October: 1.3"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is July (0.71").

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Average rainfall days in October
Billings, MT

Average rainfall days in October - Billings, MT
  • Average rainfall days in October: 11 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in October
Billings, MT

Average snowfall in October - Billings, MT
  • Average snowfall in October: 1.85"

The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Billings, MT

Average snowfall days in October - Billings, MT
  • Average snowfall days in October: 2.7 days

The month with the highest number of snowfall days is February (13.3 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
Billings, MT

Average daylight in October / Average sunshine in October - Billings, 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 month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

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Average sunshine days in October
Billings, MT

Average sunshine days in October - Billings, MT
  • Average sunshine days in October: 16.2 days

The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (9.9 days).

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Average UV index in October
Billings, MT

Average UV index in October - Billings, MT
  • Average UV index in October: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in October
Billings, MT

Average cloud cover in October - Billings, 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
Billings, MT

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

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