October weather forecast
Big Timber, MT

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Weather in October

The full onset of autumn in October further pushes temperatures down. Big Timber experiences a substantial increase in rainfall compared to September. Along with the change in season, it gets windier adding to the already dipping mercury. Observably high wind speed of 10.1mph (16.3km/h) shakes off the last leaves clinging to the trees. The contrasting landscapes of green grasslands and colorful woodlands make for a photographer's delight.

Temperature

October signals a considerable drop in Big Timber's average high-temperature, reducing from an enjoyable 66.7°F (19.3°C) in September to a fresh 51.1°F (10.6°C). Big Timber, during October, witnesses an average low-temperature of 34.3°F (1.3°C).

Humidity

In Big Timber, the average relative humidity in October is 63%.

Rainfall

In Big Timber, in October, it is raining for 10.6 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, there are 129.6 rainfall days, and 15.83" (402mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Big Timber are January through May, September through December. In Big Timber, during October, snow falls for 4.9 days and regularly aggregates up to 2.99" (76mm) of snow. In Big Timber, during the entire year, snow falls for 67.6 days and aggregates up to 38.19" (970mm) 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 7:19 am and sunset at 6:59 pm. On the last day of October, in Big Timber, sunrise is at 7:59 am and sunset at 6:07 pm MDT.

Sunshine

The average sunshine in October is 6.7h.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 2 in October converts 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 midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Big Timber in October?

In Big Timber, 51.1°F (10.6°C) is the average high-temperature and 34.3°F (1.3°C) is the average low-temperature during October.

What is the average humidity in October?

In October, the average relative humidity is 63%.

How much does it rain in October?

In Big Timber, during October, the rain falls for 10.6 days and regularly aggregates up to 0.94" (24mm) of precipitation.

How many days does it snow in October?

In October, it is snowing for 4.9 days. Throughout October, 2.99" (76mm) of snow is accumulated.

How many hours of daylight does Big Timber have in October?

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

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:19 am and sunset at 6:59 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 6:07 pm MDT.

How long on average sun shines in October?

The average sunshine duration in October is 6.7h.

What is the month with the lowest UV index?

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

What is the UV index intensity in October?

In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Big Timber, MT

Average temperature in October - Big Timber, MT
  • Average high temperature in October: 51.1°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is December (28.4°F).

  • Average low temperature in October: 34.3°F

The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).

Average pressure in October
Big Timber, MT

Average pressure in October - Big Timber, MT
  • Average pressure in October: 30.02"Hg

The months with the highest atmospheric pressure are January and December (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in October
Big Timber, MT

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

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

Average humidity in October
Big Timber, MT

Average humidity in October - Big Timber, MT
  • Average humidity in October: 63%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (47%).

Average rainfall in October
Big Timber, MT

Average rainfall in October - Big Timber, MT
  • Average rainfall in October: 0.94"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in October
Big Timber, MT

Average rainfall days in October - Big Timber, MT
  • Average rainfall days in October: 10.6 days

The month with the highest number of rainy days is May (19.8 days).
The months with the least rainy days are January and December (5.3 days).

Average snowfall in October
Big Timber, MT

Average snowfall in October - Big Timber, MT
  • Average snowfall in October: 2.99"

The month with the highest snowfall is March (7.09").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Big Timber, MT

Average snowfall days in October - Big Timber, MT
  • Average snowfall days in October: 4.9 days

The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in October /
Average sunshine in October
Big Timber, MT

Average daylight in October / Average sunshine in October - Big Timber, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 12min).

Average sunshine days in October
Big Timber, MT

Average sunshine days in October - Big Timber, MT
  • Average sunshine days in October: 16.9 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is May (7.7 days).

Average UV index in October
Big Timber, MT

Average UV index in October - Big Timber, 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, April, October, November and December (UV index 2).

Average cloud cover in October
Big Timber, MT

Average cloud cover in October - Big Timber, MT
  • Average cloud cover in October: 28

The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 16).

Average visibility in October
Big Timber, MT

Average visibility in October - Big Timber, 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).

Big Timber, Montana, USA

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