October weather forecast
Sand Coulee, MT

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Weather in October

October, like September, in Sand Coulee, Montana, is a cool autumn month, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 54.1°F (12.3°C).

Temperature

The shift from September to October is characterized by a clear decrease in the average high-temperature, reducing from a pleasant 70.7°F (21.5°C) to a cool 54.1°F (12.3°C). In October, the average low-temperature is a cold 37.6°F (3.1°C).

Humidity

In Sand Coulee, Montana, the average relative humidity in October is 59%.

Rainfall

In Sand Coulee, Montana, in October, during 6.3 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Sand Coulee, Montana, during the entire year, the rain falls for 85.3 days and collects up to 9.84" (250mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Sand Coulee, in October, snow falls for 2.7 days, with typically accumulated 1.57" (40mm) of snow. Throughout the year, there are 58.9 snowfall days, and 28.54" (725mm) of snow is accumulated.

Daylight

In October, the average length of the day is 10h and 50min.
On the first day of October, sunrise is at 7:24 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 6:08 pm MDT.

Sunshine

The average sunshine in October 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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: An average UV index of 2 in October transforms into this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

In Sand Coulee, in October, the average high-temperature is 54.1°F (12.3°C), and the average low-temperature is 37.6°F (3.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 80.6°F (27°C).

What is the average humidity in October?

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

How many days does it rain in October?

In October, in Sand Coulee, the rain falls for 6.3 days. Throughout October, 0.63" (16mm) of precipitation is accumulated.

How much does it snow in Sand Coulee in October?

In October, it is snowing for 2.7 days. Throughout October, 1.57" (40mm) of snow is accumulated.

What is the average length of the day in October?

In Sand Coulee, the average day length in October is 10h and 50min.

What time are sunrise and sunset in October in Sand Coulee?

In October, on the first day of the month, sunrise is at 7:24 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 6:08 pm MDT.

How long on average sun shines in October?

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

What is the month with the lowest UV index?

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

How high is the UV index in October in Sand Coulee?

The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Sand Coulee, MT

Average temperature in October - Sand Coulee, MT
  • Average high temperature in October: 54.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (30°F).

  • Average low temperature in October: 37.6°F

The month with the highest average low temperature is August (58.5°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).

Average pressure in October
Sand Coulee, MT

Average pressure in October - Sand Coulee, MT
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in October
Sand Coulee, MT

Average wind speed in October - Sand Coulee, MT
  • Average wind speed in October: 10mph

The windiest months (with the highest average wind speed) are January and November (11.4mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in October
Sand Coulee, MT

Average humidity in October - Sand Coulee, MT
  • Average humidity in October: 59%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (40%).

Average rainfall in October
Sand Coulee, MT

Average rainfall in October - Sand Coulee, MT
  • Average rainfall in October: 0.63"

The wettest month (with the highest rainfall) is June (1.57").
The driest month (with the least rainfall) is July (0.47").

Average rainfall days in October
Sand Coulee, MT

Average rainfall days in October - Sand Coulee, MT
  • Average rainfall days in October: 6.3 days

The month with the highest number of rainy days is May (11.7 days).
The months with the least rainy days are November and December (4 days).

Average snowfall in October
Sand Coulee, MT

Average snowfall in October - Sand Coulee, MT
  • Average snowfall in October: 1.57"

The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Sand Coulee, MT

Average snowfall days in October - Sand Coulee, MT
  • Average snowfall days in October: 2.7 days

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

Average daylight in October /
Average sunshine in October
Sand Coulee, MT

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in October: 6h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 36min).

Average sunshine days in October
Sand Coulee, MT

Average sunshine days in October - Sand Coulee, MT
  • Average sunshine days in October: 22.2 days

The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (12.4 days).

Average UV index in October
Sand Coulee, MT

Average UV index in October - Sand Coulee, 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).

Average cloud cover in October
Sand Coulee, MT

Average cloud cover in October - Sand Coulee, 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 13).

Average visibility in October
Sand Coulee, MT

Average visibility in October - Sand Coulee, 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).

Sand Coulee, Montana, USA

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