October weather forecast
Simms, MT

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Weather in October

October, the same as September, is another fresh autumn month in Simms, Montana, with an average temperature ranging between max 54.5°F (12.5°C) and min 36.7°F (2.6°C).

Temperature

Simms's weather experiences a significant temperature drop with the arrival of October, falling from a pleasant 70.5°F (21.4°C) in September to a fresh 54.5°F (12.5°C). In Simms, the average temperature during the nights of October drops to a cold 36.7°F (2.6°C).

Humidity

The average relative humidity in October in Simms, Montana, is 61%.

Rainfall

In Simms, in October, it is raining for 10.7 days, with typically 0.98" (25mm) of accumulated precipitation. In Simms, during the entire year, the rain falls for 112.8 days and collects up to 12.95" (329mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Simms, in October, during 4 snowfall days, 2.99" (76mm) of snow is typically accumulated. In Simms, Montana, during the entire year, snow falls for 69.4 days and aggregates up to 35.35" (898mm) of snow.

Daylight

The average length of the day in October in Simms is 10h and 50min.
On the first day of October in Simms, sunrise is at 7:27 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 6:11 pm MDT.

Sunshine

The average sunshine in October is 6.5h.

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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In October, a daily maximum UV index of 2 leads to the following instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are October temperatures in Simms?

The high-temperature, in October, in Simms, records 54.5°F (12.5°C), while the low-temperature is 36.7°F (2.6°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in August is appraised at 80.6°F (27°C).

What is the average humidity in October in Simms?

The average relative humidity in October is 61%.

How many days does it rain in October in Simms?

In October, in Simms, the rain falls for 10.7 days. Throughout October, 0.98" (25mm) of precipitation is accumulated.

How much does it snow in Simms in October?

In October, in Simms, it is snowing for 4 days. Throughout October, 2.99" (76mm) of snow is accumulated.

How many hours of daylight does Simms have in October?

The average day length in October is 10h and 50min.

When is the sunrise / sunset in October in Simms?

On the first day of October in Simms, Montana, sunrise is at 7:27 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 6:11 pm MDT.

How long on average sun shines in October in Simms?

In October, the average sunshine duration in Simms is 6.5h.

When is the lowest UV index in Simms?

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

What is the UV index reading in October in Simms?

The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Simms, MT

Average temperature in October - Simms, MT
  • Average high temperature in October: 54.5°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (29.5°F).

  • Average low temperature in October: 36.7°F

The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is December (17.4°F).

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Average pressure in October
Simms, MT

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

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

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Average wind speed in October
Simms, MT

Average wind speed in October - Simms, MT
  • Average wind speed in October: 9.4mph

The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in October
Simms, MT

Average humidity in October - Simms, MT
  • Average humidity in October: 61%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in October
Simms, MT

Average rainfall in October - Simms, MT
  • Average rainfall in October: 0.98"

The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are January and July (0.63").

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Average rainfall days in October
Simms, MT

Average rainfall days in October - Simms, MT
  • Average rainfall days in October: 10.7 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in October
Simms, MT

Average snowfall in October - Simms, MT
  • Average snowfall in October: 2.99"

The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Simms, MT

Average snowfall days in October - Simms, MT
  • Average snowfall days in October: 4 days

The month with the highest number of snowfall days is February (14.4 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
Simms, MT

Average daylight in October / Average sunshine in October - Simms, 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 3min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in October
Simms, MT

Average sunshine days in October - Simms, MT
  • Average sunshine days in October: 16.4 days

The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (10.3 days).

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Average UV index in October
Simms, MT

Average UV index in October - Simms, 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
Simms, MT

Average cloud cover in October - Simms, MT
  • Average cloud cover in October: 32

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 14).

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Average visibility in October
Simms, MT

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

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