October weather forecast
Forsyth, MT

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Weather in October

October, the same as September, in Forsyth, Montana, is a moderate autumn month, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 56.3°F (13.5°C).

Temperature

October's arrival is marked by a notable drop in high-temperatures, falling from a warm 74.1°F (23.4°C) in September to a mild 56.3°F (13.5°C). October nights experience a consistent temperature drop to an icy 41.5°F (5.3°C).

Humidity

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

Rainfall

In Forsyth, in October, during 10 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Forsyth, Montana, during the entire year, the rain falls for 121.7 days and collects up to 13.23" (336mm) of precipitation.

Snowfall

Months with snowfall in Forsyth are January through May, October through December. October is the first month it typically snows in Forsyth. Throughout October, in the average 1.5 snowfall days, it receives 0.51" (13mm) of snow. In Forsyth, Montana, during the entire year, snow falls for 56.6 days and aggregates up to 21.06" (535mm) of snow.

Daylight

The average length of the day in October in Forsyth, Montana, is 10h and 53min.
On the first day of October, sunrise is at 7:06 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:53 pm MDT.

Sunshine

In October, the average sunshine is 6.5h.

UV index

In Forsyth, Montana, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 3 in October translates into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Boost your sun resistance with garments that are densely woven yet spacious. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in October in Forsyth?

In October, in Forsyth, the average high-temperature is 56.3°F (13.5°C), and the average low-temperature is 41.5°F (5.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 86°F (30°C).

What is the average humidity in October in Forsyth?

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

How much does it rain in Forsyth in October?

In Forsyth, during October, the rain falls for 10 days and regularly aggregates up to 0.83" (21mm) of precipitation.

When does it start to snow in Forsyth?

October is the first month it typically snows. Throughout October, in the average 1.5 snowfall days, it receives 0.51" (13mm) of snow.

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

In Forsyth, the average day length in October is 10h and 53min.

When is the sunrise / sunset in October in Forsyth?

On the first day of October in Forsyth, sunrise is at 7:06 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:53 pm MDT.

How many hours of sunshine does Forsyth have in October?

The average sunshine duration in October in Forsyth is 6.5h.

What is the UV index intensity in October in Forsyth?

In October, the average daily maximum UV index in Forsyth, Montana, is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
Forsyth, MT

Average temperature in October - Forsyth, MT
  • Average high temperature in October: 56.3°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in October: 41.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

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Average pressure in October
Forsyth, MT

Average pressure in October - Forsyth, MT
  • Average pressure in October: 29.98"Hg

The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in October
Forsyth, MT

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

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

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Average humidity in October
Forsyth, MT

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

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in October
Forsyth, MT

Average rainfall in October - Forsyth, MT
  • Average rainfall in October: 0.83"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (0.63").

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Average rainfall days in October
Forsyth, MT

Average rainfall days in October - Forsyth, MT
  • Average rainfall days in October: 10 days

The month with the highest number of rainy days is May (15.1 days).
The months with the least rainy days are January, February and December (6.5 days).

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Average snowfall in October
Forsyth, MT

Average snowfall in October - Forsyth, MT
  • Average snowfall in October: 0.51"

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Forsyth, MT

Average snowfall days in October - Forsyth, MT
  • Average snowfall days in October: 1.5 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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
Forsyth, MT

Average sunshine days in October - Forsyth, MT
  • Average sunshine days in October: 17.3 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.9 days).

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Average UV index in October
Forsyth, MT

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

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in October
Forsyth, MT

Average cloud cover in October - Forsyth, MT
  • Average cloud cover in October: 29

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

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Average visibility in October
Forsyth, MT

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

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