October weather forecast
Fallon, MT

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Weather in October

October, the same as September, is another fresh autumn month in Fallon, Montana, with an average temperature fluctuating between 40.1°F (4.5°C) and 54.7°F (12.6°C).

Temperature

The arrival of October brings a distinct temperature shift, with the average high-temperature dropping from a pleasant 73°F (22.8°C) in September to a fresh 54.7°F (12.6°C). Fallon, in the month of October, anticipates a consistent average low-temperature of 40.1°F (4.5°C).

Humidity

The average relative humidity in October is 58%.

Rainfall

In October, the rain falls for 8.2 days. Throughout October, 0.79" (20mm) of precipitation is accumulated. In Fallon, during the entire year, the rain falls for 102.6 days and collects up to 13.35" (339mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 2.4 snowfall days, it receives 0.47" (12mm) of snow. Throughout the year, there are 58.7 snowfall days, and 17.28" (439mm) of snow is accumulated.

Daylight

The average length of the day in October is 10h and 52min.
On the first day of the month, sunrise is at 7:00 am and sunset at 6:39 pm. On the last day of October, sunrise is at 7:42 am and sunset at 5:45 pm MDT.

Sunshine

In October, the average sunshine is 6.3h.

UV index

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 3 during October, leads to the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

The high-temperature during October is 54.7°F (12.6°C) and the low-temperature is 40.1°F (4.5°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is evaluated at 82.4°F (28°C).

What is the average humidity in October?

In October, the average relative humidity in Fallon is 58%.

How much does it rain in October?

In Fallon, in October, during 8.2 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

When does it start snowing?

October is the first month it typically snows in Fallon. Throughout October, in the average 2.4 snowfall days, it receives 0.47" (12mm) of snow.

How many hours of daylight does Fallon have in October?

In October, the average day length is 10h and 52min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:00 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:45 pm MDT.

How many hours of sunshine does Fallon have in October?

The average sunshine duration in October is 6.3h.

What is the UV index intensity in October?

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Fallon, MT

Average temperature in October - Fallon, MT
  • Average high temperature in October: 54.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in October: 40.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in October
Fallon, MT

Average pressure in October - Fallon, MT
  • Average pressure in October: 29.97"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in October
Fallon, MT

Average wind speed in October - Fallon, MT
  • Average wind speed in October: 11.1mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

Average humidity in October
Fallon, MT

Average humidity in October - Fallon, MT
  • Average humidity in October: 58%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).

Average rainfall in October
Fallon, MT

Average rainfall in October - Fallon, MT
  • Average rainfall in October: 0.79"

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in October
Fallon, MT

Average rainfall days in October - Fallon, MT
  • Average rainfall days in October: 8.2 days

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4 days).

Average snowfall in October
Fallon, MT

Average snowfall in October - Fallon, MT
  • Average snowfall in October: 0.47"

The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Fallon, MT

Average snowfall days in October - Fallon, MT
  • Average snowfall days in October: 2.4 days

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

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

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

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in October: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in October
Fallon, MT

Average sunshine days in October - Fallon, MT
  • Average sunshine days in October: 19.2 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (13.1 days).

Average UV index in October
Fallon, MT

Average UV index in October - Fallon, 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 November and December (UV index 1).

Average cloud cover in October
Fallon, MT

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

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).

Average visibility in October
Fallon, MT

Average visibility in October - Fallon, 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).

Fallon, Montana, USA

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