October weather forecast
Dillon, MT

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Weather in October

October fully ushers in the autumn season in Dillon. The city becomes a beautiful spectacle populated by trees blanketed in colorful fall foliage. A noticeable increase in snowfall, tallying up to 2.01" (51mm), hints at the upcoming winter. The crisp air, combined with the vibrant outdoors, create an atmosphere that is quintessentially autumn. Preparation for the winter nearing the horizon begins this month.

Temperature

Dillon's weather in October is characterized by a distinct drop in the average high-temperature, reducing from a refreshing 66°F (18.9°C) in September to a chilly 49.3°F (9.6°C). Throughout the October nights, Dillon encounters a low-temperature of 31.1°F (-0.5°C).

Humidity

The average relative humidity in October in Dillon is 63%.

Rainfall

In Dillon, in October, during 10.2 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, in Dillon, there are 126.7 rainfall days, and 10.35" (263mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. In Dillon, in October, during 4.5 snowfall days, 2.01" (51mm) of snow is typically accumulated. In Dillon, Montana, during the entire year, snow falls for 81.2 days and aggregates up to 29.76" (756mm) of snow.

Daylight

The average length of the day in October in Dillon is 10h and 56min.
On the first day of October in Dillon, sunrise is at 7:29 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 6:19 pm MDT.

Sunshine

In October, the average sunshine in Dillon, Montana, is 7.5h.

UV index

In October, the average daily maximum UV index in Dillon, Montana, is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in October, converts into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What are October temperatures in Dillon?

The high-temperature, in October, in Dillon, is 49.3°F (9.6°C), while the low-temperature averages to 31.1°F (-0.5°C).

What is the average humidity in October in Dillon?

The average relative humidity in October in Dillon, Montana, is 63%.

How many days does it rain in October in Dillon?

In Dillon, Montana, in October, during 10.2 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

How many days does it snow in October in Dillon?

In Dillon, Montana, in October, snow falls for 4.5 days, with typically accumulated 2.01" (51mm) of snow.

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

The average day length in October in Dillon is 10h and 56min.

What time are sunrise and sunset in October in Dillon?

On the first day of October, sunrise is at 7:29 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 6:19 pm MDT.

How many hours of sunshine does Dillon have in October?

In Dillon, the average sunshine duration in October is 7.5h.

What is the UV index reading in October in Dillon?

The average daily maximum UV index in October in Dillon is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to 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
Dillon, MT

Average temperature in October - Dillon, MT
  • Average high temperature in October: 49.3°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (25.2°F).

  • Average low temperature in October: 31.1°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (10.6°F).

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Average pressure in October
Dillon, MT

Average pressure in October - Dillon, MT
  • Average pressure in October: 30.06"Hg

The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in October
Dillon, MT

Average wind speed in October - Dillon, MT
  • Average wind speed in October: 6.2mph

The windiest month (with the highest average wind speed) is November (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in October
Dillon, MT

Average humidity in October - Dillon, MT
  • Average humidity in October: 63%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July and August (45%).

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Average rainfall in October
Dillon, MT

Average rainfall in October - Dillon, MT
  • Average rainfall in October: 0.71"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in October
Dillon, MT

Average rainfall days in October - Dillon, MT
  • Average rainfall days in October: 10.2 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.7 days).

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Average snowfall in October
Dillon, MT

Average snowfall in October - Dillon, MT
  • Average snowfall in October: 2.01"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are July and August (0").

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Average snowfall days in October
Dillon, MT

Average snowfall days in October - Dillon, MT
  • Average snowfall days in October: 4.5 days

The month with the highest number of snowfall days is February (14.1 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
Dillon, MT

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

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

  • Average sunshine in October: 7h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

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Average sunshine days in October
Dillon, MT

Average sunshine days in October - Dillon, MT
  • Average sunshine days in October: 16.8 days

The month with the most sunshine days is July (18.2 days).
The month with the least sunshine days is April (10.1 days).

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Average UV index in October
Dillon, MT

Average UV index in October - Dillon, MT
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in October
Dillon, MT

Average cloud cover in October - Dillon, MT
  • Average cloud cover in October: 24

The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 13).

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Average visibility in October
Dillon, MT

Average visibility in October - Dillon, MT
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

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Dillon, Montana, USA

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