October weather forecast
Dillon, MT

Weather in October

October, the same as September, in Dillon, Montana, is another chilly autumn month, with an average temperature varying between 49.3°F (9.6°C) and 31.1°F (-0.5°C).

Temperature

In October, the average high-temperature significantly decreases from an enjoyable 66°F (18.9°C) in September to a chilly 49.3°F (9.6°C). In October, in Dillon, the average low-temperature is 31.1°F (-0.5°C).

Humidity

In Dillon, the average relative humidity in October is 63%.

Rainfall

In Dillon, during October, the rain falls for 10.2 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, in Dillon, Montana, 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, during the entire year, snow falls for 81.2 days and aggregates up to 29.76" (756mm) of snow.

Daylight

In October, the average length of the day is 10h and 56min.
On the first day of the month, sunrise is at 7:29 am and sunset at 7:11 pm. On the last day of October, sunrise is at 8:08 am and sunset at 6:19 pm MDT.

Sunshine

In October, the average sunshine is 7.5h.

UV index

In Dillon, 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 the Sun's UV radiation for average individuals.
Note: In October, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in October in Dillon?

In Dillon, the average relative humidity in October is 63%.

How many days does it rain in October in Dillon?

In Dillon, Montana, in October, it is raining for 10.2 days, with typically 0.71" (18mm) of accumulated precipitation.

How much does it snow in Dillon in October?

In Dillon, 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?

In Dillon, the average day length in October 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 7:11 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 6:19 pm MDT.

How long on average sun shines in October in Dillon?

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

How high is the UV index in October in Dillon?

The average daily maximum UV index in October in Dillon is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
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 56min

The month with the longest days is June (Average daylight: 15h and 35min).
The month with the shortest days is December (Average daylight: 8h and 49min).

  • Average sunshine in October: 7h and 30min

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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