October weather forecast
Missoula, MT

The scenic area surrounding the iconic Higgins Street Bridge in Missoula, Montana
The scenic area surrounding the iconic Higgins Street Bridge in Missoula, Montana

Weather in October

October, the same as September, is a cool autumn month in Missoula, Montana, with an average temperature ranging between max 51.4°F (10.8°C) and min 31.3°F (-0.4°C).

Temperature

In October, the average high-temperature declines considerably from an agreeable 68.7°F (20.4°C) in September to a cool 51.4°F (10.8°C). The average low-temperature, is 31.3°F (-0.4°C).

Humidity

In Missoula, the average relative humidity in October is 71%.

Rainfall

In October, the rain falls for 5.2 days. Throughout October, 0.28" (7mm) of precipitation is accumulated. In Missoula, during the entire year, the rain falls for 67.5 days and collects up to 3.27" (83mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Missoula, Montana. In October, in Missoula, Montana, it is snowing for 1.5 days. Throughout October, 0.59" (15mm) of snow is accumulated. Throughout the year, in Missoula, there are 44 snowfall days, and 8.07" (205mm) of snow is accumulated.

Daylight

In Missoula, the average length of the day in October is 10h and 52min.
On the first day of the month, sunrise is at 7:35 am and sunset at 7:15 pm. On the last day of October, sunrise is at 8:17 am and sunset at 6:21 pm MDT.

Sunshine

The average sunshine in October is 7h.

UV index

The average daily maximum UV index in October in Missoula is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 2 in October interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Missoula?

In Missoula, Montana, the average relative humidity in October is 71%.

How many days does it rain in October in Missoula?

In October, the rain falls for 5.2 days. Throughout October, 0.28" (7mm) of precipitation is accumulated.

How many days does it snow in October in Missoula?

In Missoula, Montana, in October, snow falls for 1.5 days, with typically accumulated 0.59" (15mm) of snow.

How many hours of daylight does Missoula have in October?

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

When are sunrise and sunset in October in Missoula?

On the first day of October in Missoula, sunrise is at 7:35 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 6:21 pm MDT.

How long on average sun shines in October in Missoula?

In Missoula, Montana, the average sunshine duration in October is 7h.

How high is the UV index in October in Missoula?

In Missoula, Montana, the average daily maximum UV index in October is 2. A UV Index reading 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Missoula, MT

Average temperature in October - Missoula, MT
  • Average high temperature in October: 51.4°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (28°F).

  • Average low temperature in October: 31.3°F

The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (15.4°F).

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Average pressure in October
Missoula, MT

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

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in October
Missoula, MT

Average wind speed in October - Missoula, MT
  • Average wind speed in October: 4.3mph

The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average humidity in October
Missoula, MT

Average humidity in October - Missoula, MT
  • Average humidity in October: 71%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is July (50%).

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Average rainfall in October
Missoula, MT

Average rainfall in October - Missoula, MT
  • Average rainfall in October: 0.28"

The wettest month (with the highest rainfall) is April (0.47").
The driest months (with the least rainfall) are July and December (0.16").

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Average rainfall days in October
Missoula, MT

Average rainfall days in October - Missoula, MT
  • Average rainfall days in October: 5.2 days

The month with the highest number of rainy days is April (8.8 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall in October
Missoula, MT

Average snowfall in October - Missoula, MT
  • Average snowfall in October: 0.59"

The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Missoula, MT

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

The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in October / Average sunshine in October - Missoula, MT
  • Average daylight in October: 10h and 52min

The month with the longest days is June (Average daylight: 15h and 49min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in October: 7h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in October
Missoula, MT

Average sunshine days in October - Missoula, MT
  • Average sunshine days in October: 22.6 days

The month with the most sunshine days is July (27 days).
The month with the least sunshine days is April (17.8 days).

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Average UV index in October
Missoula, MT

Average UV index in October - Missoula, 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 February and December (UV index 1).

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Average cloud cover in October
Missoula, MT

Average cloud cover in October - Missoula, MT
  • Average cloud cover in October: 34

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 14).

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Average visibility in October
Missoula, MT

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

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

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