October weather forecast
Salmon, ID

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Bright yellow trees along the shores of the iconic Salmon River in Salmon, Idaho
Bright yellow trees along the shores of the iconic Salmon River in Salmon, Idaho

Weather in October

October encapsulates the essence of fall with plummeting temperatures and visually pleasing fall foliage—activities shift indoors as the weather in Salmon, Idaho, gets colder. The moderately chilly weather hovers around 48.7°F (9.3°C), hinting at the forthcoming winter season. With days becoming shorter and nights growing longer, the spell of daylight also witnesses a reduction. The month end steers Salmon towards an increasingly frosty weather pattern, marking the fast-approaching advent of winter.

Temperature

As Salmon, Idaho, transitions into October, a marked decrease in the average high-temperature is observed, dropping from a comfortable 65.3°F (18.5°C) in September to a chilly 48.7°F (9.3°C). October brings Salmon a consistent average low-temperature of 30.4°F (-0.9°C).

Humidity

The average relative humidity in October in Salmon is 64%.

Rainfall

In Salmon, in October, during 12.7 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Salmon, during the entire year, the rain falls for 129.5 days and collects up to 12.4" (315mm) of precipitation.

Snowfall

Months with snowfall in Salmon are January through May, September through December. In Salmon, during October, snow falls for 3.1 days and regularly aggregates up to 1.65" (42mm) of snow. Throughout the year, there are 63.5 snowfall days, and 22.76" (578mm) of snow is accumulated.

Daylight

In Salmon, Idaho, the average length of the day in October is 10h and 56min.
On the first day of October in Salmon, sunrise is at 7:34 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 6:24 pm MDT.

Sunshine

In October, the average sunshine is 7.4h.

UV index

In Salmon, Idaho, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In October, an average UV index of 2 transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What is the usual temperature for Salmon in October?

The average high-temperature, in October, in Salmon, is 48.7°F (9.3°C), while the average low-temperature is 30.4°F (-0.9°C).

What is the average humidity in October in Salmon?

In Salmon, the average relative humidity in October is 64%.

How many days does it rain in October in Salmon?

In October, in Salmon, Idaho, the rain falls for 12.7 days. Throughout October, 1.1" (28mm) of precipitation is accumulated.

How much does it snow in Salmon in October?

In Salmon, Idaho, in October, during 3.1 snowfall days, 1.65" (42mm) of snow is typically accumulated.

How many hours of daylight does Salmon have in October?

The average day length in October in Salmon, Idaho, is 10h and 56min.

What time are sunrise and sunset in October in Salmon?

In October, on the first day of the month, sunrise is at 7:34 am and sunset at 7:15 pm. On the last day of the month, in Salmon, sunrise is at 8:14 am and sunset at 6:24 pm MDT.

How long on average sun shines in October in Salmon?

In Salmon, Idaho, the average sunshine duration in October is 7.4h.

How high is the UV index in October in Salmon?

In Salmon, Idaho, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
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
Salmon, ID

Average temperature in October - Salmon, ID
  • Average high temperature in October: 48.7°F

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is December (25.2°F).

  • Average low temperature in October: 30.4°F

The month with the highest average low temperature is August (47.5°F).
The coldest months (with the lowest average low temperature) are January and December (9.5°F).

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Average pressure in October
Salmon, ID

Average pressure in October - Salmon, ID
  • Average pressure in October: 30.07"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in October
Salmon, ID

Average wind speed in October - Salmon, ID
  • Average wind speed in October: 4.7mph

The windiest months (with the highest average wind speed) are March and April (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in October
Salmon, ID

Average humidity in October - Salmon, ID
  • Average humidity in October: 64%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in October
Salmon, ID

Average rainfall in October - Salmon, ID
  • Average rainfall in October: 1.1"

The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are July and August (0.51").

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Average rainfall days in October
Salmon, ID

Average rainfall days in October - Salmon, ID
  • Average rainfall days in October: 12.7 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in October
Salmon, ID

Average snowfall in October - Salmon, ID
  • Average snowfall in October: 1.65"

The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Salmon, ID

Average snowfall days in October - Salmon, ID
  • Average snowfall days in October: 3.1 days

The month with the highest number of snowfall days is February (12.3 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
Salmon, ID

Average daylight in October / Average sunshine in October - Salmon, ID
  • 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 2min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in October
Salmon, ID

Average sunshine days in October - Salmon, ID
  • Average sunshine days in October: 15 days

The month with the most sunshine days is July (19.4 days).
The month with the least sunshine days is April (7.7 days).

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Average UV index in October
Salmon, ID

Average UV index in October - Salmon, ID
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in October
Salmon, ID

Average cloud cover in October - Salmon, ID
  • Average cloud cover in October: 28

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in October
Salmon, ID

Average visibility in October - Salmon, ID
  • 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, March and December (4mi).

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Salmon, Idaho, USA

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