October weather forecastSalmon, ID
October
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
A clear reduction in the average high-temperature marks the arrival of October in Salmon, falling from a comfortable 65.3°F (18.5°C) in September to a frosty 48.7°F (9.3°C). During the month of October, the nighttime temperature falls to an average of 30.4°F (-0.9°C).Humidity
In Salmon, Idaho, the average relative humidity in October is 64%.Rainfall
In October, the rain falls for 12.7 days. Throughout October, 1.1" (28mm) of precipitation is accumulated. In Salmon, during the entire year, the rain falls for 129.5 days and collects up to 12.4" (315mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In October, it is snowing for 3.1 days. Throughout October, 1.65" (42mm) of snow is accumulated. In Salmon, during the entire year, snow falls for 63.5 days and aggregates up to 22.76" (578mm) of snow.Daylight
In October, the average length of the day is 10h and 56min.On the first day of October, 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, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during October translates into the following guidance:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. 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. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in October /
Average sunshine in October
Salmon, ID
- Average daylight in October: 10h and 54min
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 24min
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).
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).
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).
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).
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).
