October weather forecastShelley, ID
October
Weather in October
As October stride in, slushy autumn manifests itself in Shelley, Idaho. The weather turns markedly cooler, with temperatures dropping down noticeably from September's highs. An increase in rainfall adds to the atmosphere of a typical cool, wet autumn. This combined with a reduction in the hours of daylight and sunshine sets an appropriate mood for Halloween festivities. October's crisp and refreshing weather paints an impressive spectrum of fall foliage around the city.Temperature
A notable decrease in the average high-temperature is observed during October, falling from a pleasant 72.9°F (22.7°C) in September to a refreshing 55.4°F (13°C). In October, Shelley's temperature tends to fall to an average low of 37.2°F (2.9°C) during the night.Humidity
In October, the average relative humidity is 57%.Rainfall
In Shelley, during October, the rain falls for 10 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, there are 124.6 rainfall days, and 12.24" (311mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Shelley. In Shelley, in October, snow falls for 1.5 days, with typically accumulated 0.55" (14mm) of snow. Throughout the year, there are 75.1 snowfall days, and 30.59" (777mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 1min.On the first day of the month, sunrise is at 7:26 am and sunset at 7:08 pm. On the last day of October, sunrise is at 8:03 am and sunset at 6:20 pm MDT.
Sunshine
In Shelley, the average sunshine in October is 7.4h.UV index
In Shelley, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 3 in October leads to these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Shelley, ID
- Average high temperature in October: 55.4°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in October: 37.2°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in October
Shelley, ID
- Average pressure in October: 30.06"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Shelley, ID
- Average wind speed in October: 7.5mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is January (6mph).
Average humidity in October
Shelley, ID
- Average humidity in October: 57%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in October
Shelley, ID
- Average rainfall in October: 0.91"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in October
Shelley, ID
- Average rainfall days in October: 10 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in October
Shelley, ID
- Average snowfall in October: 0.55"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Shelley, ID
- Average snowfall days in October: 1.5 days
The month with the highest number of snowfall days is December (16.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Shelley, ID
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in October: 7h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in October
Shelley, ID
- Average sunshine days in October: 18.9 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is March (10 days).
Average UV index in October
Shelley, ID
- Average UV index in October: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Shelley, ID
- Average cloud cover in October: 22
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in October
Shelley, ID
- 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 and February (4mi).
