October weather forecastIdaho Falls, ID
October
Weather in October
Idaho Falls in October has a distinctive chill in the air indicating the onset of winter. Although much warmer than winter months, locals start to feel the cold creeping in, notably during early mornings and late evenings. An increase in cloud cover is evident, providing the backdrop for a picturesque fall landscape. Although rainfall remains relatively constant, frosty mornings often leave a thin layer of snow on the ground. This change in weather calls for warmer clothing, as residents brace themselves for the imminent winter.Temperature
Idaho Falls's weather undergoes a significant change with the arrival of October, as the average high-temperature drops from a moderately hot 73.6°F (23.1°C) in September to a moderate 55.6°F (13.1°C). Idaho Falls cools down to an average low-temperature of 37.2°F (2.9°C) throughout the month of October.Humidity
The average relative humidity in October in Idaho Falls, Idaho, is 56%.Rainfall
In Idaho Falls, in October, during 7.2 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Idaho Falls, during the entire year, the rain falls for 84.3 days and collects up to 6.97" (177mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In October, it is snowing for 1.3 days. Throughout October, 0.28" (7mm) of snow is accumulated. Throughout the year, in Idaho Falls, there are 54.4 snowfall days, and 16.89" (429mm) of snow is accumulated.Daylight
In October, the average length of the day in Idaho Falls is 11h and 0min.On the first day of October, sunrise is at 7:26 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 6:20 pm MDT.
Sunshine
The average sunshine in October in Idaho Falls, Idaho, is 7.3h.UV index
The months with the lowest UV index in Idaho Falls are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 in October translates into these instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Idaho Falls, ID
- Average high temperature in October: 55.6°F
The warmest month (with the highest average high temperature) is July (86.2°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 (54.3°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in October
Idaho Falls, 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
Idaho Falls, ID
- Average wind speed in October: 7.5mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in October
Idaho Falls, ID
- Average humidity in October: 56%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (35%).
Average rainfall in October
Idaho Falls, ID
- Average rainfall in October: 0.63"
The wettest months (with the highest rainfall) are May and September (0.83").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in October
Idaho Falls, ID
- Average rainfall days in October: 7.2 days
The month with the highest number of rainy days is May (10.7 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in October
Idaho Falls, ID
- Average snowfall in October: 0.28"
The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Idaho Falls, ID
- Average snowfall days in October: 1.3 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Idaho Falls, 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 18min
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 42min).
Average sunshine days in October
Idaho Falls, ID
- Average sunshine days in October: 22.1 days
The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is February (16.2 days).
Average UV index in October
Idaho Falls, ID
- 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 January, February, March, October, November and December (UV index 2).
Average cloud cover in October
Idaho Falls, ID
- Average cloud cover in October: 23
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in October
Idaho Falls, 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).
