Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The transition from September to October brings a clear temperature drop, with average high-temperatures decreasing from an agreeable 68°F (20°C) to a cool 50.5°F (10.3°C). Alton observes an average low-temperature of 30.4°F (-0.9°C) during October.Humidity
The average relative humidity in October is 65%.Rainfall
In Alton, in October, during 9.1 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Alton, during the entire year, the rain falls for 117.5 days and collects up to 20.24" (514mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Alton, in October, during 5.6 snowfall days, 3.46" (88mm) of snow is typically accumulated. In Alton, during the entire year, snow falls for 116.1 days and aggregates up to 91.14" (2315mm) of snow.Daylight
The average length of the day in October is 11h and 3min.On the first day of the month, sunrise is at 7:22 am and sunset at 7:05 pm. On the last day of October, sunrise is at 7:57 am and sunset at 6:18 pm MDT.
Sunshine
The average sunshine in October is 7.1h.UV index
In Alton, 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 unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 2 during October, leads to the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. 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. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Alton in October?
What is the average humidity in October?
How many days does it rain in October?
How much does it snow in October?
How many hours of daylight does Alton have in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Alton have in October?
How high is the UV index in October?
Average temperature in October
Alton, ID
- Average high temperature in October: 50.5°F
The warmest month (with the highest average high temperature) is July (79°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 July (48.9°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in October
Alton, ID
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
Alton, ID
- Average wind speed in October: 4.8mph
The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).
Average humidity in October
Alton, ID
- Average humidity in October: 65%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).
Average rainfall in October
Alton, ID
- Average rainfall in October: 1.22"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in October
Alton, ID
- Average rainfall days in October: 9.1 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (6 days).
Average snowfall in October
Alton, ID
- Average snowfall in October: 3.46"
The month with the highest snowfall is February (18.39").
The months with the least snowfall are July and August (0").
Average snowfall days in October
Alton, ID
- Average snowfall days in October: 5.6 days
The month with the highest number of snowfall days is December (21.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in October /
Average sunshine in October
Alton, ID
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 7h and 1min
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 24min).
Average sunshine days in October
Alton, ID
- Average sunshine days in October: 18 days
The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in October
Alton, ID
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in October
Alton, ID
- Average cloud cover in October: 25
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in October
Alton, 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 and February (3mi).
Alton, Idaho, USA
Weather forecast for your location
2. Allow the app to use your location