October weather forecastStillman Valley, IL
October
Weather in October
October, the same as September, in Stillman Valley, Illinois, is a moderate autumn month, with an average temperature varying between 59.5°F (15.3°C) and 43.7°F (6.5°C).Temperature
Onset of October comes with a temperature decline, the average high falling from an agreeable 72.7°F (22.6°C) in September to a refreshing 59.5°F (15.3°C). In October, Stillman Valley encounters an average low-temperature of 43.7°F (6.5°C) during the night.Humidity
The months with the lowest humidity in Stillman Valley are April and October, with an average relative humidity of 75%.Rainfall
In Stillman Valley, in October, it is raining for 7.7 days, with typically 0.67" (17mm) of accumulated precipitation. In Stillman Valley, during the entire year, the rain falls for 100.6 days and collects up to 7.99" (203mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Stillman Valley, Illinois. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 29.5 snowfall days, and 3.66" (93mm) of snow is accumulated.Daylight
In Stillman Valley, the average length of the day in October is 11h and 4min.On the first day of October in Stillman Valley, sunrise is at 6:54 am and sunset at 6:37 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:51 pm CDT.
Sunshine
In October, the average sunshine is 5.3h.UV index
The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during October translates into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. 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
Average temperature in October
Stillman Valley, IL
- Average high temperature in October: 59.5°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in October: 43.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in October
Stillman Valley, IL
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Stillman Valley, IL
- Average wind speed in October: 8.9mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in October
Stillman Valley, IL
- Average humidity in October: 75%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in October
Stillman Valley, IL
- Average rainfall in October: 0.67"
The wettest month (with the highest rainfall) is May (1.18").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days in October
Stillman Valley, IL
- Average rainfall days in October: 7.7 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in October
Stillman Valley, IL
- Average snowfall in October: 0.2"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Stillman Valley, IL
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Stillman Valley, IL
- Average daylight in October: 11h and 6min
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: 5h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Stillman Valley, IL
- Average sunshine days in October: 21.7 days
The month with the most sunshine days is December (22.6 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in October
Stillman Valley, IL
- 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 and December (UV index 1).
Average cloud cover in October
Stillman Valley, IL
- Average cloud cover in October: 42
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in October
Stillman Valley, IL
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
