October weather forecastSilvis, IL
October
Weather in October
October, the same as September, is another enjoyable autumn month in Silvis, Illinois, with an average temperature varying between 45°F (7.2°C) and 61.3°F (16.3°C).Temperature
The onset of October introduces a moderate change in Silvis's weather, with average high-temperatures falling from September's moderately hot 75.4°F (24.1°C) to an enjoyable 61.3°F (16.3°C). Silvis's October nights cool down to an average low-temperature of 45°F (7.2°C).Humidity
October is the least humid month, with an average relative humidity of 71%.Rainfall
In Silvis, in October, it is raining for 8.4 days, with typically 0.71" (18mm) of accumulated precipitation. In Silvis, during the entire year, the rain falls for 99.4 days and collects up to 9.57" (243mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. In Silvis, in October, snow falls for 0.6 days, with typically accumulated 0.31" (8mm) of snow. Throughout the year, there are 24.5 snowfall days, and 4.09" (104mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 5min.On the first day of the month, sunrise is at 6:59 am and sunset at 6:42 pm. On the last day of October, sunrise is at 7:33 am and sunset at 5:57 pm CDT.
Sunshine
In Silvis, the average sunshine in October is 5.5h.UV index
In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 2 in October transforms into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Silvis, IL
- Average high temperature in October: 61.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in October: 45°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in October
Silvis, IL
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Silvis, IL
- Average wind speed in October: 9.5mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in October
Silvis, IL
- Average humidity in October: 71%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Silvis, IL
- Average rainfall in October: 0.71"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days in October
Silvis, IL
- Average rainfall days in October: 8.4 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in October
Silvis, IL
- Average snowfall in October: 0.31"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in October
Silvis, IL
- Average snowfall days in October: 0.6 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Silvis, IL
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in October
Silvis, IL
- Average sunshine days in October: 21.3 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (14.4 days).
Average UV index in October
Silvis, IL
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in October
Silvis, IL
- Average cloud cover in October: 39
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in October
Silvis, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
