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
Observing a mild shift, the average high-temperature during October reduces from September's moderately hot 73.8°F (23.2°C) to a mild 60.3°F (15.7°C). In October, Somonauk records an average nighttime temperature of 44.8°F (7.1°C).Humidity
October is the least humid month in Somonauk, with an average relative humidity of 74%.Rainfall
In Somonauk, in October, it is raining for 13.5 days, with typically 2.87" (73mm) of accumulated precipitation. In Somonauk, during the entire year, the rain falls for 162.1 days and collects up to 33.54" (852mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Somonauk. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, in Somonauk, there are 43.6 snowfall days, and 16.73" (425mm) of snow is accumulated.Daylight
The average length of the day in October in Somonauk is 11h and 4min.On the first day of the month, sunrise is at 6:52 am and sunset at 6:35 pm. On the last day of October, sunrise is at 7:26 am and sunset at 5:50 pm CDT.
Sunshine
In Somonauk, the average sunshine in October is 5.6h.UV index
In October, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In October, the maximum UV index of 2 transforms into these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the temperature in October in Somonauk?
What is the least humid month in Somonauk?
What is the average humidity in October in Somonauk?
How much does it rain in Somonauk in October?
When does it start to snow in Somonauk?
What is the average length of the day in October in Somonauk?
When are sunrise and sunset in October in Somonauk?
How many hours of sunshine does Somonauk have in October?
How high is the UV index in October in Somonauk?
Average temperature in October
Somonauk, IL
- Average high temperature in October: 60.3°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in October: 44.8°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in October
Somonauk, IL
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Somonauk, IL
- Average wind speed in October: 8.8mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in October
Somonauk, IL
- Average humidity in October: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Somonauk, IL
- Average rainfall in October: 2.87"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in October
Somonauk, IL
- Average rainfall days in October: 13.5 days
The months with the highest number of rainy days are June and July (19.3 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in October
Somonauk, IL
- Average snowfall in October: 0.16"
The month with the highest snowfall is January (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Somonauk, IL
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Somonauk, IL
- Average daylight in October: 11h and 1min
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 4min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in October
Somonauk, IL
- Average sunshine days in October: 15.3 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (8.2 days).
Average UV index in October
Somonauk, IL
- Average UV index in October: 2
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Somonauk, IL
- Average cloud cover in October: 41
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in October
Somonauk, IL
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Somonauk, Illinois, USA
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