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
With the onset of October, South Holland's average high-temperature adjusts, receding from September's moderately hot 73.8°F (23.2°C) to a mild 60.3°F (15.7°C). During October nights, South Holland records an average temperature of 47.7°F (8.7°C).Humidity
With an average relative humidity of 72%, October is the least humid month.Rainfall
In South Holland, in October, it is raining for 9 days, with typically 0.87" (22mm) of accumulated precipitation. In South Holland, Illinois, during the entire year, the rain falls for 110.3 days and collects up to 10.31" (262mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows in South Holland. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in South Holland, there are 34.1 snowfall days, and 4.13" (105mm) of snow is accumulated.Daylight
The average length of the day in October in South Holland, Illinois, is 11h and 4min.On the first day of the month, sunrise is at 6:48 am and sunset at 6:31 pm. On the last day of October, sunrise is at 7:22 am and sunset at 5:45 pm CDT.
Sunshine
In South Holland, the average sunshine in October is 5.9h.UV index
In October, the average daily maximum UV index in South Holland is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 3 in October transforms into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What are the temperatures in South Holland in October?
What is the least humid month in South Holland?
What is the average humidity in October in South Holland?
How many days does it rain in October in South Holland?
When does it start snowing in South Holland?
What is the average length of the day in October in South Holland?
When are sunrise and sunset in October in South Holland?
How long on average sun shines in October in South Holland?
How high is the UV index in October in South Holland?
Average temperature in October
South Holland, IL
- Average high temperature in October: 60.3°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in October: 47.7°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in October
South Holland, IL
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
South Holland, IL
- Average wind speed in October: 9.8mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in October
South Holland, IL
- Average humidity in October: 72%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
South Holland, IL
- Average rainfall in October: 0.87"
The wettest months (with the highest rainfall) are May and June (1.38").
The driest months (with the least rainfall) are February and December (0.47").
Average rainfall days in October
South Holland, IL
- Average rainfall days in October: 9 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in October
South Holland, IL
- Average snowfall in October: 0.04"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
South Holland, IL
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (9.3 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
South Holland, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in October
South Holland, IL
- Average sunshine days in October: 18.1 days
The month with the most sunshine days is December (19.8 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in October
South Holland, IL
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
South Holland, IL
- Average cloud cover in October: 41
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in October
South Holland, 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).
South Holland, Illinois, USA
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