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 start of October comes with a reduction in the average high-temperature, receding from a warm 78.4°F (25.8°C) in September to a refreshing 65.3°F (18.5°C). The average temperature during October nights dips to a chilly 48.2°F (9°C).Humidity
The least humid month in Dow is October, with an average relative humidity of 71%.Rainfall
In Dow, in October, it is raining for 9.8 days, with typically 1.65" (42mm) of accumulated precipitation. In Dow, during the entire year, the rain falls for 136.5 days and collects up to 23.11" (587mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In October, the average length of the day is 11h and 10min.On the first day of October, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 6:01 pm CDT.
Sunshine
The average sunshine in October is 6h.UV index
The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 in October translates into these instructions:
Ensure safety - Sun damage prevention is strongly urged. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Dow in October?
What is the least humid month?
What is the average humidity in October?
How much does it rain in October?
When it does not snow?
Does it snow in October?
How many hours of daylight does Dow have in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Dow have in October?
What is the UV index reading in October?
Average temperature in October
Dow, IL
- Average high temperature in October: 65.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in October: 48.2°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in October
Dow, IL
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Dow, IL
- Average wind speed in October: 8.2mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in October
Dow, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Dow, IL
- Average rainfall in October: 1.65"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in October
Dow, IL
- Average rainfall days in October: 9.8 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in October
Dow, IL
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Dow, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (6.2 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
Dow, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 6h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in October
Dow, IL
- Average sunshine days in October: 20.2 days
The month with the most sunshine days is January (20.3 days).
The months with the least sunshine days are May and June (12.3 days).
Average UV index in October
Dow, IL
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Dow, IL
- Average cloud cover in October: 33
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in October
Dow, 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).
Dow, Illinois, USA
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