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
October brings a decrease in the average high-temperature, shifting from a warm 76.6°F (24.8°C) in September to an enjoyable 63°F (17.2°C). Throughout October, Smithfield's nights cool down to an average of 46.6°F (8.1°C).Humidity
The least humid month is October, with an average relative humidity of 71%.Rainfall
In Smithfield, in October, during 10.5 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Smithfield, during the entire year, the rain falls for 131.7 days and collects up to 22.48" (571mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows in Smithfield. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 27.4 snowfall days, and 9.21" (234mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 7min.On the first day of October, sunrise is at 6:58 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:58 pm CDT.
Sunshine
In Smithfield, the average sunshine in October is 5.7h.UV index
In Smithfield, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 3 in October translates into this advice:
Make use of precautions - It is urged to ward off sun damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October?
When does it start to snow?
What is the average length of the day in October?
When are sunrise and sunset in October in Smithfield?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Smithfield, IL
- Average high temperature in October: 63°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in October: 46.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in October
Smithfield, IL
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Smithfield, IL
- Average wind speed in October: 9.2mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in October
Smithfield, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Smithfield, IL
- Average rainfall in October: 1.89"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.94").
Average rainfall days in October
Smithfield, IL
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in October
Smithfield, IL
- Average snowfall in October: 0.04"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Smithfield, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (9.4 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
Smithfield, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 5h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in October
Smithfield, IL
- Average sunshine days in October: 17.9 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in October
Smithfield, IL
- Average UV index in October: 3
The months with the highest UV index are 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
Smithfield, IL
- Average cloud cover in October: 37
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in October
Smithfield, 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).
Smithfield, Illinois, USA
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