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 arrival of October corresponds with a temperature reduction, down from September's moderately hot 75.7°F (24.3°C) to a refreshing 62.2°F (16.8°C). During October, Forrest consistently records a temperature low averaging a chilly 46.8°F (8.2°C).Humidity
The least humid month is October, with an average relative humidity of 71%.Rainfall
In Forrest, in October, it is raining for 10.3 days, with typically 1.34" (34mm) of accumulated precipitation. In Forrest, during the entire year, the rain falls for 130.5 days and collects up to 17.44" (443mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Forrest, during the entire year, snow falls for 30.5 days and aggregates up to 7.68" (195mm) of snow.Daylight
In October, the average length of the day is 11h and 6min.On the first day of October, sunrise is at 6:50 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:50 pm CDT.
Sunshine
The average sunshine in October is 5.9h.UV index
In Forrest, Illinois, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in October interprets into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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 snowing?
How many hours of daylight does Forrest have in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Forrest have in October?
What is the UV index reading in October?
Average temperature in October
Forrest, IL
- Average high temperature in October: 62.2°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in October: 46.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in October
Forrest, IL
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Forrest, IL
- Average wind speed in October: 9.5mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in October
Forrest, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Forrest, IL
- Average rainfall in October: 1.34"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in October
Forrest, IL
- Average rainfall days in October: 10.3 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (5 days).
Average snowfall in October
Forrest, IL
- Average snowfall in October: 0.04"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Forrest, IL
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (10.6 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
Forrest, 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 5min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in October
Forrest, IL
- Average sunshine days in October: 19.1 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in October
Forrest, IL
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Forrest, IL
- Average cloud cover in October: 38
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in October
Forrest, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Forrest, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location