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 decrease of average high-temperatures is mild in October, with a decline from a pleasant 72.9°F (22.7°C) in September to a refreshing 59.4°F (15.2°C). Forreston registers a consistent average low-temperature of 43.7°F (6.5°C) during October.Humidity
The months with the lowest humidity are April and October, with an average relative humidity of 75%.Rainfall
In Forreston, in October, during 12.3 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Forreston, during the entire year, the rain falls for 145.6 days and collects up to 23.43" (595mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows in Forreston. Throughout October, in the average 0.5 snowfall days, it receives 0.55" (14mm) of snow. In Forreston, during the entire year, snow falls for 45.5 days and aggregates up to 13.15" (334mm) of snow.Daylight
In October, the average length of the day in Forreston, Illinois, is 11h and 4min.On the first day of October, sunrise is at 6:56 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:52 pm CDT.
Sunshine
The average sunshine in October in Forreston is 5.3h.UV index
In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during October leads to these instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Forreston in October?
What is the least humid month in Forreston?
What is the average humidity in October in Forreston?
How many days does it rain in October in Forreston?
When does it start to snow in Forreston?
How many hours of daylight does Forreston have in October?
When are sunrise and sunset in October in Forreston?
How many hours of sunshine does Forreston have in October?
What is the UV index intensity in October in Forreston?
Average temperature in October
Forreston, IL
- Average high temperature in October: 59.4°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in October: 43.7°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in October
Forreston, IL
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Forreston, IL
- Average wind speed in October: 9.1mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in October
Forreston, IL
- Average humidity in October: 75%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in October
Forreston, IL
- Average rainfall in October: 2.13"
The wettest month (with the highest rainfall) is June (3.39").
The driest months (with the least rainfall) are February and December (1.06").
Average rainfall days in October
Forreston, IL
- Average rainfall days in October: 12.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5 days).
Average snowfall in October
Forreston, IL
- Average snowfall in October: 0.55"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Forreston, IL
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (12.4 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
Forreston, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in October
Forreston, IL
- Average sunshine days in October: 16.2 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in October
Forreston, IL
- Average UV index in October: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Forreston, IL
- Average cloud cover in October: 42
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in October
Forreston, IL
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Forreston, Illinois, USA
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