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
In October, the meteorological conditions alter, with the average high-temperature shifting from a warm 75.7°F (24.3°C) in September to a comfortable 62.2°F (16.8°C). Forrest experiences a steady low-temperature of 46.8°F (8.2°C) throughout October.Humidity
The least humid month in Forrest is October, with an average relative humidity of 71%.Rainfall
In October, the rain falls for 10.3 days. Throughout October, 1.34" (34mm) of precipitation is accumulated. 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 in Forrest. 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 Forrest, the average length of the day in October is 11h and 6min.On the first day of the month, sunrise is at 6:50 am and sunset at 6:35 pm. On the last day of October, in Forrest, 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 October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 3 in October translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What are October temperatures in Forrest?
What is the least humid month in Forrest?
What is the average humidity in October in Forrest?
How much does it rain in Forrest in October?
When does it start to snow in Forrest?
What is the average length of the day in October in Forrest?
When is the sunrise / sunset in October in Forrest?
How many hours of sunshine does Forrest have in October?
What is the UV index reading in October in Forrest?
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
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