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 River Forest, the average high-temperature in October decreases from a warm 74.5°F (23.6°C) in September to an enjoyable 62.2°F (16.8°C). River Forest experiences a consistent average temperature of 46.6°F (8.1°C) throughout the nights in October.Humidity
With an average relative humidity of 74%, October is the least humid month in River Forest.Rainfall
In River Forest, in October, during 11 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In River Forest, during the entire year, the rain falls for 142.1 days and collects up to 20.91" (531mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in River Forest. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 34.7 snowfall days, and 8.74" (222mm) of snow is accumulated.Daylight
The average length of the day in October in River Forest is 11h and 8min.On the first day of the month, sunrise is at 7:39 am and sunset at 7:24 pm. On the last day of October, sunrise is at 8:11 am and sunset at 6:41 pm EDT.
Sunshine
In River Forest, the average sunshine in October is 6.6h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 2 in October translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What are October temperatures in River Forest?
What is the least humid month in River Forest?
What is the average humidity in October in River Forest?
How much does it rain in River Forest in October?
When does it start to snow in River Forest?
What is the average length of the day in October in River Forest?
What time are sunrise and sunset in October in River Forest?
How many hours of sunshine does River Forest have in October?
When is the lowest UV index in River Forest?
What is the UV index intensity in October in River Forest?
Average temperature in October
River Forest, IN
- Average high temperature in October: 62.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in October: 46.6°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in October
River Forest, IN
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
River Forest, IN
- Average wind speed in October: 8.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in October
River Forest, IN
- Average humidity in October: 74%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
River Forest, IN
- Average rainfall in October: 1.3"
The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are February and November (1.14").
Average rainfall days in October
River Forest, IN
- Average rainfall days in October: 11 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in October
River Forest, IN
- Average snowfall in October: 0.08"
The months with the highest snowfall are February and December (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
River Forest, IN
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
River Forest, IN
- 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 24min).
- Average sunshine in October: 6h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
River Forest, IN
- Average sunshine days in October: 18.2 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in October
River Forest, IN
- Average UV index in October: 2
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, October, November and December (UV index 2).
Average cloud cover in October
River Forest, IN
- Average cloud cover in October: 38
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are June, July and August (Cloud cover 32).
Average visibility in October
River Forest, IN
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
River Forest, Indiana, USA
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