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 signals a shift in temperature, down from a warm 77.2°F (25.1°C) in September to an enjoyable 64°F (17.8°C). During October, the average low-temperature is a frosty 48.2°F (9°C).Humidity
The least humid month is October, with an average relative humidity of 70%.Rainfall
In Riverton, in October, during 9.5 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Riverton, during the entire year, the rain falls for 131.5 days and collects up to 18.54" (471mm) of precipitation.Snowfall
May through October are months without snowfall in Riverton.Daylight
In October, the average length of the day in Riverton is 11h and 8min.On the first day of October, sunrise is at 6:55 am and sunset at 6:40 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:56 pm CDT.
Sunshine
In October, the average sunshine is 6.1h.UV index
In October, the average daily maximum UV index in Riverton is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In October, the maximum UV index of 3 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What are the temperatures in Riverton in October?
What is the least humid month in Riverton?
What is the average humidity in October in Riverton?
How many days does it rain in October in Riverton?
When it does not snow in Riverton?
Does it snow in Riverton in October?
What is the average length of the day in October in Riverton?
When are sunrise and sunset in October in Riverton?
How many hours of sunshine does Riverton have in October?
How high is the UV index in October in Riverton?
Average temperature in October
Riverton, IL
- Average high temperature in October: 64°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 (33.1°F).
- Average low temperature in October: 48.2°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in October
Riverton, IL
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Riverton, IL
- Average wind speed in October: 9.1mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in October
Riverton, IL
- Average humidity in October: 70%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Riverton, IL
- Average rainfall in October: 1.46"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in October
Riverton, IL
- Average rainfall days in October: 9.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in October
Riverton, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Riverton, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (8 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
Riverton, 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 24min).
- Average sunshine in October: 6h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in October
Riverton, IL
- Average sunshine days in October: 20 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in October
Riverton, 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
Riverton, IL
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June, August and September (Cloud cover 30).
Average visibility in October
Riverton, 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).
Riverton, Illinois, USA
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