October weather forecastRichmond, IL
October
Weather in October
October, like September, is a moderate autumn month in Richmond, Illinois, with temperature in the range of an average low of 42.3°F (5.7°C) and an average high of 58.1°F (14.5°C).Temperature
Richmond's transition into October involves a shift in temperature, receding from a pleasant 71.8°F (22.1°C) in September to a refreshing 58.1°F (14.5°C). An average nighttime temperature of 42.3°F (5.7°C) is witnessed in Richmond, Illinois throughout October.Humidity
In Richmond, the average relative humidity in October is 77%.Rainfall
In October, in Richmond, Illinois, the rain falls for 11.5 days. Throughout October, 1.77" (45mm) of precipitation is accumulated. In Richmond, during the entire year, the rain falls for 133.6 days and collects up to 20.16" (512mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Richmond. October is the first month it typically snows in Richmond. Throughout October, in the average 0.9 snowfall days, it receives 0.47" (12mm) of snow. Throughout the year, there are 46.5 snowfall days, and 12.95" (329mm) of snow is accumulated.Daylight
The average length of the day in October in Richmond is 11h and 2min.On the first day of October, sunrise is at 6:51 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:47 pm CDT.
Sunshine
In Richmond, the average sunshine in October is 5.3h.UV index
In Richmond, Illinois, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In October, an average UV index of 2 transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Richmond, IL
- Average high temperature in October: 58.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in October: 42.3°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in October
Richmond, IL
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Richmond, IL
- Average wind speed in October: 8.6mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in October
Richmond, IL
- Average humidity in October: 77%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in October
Richmond, IL
- Average rainfall in October: 1.77"
The wettest month (with the highest rainfall) is June (2.87").
The driest months (with the least rainfall) are January, February and December (0.83").
Average rainfall days in October
Richmond, IL
- Average rainfall days in October: 11.5 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in October
Richmond, IL
- Average snowfall in October: 0.47"
The month with the highest snowfall is January (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Richmond, IL
- Average snowfall days in October: 0.9 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Richmond, IL
- Average daylight in October: 11h and 0min
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 6min).
- Average sunshine in October: 5h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in October
Richmond, IL
- Average sunshine days in October: 16.3 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in October
Richmond, IL
- Average UV index in October: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Richmond, IL
- Average cloud cover in October: 44
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in October
Richmond, IL
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
