October weather forecastMarion, IL
October
Weather in October
October brings cooler autumnal weather to Marion, with an evident decrease in temperature. The mild autumn month witnesses averages falling to 67.3°F (19.6°C) at their highest and 49.3°F (9.6°C) at their lowest. Transitioning from September to October, the noticeable reduction in daylight hours symbolizes the approaching winter. Despite the general dip in temperature, October still provides comfortable weather suitable for a variety of outdoor activities. As October ends, November introduces a further decrease in temperature and constrained daylight hours, warning of the upcoming winter.Temperature
With the onset of October, Marion experiences a modest temperature adjustment, with the average high-temperature receding from a warm 80.8°F (27.1°C) in September to a comfortable 67.3°F (19.6°C). Marion's nighttime temperature during October is consistently averaged at a frosty 49.3°F (9.6°C).Humidity
With an average relative humidity of 71%, October is the least humid month.Rainfall
In October, the rain falls for 8.5 days. Throughout October, 1.89" (48mm) of precipitation is accumulated. In Marion, during the entire year, the rain falls for 137.6 days and collects up to 23.03" (585mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Marion. October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. In Marion, during the entire year, snow falls for 14.5 days and aggregates up to 4.13" (105mm) of snow.Daylight
In Marion, the average length of the day in October is 11h and 13min.On the first day of October, sunrise is at 6:51 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:57 pm CDT.
Sunshine
The average sunshine in October is 6.5h.UV index
In Marion, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In October, the maximum UV index of 3 transforms into these recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Marion, IL
- Average high temperature in October: 67.3°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in October: 49.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in October
Marion, IL
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in October
Marion, IL
- Average wind speed in October: 8.1mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in October
Marion, IL
- Average humidity in October: 71%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Marion, IL
- Average rainfall in October: 1.89"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in October
Marion, IL
- Average rainfall days in October: 8.5 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in October
Marion, IL
- Average snowfall in October: 0.12"
The months with the highest snowfall are January and February (0.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Marion, IL
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is February (4.3 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
Marion, IL
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 6h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in October
Marion, IL
- Average sunshine days in October: 20.6 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in October
Marion, IL
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in October
Marion, IL
- Average cloud cover in October: 32
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 28).
Average visibility in October
Marion, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
