October weather forecastNelson, IL
October
Weather in October
October, like September, is a moderate autumn month in Nelson, Illinois, with an average temperature ranging between min 44.6°F (7°C) and max 60.6°F (15.9°C).Temperature
As September transitions into October, Nelson sees a drop in the average high-temperature, transitioning from a warm 73.9°F (23.3°C) to a moderate 60.6°F (15.9°C). October nights in Nelson, Illinois, experience a consistent temperature drop to a frosty 44.6°F (7°C).Humidity
October is the least humid month, with an average relative humidity of 73%.Rainfall
In October, in Nelson, the rain falls for 10.8 days. Throughout October, 1.65" (42mm) of precipitation is accumulated. Throughout the year, there are 130.2 rainfall days, and 17.36" (441mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows in Nelson. Throughout October, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow. In Nelson, during the entire year, snow falls for 34.2 days and aggregates up to 7.87" (200mm) of snow.Daylight
In Nelson, Illinois, the average length of the day in October is 11h and 4min.On the first day of October in Nelson, sunrise is at 6:56 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:53 pm CDT.
Sunshine
In Nelson, the average sunshine in October is 5.5h.UV index
In October, the average daily maximum UV index in Nelson is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 2 in October translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Nelson, IL
- Average high temperature in October: 60.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in October: 44.6°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in October
Nelson, IL
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Nelson, IL
- Average wind speed in October: 9.1mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in October
Nelson, IL
- Average humidity in October: 73%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in October
Nelson, IL
- Average rainfall in October: 1.65"
The wettest month (with the highest rainfall) is May (2.83").
The driest months (with the least rainfall) are January and February (0.75").
Average rainfall days in October
Nelson, IL
- Average rainfall days in October: 10.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in October
Nelson, IL
- Average snowfall in October: 0.16"
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Nelson, IL
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (10.2 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
Nelson, IL
- Average daylight in October: 11h and 6min
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 12min).
- Average sunshine in October: 5h and 30min
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 48min).
Average sunshine days in October
Nelson, IL
- Average sunshine days in October: 18.6 days
The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in October
Nelson, IL
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Nelson, IL
- Average cloud cover in October: 40
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in October
Nelson, 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).





