October weather forecast
Nelson, IL

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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.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Nelson in October?

In Nelson, in October, the average high-temperature is 60.6°F (15.9°C), and the average low-temperature is 44.6°F (7°C).

What is the least humid month in Nelson?

The least humid month is October, with an average relative humidity of 73%.

What is the average humidity in October in Nelson?

The average relative humidity in October is 73%.

How much does it rain in Nelson in October?

In Nelson, during October, the rain falls for 10.8 days and regularly aggregates up to 1.65" (42mm) of precipitation.

When does it start snowing in Nelson?

October is the first month it typically snows in Nelson, Illinois. Throughout October, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow.

How many hours of daylight does Nelson have in October?

In October, the average day length is 11h and 4min.

What time are sunrise and sunset in October in Nelson?

In October, on the first day of the month, sunrise is at 6:56 am and sunset at 6:39 pm. On the last day of the month, in Nelson, sunrise is at 7:30 am and sunset at 5:53 pm CDT.

How long on average sun shines in October in Nelson?

In October, the average sunshine duration is 5.5h.

What is the UV index reading in October in Nelson?

In October, the average daily maximum UV index in Nelson, Illinois, is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Nelson, IL

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in October - Nelson, IL
  • Average daylight in October: 11h and 1min

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 3min

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 - 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 - 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 - 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 - 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).

Nelson, Illinois, USA

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