October weather forecast
Junction, IL

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Weather in October

October, like September, in Junction, Illinois, is another refreshing autumn month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 67.8°F (19.9°C).

Temperature

Junction in October experiences a subtle temperature decline, with average high-temperatures reducing from a moderately hot 79.9°F (26.6°C) in September to a comfortable 67.8°F (19.9°C). The nights of October anticipate an average low-temperature of 49.6°F (9.8°C).

Humidity

October is the least humid month in Junction, with an average relative humidity of 70%.

Rainfall

In Junction, in October, it is raining for 9.5 days, with typically 1.77" (45mm) of accumulated precipitation. In Junction, during the entire year, the rain falls for 146.3 days and collects up to 24.96" (634mm) of precipitation.

Snowfall

In Junction, Illinois, snow does not fall in May through October.

Daylight

The average length of the day in October in Junction is 11h and 13min.
On the first day of the month, sunrise is at 6:49 am and sunset at 6:35 pm. On the last day of October, sunrise is at 7:17 am and sunset at 5:55 pm CDT.

Sunshine

In Junction, the average sunshine in October is 6.9h.

UV index

In October, the average daily maximum UV index in Junction is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 3 in October translates into this advice:
Exercise prevention - Warding off sunburn is urged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly 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 Junction in October?

In October, the average high-temperature and low-temperature are 67.8°F (19.9°C) and 49.6°F (9.8°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is appraised at 95°F (35°C).

What is the least humid month in Junction?

The least humid month in Junction, Illinois, is October, with an average relative humidity of 70%.

What is the average humidity in October in Junction?

In October, the average relative humidity is 70%.

How many days does it rain in October in Junction?

In October, in Junction, the rain falls for 9.5 days. Throughout October, 1.77" (45mm) of precipitation is accumulated.

When it does not snow in Junction?

In Junction, Illinois, snow does not fall in May through October.

Does it snow in Junction in October?

In Junction, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Junction have in October?

In October, the average day length in Junction is 11h and 13min.

When is the sunrise / sunset in October in Junction?

On the first day of October in Junction, sunrise is at 6:49 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:55 pm CDT.

How many hours of sunshine does Junction have in October?

In Junction, Illinois, the average sunshine duration in October is 6.9h.

How high is the UV index in October in Junction?

In October, the average daily maximum UV index in Junction is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
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
Junction, IL

Average temperature in October - Junction, IL
  • Average high temperature in October: 67.8°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in October: 49.6°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in October
Junction, IL

Average pressure in October - Junction, IL
  • Average pressure in October: 30.05"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in October
Junction, IL

Average wind speed in October - Junction, IL
  • Average wind speed in October: 8.2mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in October
Junction, IL

Average humidity in October - Junction, IL
  • Average humidity in October: 70%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in October
Junction, IL

Average rainfall in October - Junction, IL
  • Average rainfall in October: 1.77"

The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").

Average rainfall days in October
Junction, IL

Average rainfall days in October - Junction, IL
  • Average rainfall days in October: 9.5 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).

Average snowfall in October
Junction, IL

Average snowfall in October - Junction, IL
  • Average snowfall in October: 0"

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Junction, IL

Average snowfall days in October - Junction, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (4.8 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
Junction, IL

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

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 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in October
Junction, IL

Average sunshine days in October - Junction, IL
  • Average sunshine days in October: 20.5 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in October
Junction, IL

Average UV index in October - Junction, 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
Junction, IL

Average cloud cover in October - Junction, IL
  • Average cloud cover in October: 31

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in October
Junction, IL

Average visibility in October - Junction, 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).

Junction, Illinois, USA

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