October weather forecast
Manchester, IL

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Weather in October

October, the same as September, is another comfortable autumn month in Manchester, Illinois, with an average temperature fluctuating between 64.4°F (18°C) and 47.8°F (8.8°C).

Temperature

Manchester's weather changes with the onset of October, slightly falling from a moderately hot 78.1°F (25.6°C) in September to a comfortable 64.4°F (18°C). In October, the average low-temperature in Manchester records at a chilly 47.8°F (8.8°C) during the nights.

Humidity

The least humid month is October, with an average relative humidity of 71%.

Rainfall

In Manchester, in October, during 10 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, in Manchester, Illinois, there are 127.3 rainfall days, and 17.24" (438mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in October is 11h and 9min.
On the first day of October in Manchester, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 6:00 pm CDT.

Sunshine

In October, the average sunshine is 5.9h.

UV index

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 3 in October interprets into the following advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. Boost your sun resistance with garments that are densely woven yet spacious. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Manchester in October?

The high-temperature, in October, in Manchester, is 64.4°F (18°C), while the low-temperature averages to 47.8°F (8.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 91.4°F (33°C).

What is the least humid month in Manchester?

October is the least humid month, with an average relative humidity of 71%.

What is the average humidity in October in Manchester?

In October, the average relative humidity is 71%.

How many days does it rain in October in Manchester?

In Manchester, in October, during 10 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

When it does not snow in Manchester?

In Manchester, snow does not fall in May through October.

Does it snow in Manchester in October?

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

How many hours of daylight does Manchester have in October?

In October, the average day length in Manchester is 11h and 9min.

What time are sunrise and sunset in October in Manchester?

In October, on the first day of the month, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of the month, in Manchester, sunrise is at 7:29 am and sunset at 6:00 pm CDT.

How long on average sun shines in October in Manchester?

The average sunshine duration in October in Manchester is 5.9h.

How high is the UV index in October in Manchester?

In Manchester, the average daily maximum UV index in October 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
Manchester, IL

Average temperature in October - Manchester, IL
  • Average high temperature in October: 64.4°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in October: 47.8°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in October
Manchester, IL

Average pressure in October - Manchester, IL
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in October
Manchester, IL

Average wind speed in October - Manchester, IL
  • Average wind speed in October: 8.5mph

The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

Average humidity in October
Manchester, IL

Average humidity in October - Manchester, IL
  • Average humidity in October: 71%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Manchester, IL

Average rainfall in October - Manchester, IL
  • Average rainfall in October: 1.34"

The wettest month (with the highest rainfall) is June (2.44").
The driest months (with the least rainfall) are January and November (0.83").

Average rainfall days in October
Manchester, IL

Average rainfall days in October - Manchester, IL
  • Average rainfall days in October: 10 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.5 days).

Average snowfall in October
Manchester, IL

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

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Manchester, IL

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

The month with the highest number of snowfall days is January (7.2 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
Manchester, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in October
Manchester, IL

Average sunshine days in October - Manchester, IL
  • Average sunshine days in October: 20.2 days

The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in October
Manchester, IL

Average UV index in October - Manchester, IL
  • Average UV index in October: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in October
Manchester, IL

Average cloud cover in October - Manchester, IL
  • Average cloud cover in October: 34

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in October
Manchester, IL

Average visibility in October - Manchester, 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).

Manchester, Illinois, USA

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