October weather forecast
Sibley, IL

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Weather in October

October, like September, in Sibley, Illinois, is another refreshing autumn month, with an average temperature fluctuating between 62.4°F (16.9°C) and 46.9°F (8.3°C).

Temperature

With October's arrival, Sibley's weather changes as the average high-temperature falls from a moderately hot 75.7°F (24.3°C) in September to a comfortable 62.4°F (16.9°C). Sibley encounters an average low-temperature of 46.9°F (8.3°C) during October nights.

Humidity

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

Rainfall

In Sibley, during October, the rain falls for 10.2 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Sibley, during the entire year, the rain falls for 126.2 days and collects up to 14.96" (380mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows in Sibley. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Sibley, Illinois, during the entire year, snow falls for 29.4 days and aggregates up to 4.69" (119mm) of snow.

Daylight

The average length of the day in October is 11h and 7min.
On the first day of October, sunrise is at 6:50 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:50 pm CDT.

Sunshine

In Sibley, the average sunshine in October is 5.9h.

UV index

In Sibley, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 3 during October translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What is the average October temperature in Sibley?

The high-temperature, in October, in Sibley, records 62.4°F (16.9°C), while the low-temperature is 46.9°F (8.3°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in July is estimated at 86°F (30°C).

What is the least humid month in Sibley?

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

What is the average humidity in October in Sibley?

The average relative humidity in October in Sibley is 71%.

How much does it rain in Sibley in October?

In Sibley, Illinois, in October, it is raining for 10.2 days, with typically 1.22" (31mm) of accumulated precipitation.

When does it start snowing in Sibley?

October is the first month it typically snows in Sibley, Illinois. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Sibley have in October?

In Sibley, the average day length in October is 11h and 7min.

When are sunrise and sunset in October in Sibley?

On the first day of October in Sibley, sunrise is at 6:50 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:50 pm CDT.

How many hours of sunshine does Sibley have in October?

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

How high is the UV index in October in Sibley?

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health risk 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
Sibley, IL

Average temperature in October - Sibley, IL
  • Average high temperature in October: 62.4°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in October: 46.9°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in October
Sibley, IL

Average pressure in October - Sibley, IL
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in October
Sibley, IL

Average wind speed in October - Sibley, IL
  • Average wind speed in October: 9.7mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in October
Sibley, IL

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

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
Sibley, IL

Average rainfall in October - Sibley, IL
  • Average rainfall in October: 1.22"

The wettest month (with the highest rainfall) is May (1.93").
The driest months (with the least rainfall) are February and December (0.75").

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Average rainfall days in October
Sibley, IL

Average rainfall days in October - Sibley, IL
  • Average rainfall days in October: 10.2 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in October
Sibley, IL

Average snowfall in October - Sibley, IL
  • Average snowfall in October: 0.04"

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Sibley, IL

Average snowfall days in October - Sibley, IL
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Sibley, IL

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in October
Sibley, IL

Average sunshine days in October - Sibley, IL
  • Average sunshine days in October: 18.5 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.3 days).

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Average UV index in October
Sibley, IL

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in October
Sibley, IL

Average cloud cover in October - Sibley, IL
  • Average cloud cover in October: 38

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).

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Average visibility in October
Sibley, IL

Average visibility in October - Sibley, 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).

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Sibley, Illinois, USA

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