October weather forecast
Springfield, IL

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The Abraham Lincoln House in Springfield, Illinois
The Abraham Lincoln House in Springfield, Illinois

Weather in October

October brings further weather transformations. The pleasant warmth of September gives way to the cooler temperatures of autumn. The preparatory phase for the impending winter sets in, with colder nights becoming the norm. The fall foliage reaches its peak, making the natural environment a vivid palette of colors. The decrease in cloud cover also means more clear, starry nights.

Temperature

Observing a mild shift, the average high-temperature during October reduces from September's moderately hot 77.4°F (25.2°C) to a comfortable 64°F (17.8°C). During October, an average low-temperature of 48.2°F (9°C) is observed.

Humidity

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

Rainfall

In October, the rain falls for 10.3 days. Throughout October, 2.01" (51mm) of precipitation is accumulated. Throughout the year, in Springfield, Illinois, there are 140.2 rainfall days, and 23.27" (591mm) of precipitation is accumulated.

Snowfall

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

Daylight

In October, the average length of the day is 11h and 8min.
On the first day of the month, sunrise is at 6:55 am and sunset at 6:40 pm. On the last day of October, sunrise is at 7:27 am and sunset at 5:57 pm CDT.

Sunshine

In October, the average sunshine is 6h.

UV index

The average daily maximum UV index in October in Springfield is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: During October, 3 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What is the average October temperature in Springfield?

The average high-temperature, in October, in Springfield, is 64°F (17.8°C), while the average low-temperature is 48.2°F (9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 87.8°F (31°C).

What is the least humid month in Springfield?

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

What is the average humidity in October in Springfield?

In October, the average relative humidity in Springfield is 70%.

How many days does it rain in October in Springfield?

In Springfield, Illinois, in October, it is raining for 10.3 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow in Springfield?

May through October are months without snowfall in Springfield, Illinois.

Does it snow in Springfield in October?

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

What is the average length of the day in October in Springfield?

In Springfield, Illinois, the average day length in October is 11h and 8min.

What time are sunrise and sunset in October in Springfield?

On the first day of October in Springfield, sunrise is at 6:55 am and sunset at 6:40 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:57 pm CDT.

How long on average sun shines in October in Springfield?

The average sunshine duration in October in Springfield is 6h.

What is the UV index intensity in October in Springfield?

In Springfield, Illinois, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium 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
Springfield, IL

Average temperature in October - Springfield, IL
  • Average high temperature in October: 64°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in October: 48.2°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure in October
Springfield, IL

Average pressure in October - Springfield, IL
  • Average pressure in October: 30.02"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).

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Average wind speed in October
Springfield, IL

Average wind speed in October - Springfield, IL
  • Average wind speed in October: 9.1mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in October
Springfield, IL

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in October
Springfield, IL

Average rainfall in October - Springfield, IL
  • Average rainfall in October: 2.01"

The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is December (1.18").

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Average rainfall days in October
Springfield, IL

Average rainfall days in October - Springfield, IL
  • Average rainfall days in October: 10.3 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in October
Springfield, IL

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

The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Springfield, IL

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

The month with the highest number of snowfall days is January (9.5 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
Springfield, IL

Average daylight in October / Average sunshine in October - Springfield, 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: 6h and 0min

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

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Average sunshine days in October
Springfield, IL

Average sunshine days in October - Springfield, IL
  • Average sunshine days in October: 18.9 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.4 days).

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Average UV index in October
Springfield, IL

Average UV index in October - Springfield, 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).

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Average cloud cover in October
Springfield, IL

Average cloud cover in October - Springfield, IL
  • Average cloud cover in October: 35

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June and September (Cloud cover 29).

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Average visibility in October
Springfield, IL

Average visibility in October - Springfield, 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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Springfield, Illinois, USA

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