October weather forecast
Sparta, IL

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Weather in October

October, like September, in Sparta, Illinois, is another enjoyable autumn month, with an average temperature ranging between max 66.9°F (19.4°C) and min 49.1°F (9.5°C).

Temperature

October's arrival corresponds with a decrease in average high-temperatures, from September's moderately hot 79.5°F (26.4°C) to a refreshing 66.9°F (19.4°C). October witnesses an average low-temperature hovering around a chilly 49.1°F (9.5°C).

Humidity

With an average relative humidity of 71%, October is the least humid month in Sparta.

Rainfall

In October, the rain falls for 8.3 days. Throughout October, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 125.7 rainfall days, and 18.31" (465mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Sparta, Illinois, during the entire year, snow falls for 14.8 days and aggregates up to 3.94" (100mm) of snow.

Daylight

In October, the average length of the day in Sparta is 11h and 11min.
On the first day of the month, sunrise is at 6:55 am and sunset at 6:41 pm. On the last day of October, in Sparta, sunrise is at 7:24 am and sunset at 6:00 pm CDT.

Sunshine

The average sunshine in October in Sparta is 6.4h.

UV index

In Sparta, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In October, a daily maximum UV index of 3 leads to the following instructions:
Undertake protective steps - Preventing sun damage is advised. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Sparta in October?

In Sparta, in October, the average high-temperature is 66.9°F (19.4°C), and the average low-temperature is 49.1°F (9.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 96.8°F (36°C).

What is the least humid month in Sparta?

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

What is the average humidity in October in Sparta?

The average relative humidity in October is 71%.

How many days does it rain in October in Sparta?

In October, in Sparta, the rain falls for 8.3 days. Throughout October, 1.38" (35mm) of precipitation is accumulated.

When does it start snowing in Sparta?

October is the first month it typically snows in Sparta. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

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

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

What time are sunrise and sunset in October in Sparta?

On the first day of October in Sparta, sunrise is at 6:55 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 6:00 pm CDT.

How many hours of sunshine does Sparta have in October?

The average sunshine duration in October in Sparta, Illinois, is 6.4h.

How high is the UV index in October in Sparta?

In October, the average daily maximum UV index in Sparta, Illinois, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Sparta, IL

Average temperature in October - Sparta, IL
  • Average high temperature in October: 66.9°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in October: 49.1°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in October
Sparta, IL

Average pressure in October - Sparta, IL
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Sparta, IL

Average wind speed in October - Sparta, IL
  • Average wind speed in October: 7.9mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in October
Sparta, IL

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

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Sparta, IL

Average rainfall in October - Sparta, IL
  • Average rainfall in October: 1.38"

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is February (0.94").

Average rainfall days in October
Sparta, IL

Average rainfall days in October - Sparta, IL
  • Average rainfall days in October: 8.3 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is January (6.1 days).

Average snowfall in October
Sparta, IL

Average snowfall in October - Sparta, IL
  • Average snowfall in October: 0.08"

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

Average snowfall days in October
Sparta, IL

Average snowfall days in October - Sparta, 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
Sparta, IL

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 6h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in October
Sparta, IL

Average sunshine days in October - Sparta, IL
  • Average sunshine days in October: 21.6 days

The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is July (13 days).

Average UV index in October
Sparta, IL

Average UV index in October - Sparta, 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
Sparta, IL

Average cloud cover in October - Sparta, IL
  • Average cloud cover in October: 32

The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in October
Sparta, IL

Average visibility in October - Sparta, 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).

Sparta, Illinois, USA

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