October weather forecast
Walnut Hill, IL

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Weather in October

October, like September, in Walnut Hill, Illinois, is another enjoyable autumn month, with an average temperature varying between 49.1°F (9.5°C) and 66.2°F (19°C).

Temperature

Walnut Hill's weather in October involves a decrease in the average high-temperature, moving down from September's moderately hot 78.4°F (25.8°C) to a comfortable 66.2°F (19°C). October nights in Walnut Hill, Illinois, are marked by an average low-temperature of 49.1°F (9.5°C).

Humidity

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

Rainfall

In October, in Walnut Hill, the rain falls for 5.8 days. Throughout October, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Walnut Hill, there are 83.2 rainfall days, and 6.81" (173mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Walnut Hill, Illinois.

Daylight

In October, the average length of the day is 11h and 11min.
On the first day of the month, sunrise is at 6:52 am and sunset at 6:38 pm. On the last day of October, sunrise is at 7:22 am and sunset at 5:57 pm CDT.

Sunshine

In Walnut Hill, the average sunshine in October is 6.3h.

UV index

The average daily maximum UV index in October in Walnut Hill is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In October, the maximum UV index of 3 suggests this advice:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

What is the temperature in October in Walnut Hill?

In October, in Walnut Hill, the average high-temperature is 66.2°F (19°C), and the average low-temperature is 49.1°F (9.5°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 93.2°F (34°C).

What is the least humid month in Walnut Hill?

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

What is the average humidity in October in Walnut Hill?

In October, the average relative humidity is 71%.

How much does it rain in Walnut Hill in October?

In Walnut Hill, in October, it is raining for 5.8 days, with typically 0.67" (17mm) of accumulated precipitation.

When it does not snow in Walnut Hill?

In Walnut Hill, snow does not fall in April through October.

Does it snow in Walnut Hill in October?

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

How many hours of daylight does Walnut Hill have in October?

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

What time are sunrise and sunset in October in Walnut Hill?

In October, on the first day of the month, sunrise is at 6:52 am and sunset at 6:38 pm. On the last day of the month, in Walnut Hill, sunrise is at 7:22 am and sunset at 5:57 pm CDT.

How long on average sun shines in October in Walnut Hill?

In October, the average sunshine duration in Walnut Hill, Illinois, is 6.3h.

How high is the UV index in October in Walnut Hill?

The average daily maximum UV index in October in Walnut Hill is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND
Sep
October
Nov
Average high temperature
78.4°F 25.8°C
66.2°F 19°C
52.3°F 11.3°C
Average low temperature
59.9°F 15.5°C
49.1°F 9.5°C
37.9°F 3.3°C
Average pressure
30.03" 763mmHg
30.04" 763mmHg
30.13" 765mmHg
Average wind speed
6.5mph 10.5km/h
8.3mph 13.4km/h
9mph 14.5km/h
Average max. wind speed
6.7mph 10.8km/h
9mph 14.5km/h
9.8mph 15.8km/h
Average wind speed gusts
10.9mph 17.5km/h
14.2mph 22.9km/h
15.3mph 24.6km/h
Average humidity
75%
71%
74%
Average rainfall
0.24" 6mm
0.67" 17mm
0.47" 12mm
Average rainfall days
6.3
5.8
5.6
Average snowfall
0" 0mm
0" 0mm
0.04" 1mm
Average snowfall days
0
0
0.6
Average daylight
12h 2min
11h 1min
10h 1min
Average sunshine
9h 1min
6h 2min
5h 3min
Average sunshine days
21.4
23.5
23
Average UV index
5
3
2
Average cloud cover
30%
34%
38%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in October
Walnut Hill, IL

Average temperature in October - Walnut Hill, IL
  • Average high temperature in October: 66.2°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in October: 49.1°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in October
Walnut Hill, IL

Average pressure in October - Walnut Hill, 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).

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Average wind speed in October
Walnut Hill, IL

Average wind speed in October - Walnut Hill, IL
  • Average wind speed in October: 8.3mph

The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in October
Walnut Hill, IL

Average humidity in October - Walnut Hill, IL
  • Average humidity in October: 71%

The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
Walnut Hill, IL

Average rainfall in October - Walnut Hill, IL
  • Average rainfall in October: 0.67"

The wettest months (with the highest rainfall) are April and July (0.75").
The driest month (with the least rainfall) is September (0.24").

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Average rainfall days in October
Walnut Hill, IL

Average rainfall days in October - Walnut Hill, IL
  • Average rainfall days in October: 5.8 days

The month with the highest number of rainy days is May (10.1 days).
The month with the least rainy days is January (3.7 days).

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Average snowfall in October
Walnut Hill, IL

Average snowfall in October - Walnut Hill, IL
  • Average snowfall in October: 0"

The month with the highest snowfall is January (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in October
Walnut Hill, IL

Average snowfall days in October - Walnut Hill, IL
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in October /
Average sunshine in October
Walnut Hill, IL

Average daylight in October / Average sunshine in October - Walnut Hill, 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 30min).

  • Average sunshine in October: 6h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in October
Walnut Hill, IL

Average sunshine days in October - Walnut Hill, IL
  • Average sunshine days in October: 23.5 days

The months with the most sunshine days are January and December (24.5 days).
The month with the least sunshine days is May (16.8 days).

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Average UV index in October
Walnut Hill, IL

Average UV index in October - Walnut Hill, 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, November and December (UV index 2).

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Average cloud cover in October
Walnut Hill, IL

Average cloud cover in October - Walnut Hill, IL
  • Average cloud cover in October: 34

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in October
Walnut Hill, IL

Average visibility in October - Walnut Hill, 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).

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Walnut Hill, Illinois, USA

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