October weather forecast
Leland Grove, IL

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Weather in October

October, like September, in Leland Grove, Illinois, is another enjoyable autumn month, with an average temperature varying between 48.2°F (9°C) and 64°F (17.8°C).

Temperature

The move into October indicates a reduction in the average high-temperature, down from September's moderately hot 77.4°F (25.2°C) to an enjoyable 64°F (17.8°C). An average low-temperature of 48.2°F (9°C) is anticipated throughout the nights in Leland Grove during October.

Humidity

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

Rainfall

In Leland Grove, during October, the rain falls for 10.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 140.2 rainfall days, and 23.27" (591mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in October is 11h and 8min.
On the first day of October, 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.

Sunshine

In October, the average sunshine is 6h.

UV index

In Leland Grove, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 3 in October leads to these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

What is the usual temperature for Leland Grove in October?

The average high-temperature, in October, in Leland Grove, is 64°F (17.8°C), while the average low-temperature is 48.2°F (9°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 87.8°F (31°C).

What is the least humid month?

The least humid month is October, with an average relative humidity of 70%.

What is the average humidity in October?

The average relative humidity in October in Leland Grove is 70%.

How much does it rain in Leland Grove in October?

In Leland Grove, during October, the rain falls for 10.3 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

Does it snow in October?

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

What is the average length of the day in October in Leland Grove?

In Leland Grove, the average day length in October is 11h and 8min.

When are sunrise and sunset in October?

In October, on the first day of the month, 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 October, the average sunshine duration is 6h.

How high is the UV index in October?

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health risk 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
Leland Grove, IL

Average temperature in October - Leland Grove, 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).

Average pressure in October
Leland Grove, IL

Average pressure in October - Leland Grove, 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).

Average wind speed in October
Leland Grove, IL

Average wind speed in October - Leland Grove, 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).

Average humidity in October
Leland Grove, IL

Average humidity in October - Leland Grove, 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%).

Average rainfall in October
Leland Grove, IL

Average rainfall in October - Leland Grove, 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").

Average rainfall days in October
Leland Grove, IL

Average rainfall days in October - Leland Grove, 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).

Average snowfall in October
Leland Grove, IL

Average snowfall in October - Leland Grove, 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").

Average snowfall days in October
Leland Grove, IL

Average snowfall days in October - Leland Grove, 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).

Average daylight in October /
Average sunshine in October
Leland Grove, IL

Average daylight in October / Average sunshine in October - Leland Grove, 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).

Average sunshine days in October
Leland Grove, IL

Average sunshine days in October - Leland Grove, 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).

Average UV index in October
Leland Grove, IL

Average UV index in October - Leland Grove, 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
Leland Grove, IL

Average cloud cover in October - Leland Grove, 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).

Average visibility in October
Leland Grove, IL

Average visibility in October - Leland Grove, 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).

Leland Grove, Illinois, USA

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