Climate and monthly weather forecast
Shady Grove, IL

Weather in January

January, like December, in Shady Grove, Illinois, is a wintry winter month, with an average temperature varying between 41.5°F (5.3°C) and 28.6°F (-1.9°C). With an average high-temperature of 41.5°F (5.3°C) and an average low-temperature of 28.6°F (-1.9°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Shady Grove, is a frosty month, with temperature in the range of an average high of 46.6°F (8.1°C) and an average low of 32.4°F (0.2°C). In Shady Grove, the average high-temperature in February is relatively the same as in January - a chilly 46.6°F (8.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a mild month in Shady Grove, Illinois, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 40.5°F (4.7°C). In March, the average high-temperature rises from a frosty 46.6°F (8.1°C) in February to a moderate 56.8°F (13.8°C). Weather in March »

Weather in April

April is an enjoyable spring month in Shady Grove, Illinois, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 49.6°F (9.8°C). In Shady Grove, the average high-temperature in April increases from a moderate 56.8°F (13.8°C) in March to an enjoyable 67.8°F (19.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Shady Grove, Illinois, with an average temperature varying between 59°F (15°C) and 76.6°F (24.8°C). In May, the average high-temperature marginally rises from a comfortable 67.8°F (19.9°C) in April to a warm 76.6°F (24.8°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Shady Grove, Illinois, with temperature in the range of an average low of 66.4°F (19.1°C) and an average high of 85.8°F (29.9°C). In June, the average high-temperature increases from a moderately hot 76.6°F (24.8°C) in May to a still warm 85.8°F (29.9°C). Weather in June »

Weather in July

July in Shady Grove, Illinois, is a tropical summer month, with an average temperature fluctuating between 69.4°F (20.8°C) and 88.7°F (31.5°C). With an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 69.4°F (20.8°C), July is the warmest month. The average heat index in July is calculated to be a blistering 105.8°F (41°C). Weather in July »

Weather in August

August, the last month of the summer in Shady Grove, is another hot month, with an average temperature ranging between min 67.6°F (19.8°C) and max 87.3°F (30.7°C). In August, the average high-temperature is essentially the same as in July - a still tropical 87.3°F (30.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Shady Grove, Illinois, with an average temperature ranging between max 81.7°F (27.6°C) and min 61.9°F (16.6°C). In Shady Grove, the average high-temperature in September slightly decreases from a hot 87.3°F (30.7°C) in August to a moderately hot 81.7°F (27.6°C). Weather in September »

Weather in October

October, the same as September, in Shady Grove, Illinois, is another pleasant autumn month, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 51.1°F (10.6°C). In Shady Grove, the average high-temperature in October decreases from a moderately hot 81.7°F (27.6°C) in September to an agreeable 69.3°F (20.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is another mild month in Shady Grove, Illinois, with an average temperature ranging between max 55.6°F (13.1°C) and min 40.1°F (4.5°C). In November, the average high-temperature decreases from a pleasant 69.3°F (20.7°C) in October to a moderate 55.6°F (13.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Shady Grove, Illinois, with an average temperature fluctuating between 46.2°F (7.9°C) and 34.2°F (1.2°C). In Shady Grove, the average high-temperature in December drops from a moderate 55.6°F (13.1°C) in November to a frosty 46.2°F (7.9°C). Weather in December »
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FAQ

What is the coldest month in Shady Grove?

With an average high-temperature of 41.5°F (5.3°C) and an average low-temperature of 28.6°F (-1.9°C), January is the coldest month in Shady Grove.

How many days does it rain in Shady Grove?

Throughout the year, in Shady Grove, there are 126.4 rainfall days, and 16.89" (429mm) of precipitation is accumulated.

When does it snow in Shady Grove?

Months with snowfall in Shady Grove are January through March, November and December.

How many days does it snow in Shady Grove?

In Shady Grove, during the entire year, snow falls for 8.9 days and aggregates up to 1.65" (42mm) of snow.

When is the lowest UV index in Shady Grove?

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the snowiest month in Shady Grove?

The month with the most snowfall in Shady Grove is February, when snow falls for 3.3 days and typically aggregates up to 0.71" (18mm) of snow.

What is the month with the least sunshine in Shady Grove?

February has the least sunshine of the year, with an average of 4.6h of sunshine.

What is the most humid month in Shady Grove?

The months with the highest humidity in Shady Grove, Illinois, are March and May, with an average relative humidity of 79%.

When is Daylight Saving Time (DST) in Shady Grove?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Shady Grove, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow in Shady Grove?

April through October are months without snowfall in Shady Grove.

What is the wettest month in Shady Grove?

The month with the most rainfall is May, when the rain falls for 14.7 days and typically aggregates up to 1.93" (49mm) of precipitation.

What is the month with the highest UV index in Shady Grove?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Shady Grove.

When are the longest days in Shady Grove?

With an average of 14h and 40min of daylight, June has the longest days of the year in Shady Grove.

What are the months with the most sunshine in Shady Grove?

June and July, with an average of 10.5h of sunshine, are months with the most sunshine.

What is the warmest month in Shady Grove?

July is the warmest month in Shady Grove, with an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 69.4°F (20.8°C).

What is the driest month in Shady Grove?

The month with the least rainfall is September, when the rain falls for 8.6 days and typically collects 0.63" (16mm) of precipitation.

What is the least humid month in Shady Grove?

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

What is the month with the shortest days in Shady Grove?

The month with the shortest days is December, with an average of 9h and 40min of daylight.

Average temperature
Shady Grove, IL

Average temperature - Shady Grove, IL

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

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Average pressure
Shady Grove, IL

Average pressure - Shady Grove, IL

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed
Shady Grove, IL

Average wind speed - Shady Grove, IL

The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity
Shady Grove, IL

Average humidity - Shady Grove, IL

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall
Shady Grove, IL

Average rainfall - Shady Grove, IL

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is September (0.63").

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Average rainfall days
Shady Grove, IL

Average rainfall days - Shady Grove, IL

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is October (7.6 days).

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Average snowfall
Shady Grove, IL

Average snowfall - Shady Grove, IL

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Shady Grove, IL

Average snowfall days - Shady Grove, IL

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Shady Grove, IL

Average daylight / Average sunshine - Shady Grove, IL

The month with the longest days is June (Average daylight: 14h and 40min).
The month with the shortest days is December (Average daylight: 9h and 40min).

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
Shady Grove, IL

Average sunshine days - Shady Grove, IL

The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (14.2 days).

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Average UV index
Shady Grove, IL

Average UV index - Shady Grove, IL

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 and December (UV index 2).

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Average visibility
Shady Grove, IL

Average visibility - Shady Grove, IL

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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