January weather forecast
Shady Grove, IL

Weather in January

January, like December, in Shady Grove, Illinois, is another cold winter month, with an average temperature fluctuating between 41.5°F (5.3°C) and 28.6°F (-1.9°C).

Temperature

The coldest month is January, with an average high-temperature of 41.5°F (5.3°C) and an average low-temperature of 28.6°F (-1.9°C).

Humidity

In January, the average relative humidity is 76%.

Rainfall

In Shady Grove, Illinois, in January, during 7.8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, in Shady Grove, there are 126.4 rainfall days, and 16.89" (429mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Shady Grove. In January, in Shady Grove, it is snowing for 2.5 days. Throughout January, 0.28" (7mm) of snow is accumulated. In Shady Grove, during the entire year, snow falls for 8.9 days and aggregates up to 1.65" (42mm) of snow.

Daylight

The average length of the day in January is 9h and 58min.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:47 pm. On the last day of January, sunrise is at 6:57 am and sunset at 5:17 pm CST.

Sunshine

In January, the average sunshine is 4.7h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Shady Grove?

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

What is the temperature in January in Shady Grove?

In Shady Grove, Illinois, in January, the average high-temperature is 41.5°F (5.3°C), and the average low-temperature is 28.6°F (-1.9°C).

What is the average humidity in January in Shady Grove?

The average relative humidity in January in Shady Grove is 76%.

How many days does it rain in January in Shady Grove?

In Shady Grove, Illinois, in January, it is raining for 7.8 days, with typically 0.87" (22mm) of accumulated precipitation.

How much does it snow in Shady Grove in January?

In Shady Grove, in January, during 2.5 snowfall days, 0.28" (7mm) of snow is typically accumulated.

What is the average length of the day in January in Shady Grove?

In Shady Grove, the average day length in January is 9h and 58min.

What time are sunrise and sunset in January in Shady Grove?

On the first day of January in Shady Grove, sunrise is at 7:07 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:17 pm CST.

How many hours of sunshine does Shady Grove have in January?

In January, the average sunshine duration in Shady Grove, Illinois, is 4.7h.

What is the month with 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 in Shady Grove.

What is the UV index reading in January in Shady Grove?

In Shady Grove, Illinois, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Shady Grove, IL

Average temperature in January - Shady Grove, IL
  • Average high temperature in January: 41.5°F

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).

  • Average low temperature in January: 28.6°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 in January
Shady Grove, IL

Average pressure in January - Shady Grove, IL
  • Average pressure in January: 30.17"Hg

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 in January
Shady Grove, IL

Average wind speed in January - Shady Grove, IL
  • Average wind speed in January: 8.9mph

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 in January
Shady Grove, IL

Average humidity in January - Shady Grove, IL
  • Average humidity in January: 76%

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 in January
Shady Grove, IL

Average rainfall in January - Shady Grove, IL
  • Average rainfall in January: 0.87"

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 in January
Shady Grove, IL

Average rainfall days in January - Shady Grove, IL
  • Average rainfall days in January: 7.8 days

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 in January
Shady Grove, IL

Average snowfall in January - Shady Grove, IL
  • Average snowfall in January: 0.28"

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 in January
Shady Grove, IL

Average snowfall days in January - Shady Grove, IL
  • Average snowfall days in January: 2.5 days

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 in January /
Average sunshine in January
Shady Grove, IL

Average daylight in January / Average sunshine in January - Shady Grove, IL
  • Average daylight in January: 9h and 58min

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).

  • Average sunshine in January: 4h and 42min

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 in January
Shady Grove, IL

Average sunshine days in January - Shady Grove, IL
  • Average sunshine days in January: 20.3 days

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 in January
Shady Grove, IL

Average UV index in January - Shady Grove, IL
  • Average UV index in January: 2

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 cloud cover in January
Shady Grove, IL

Average cloud cover in January - Shady Grove, IL
  • Average cloud cover in January: 50

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

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Average visibility in January
Shady Grove, IL

Average visibility in January - Shady Grove, IL
  • Average visibility in January: 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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