January weather forecast
Grand Ridge, IL

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Weather in January

January, like December, is a freezing cold winter month in Grand Ridge, Illinois, with an average temperature varying between 17.8°F (-7.9°C) and 29.5°F (-1.4°C).

Temperature

With its high average temperature of 29.5°F (-1.4°C) and a low of 17.8°F (-7.9°C), January is regarded as the coldest month.

Humidity

In January, the average relative humidity is 82%.

Rainfall

In Grand Ridge, in January, it is raining for 5.5 days, with typically 1.38" (35mm) of accumulated precipitation. In Grand Ridge, during the entire year, the rain falls for 145 days and collects up to 25.08" (637mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Grand Ridge. In January, in Grand Ridge, it is snowing for 11.8 days. Throughout January, 2.87" (73mm) of snow is accumulated. Throughout the year, in Grand Ridge, there are 37.9 snowfall days, and 12.91" (328mm) of snow is accumulated.

Daylight

The average length of the day in January in Grand Ridge is 9h and 37min.
On the first day of January in Grand Ridge, Illinois, sunrise is at 7:20 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:09 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 3.8h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In January, the maximum UV index of 1 transforms into these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What is the coldest time of year in Grand Ridge?

Temperature readings reach their annual highs in January, averaging 29.5°F (-1.4°C) and a minimum average of 17.8°F (-7.9°C).

How cold is it in Grand Ridge in January?

In January, in Grand Ridge, the average high-temperature is 29.5°F (-1.4°C), and the average low-temperature is 17.8°F (-7.9°C).

What is the average humidity in January in Grand Ridge?

The average relative humidity in January is 82%.

How much does it rain in Grand Ridge in January?

In Grand Ridge, during January, the rain falls for 5.5 days and regularly aggregates up to 1.38" (35mm) of precipitation.

How many days does it snow in January in Grand Ridge?

In Grand Ridge, during January, snow falls for 11.8 days and regularly aggregates up to 2.87" (73mm) of snow.

How many hours of daylight does Grand Ridge have in January?

In Grand Ridge, the average day length in January is 9h and 37min.

What time are sunrise and sunset in January in Grand Ridge?

In January, on the first day of the month, sunrise is at 7:20 am and sunset at 4:36 pm. On the last day of the month, in Grand Ridge, sunrise is at 7:07 am and sunset at 5:09 pm CST.

What is the month with the least sunshine in Grand Ridge?

The month with the least sunshine in Grand Ridge is January, with an average of 3.8h of sunshine.

How long on average sun shines in January in Grand Ridge?

In Grand Ridge, the average sunshine duration in January is 3.8h.

What is the month with the lowest UV index in Grand Ridge?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Grand Ridge, Illinois.

What is the UV index reading in January in Grand Ridge?

The average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Grand Ridge, IL

Average temperature in January - Grand Ridge, IL
  • Average high temperature in January: 29.5°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in January: 17.8°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

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Average pressure in January
Grand Ridge, IL

Average pressure in January - Grand Ridge, IL
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Grand Ridge, IL

Average wind speed in January - Grand Ridge, IL
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in January
Grand Ridge, IL

Average humidity in January - Grand Ridge, IL
  • Average humidity in January: 82%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in January
Grand Ridge, IL

Average rainfall in January - Grand Ridge, IL
  • Average rainfall in January: 1.38"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (1.18").

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Average rainfall days in January
Grand Ridge, IL

Average rainfall days in January - Grand Ridge, IL
  • Average rainfall days in January: 5.5 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in January
Grand Ridge, IL

Average snowfall in January - Grand Ridge, IL
  • Average snowfall in January: 2.87"

The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Grand Ridge, IL

Average snowfall days in January - Grand Ridge, IL
  • Average snowfall days in January: 11.8 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Grand Ridge, IL

Average daylight in January / Average sunshine in January - Grand Ridge, IL
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in January
Grand Ridge, IL

Average sunshine days in January - Grand Ridge, IL
  • Average sunshine days in January: 14.7 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.2 days).

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Average UV index in January
Grand Ridge, IL

Average UV index in January - Grand Ridge, IL
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in January
Grand Ridge, IL

Average cloud cover in January - Grand Ridge, IL
  • Average cloud cover in January: 59

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).

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Average visibility in January
Grand Ridge, IL

Average visibility in January - Grand Ridge, IL
  • Average visibility in January: 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).

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Grand Ridge, Illinois, USA

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