January weather forecast
Gardner, IL

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Weather in January

January, the same as December, in Gardner, Illinois, is another subzero cold winter month, with temperature in the range of an average high of 29.8°F (-1.2°C) and an average low of 18°F (-7.8°C).

Temperature

January, with its high-temperature average of 29.8°F (-1.2°C) and a low-temperature average of 18°F (-7.8°C), is the coldest month.

Humidity

The average relative humidity in January in Gardner, Illinois, is 82%.

Rainfall

In January, the rain falls for 5.3 days. Throughout January, 1.06" (27mm) of precipitation is accumulated. Throughout the year, in Gardner, there are 140.4 rainfall days, and 21.5" (546mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Gardner, during January, snow falls for 11.5 days and regularly aggregates up to 1.89" (48mm) of snow. In Gardner, during the entire year, snow falls for 38.1 days and aggregates up to 9.13" (232mm) of snow.

Daylight

In Gardner, the average length of the day in January is 9h and 37min.
On the first day of January, sunrise is at 7:18 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:08 pm CST.

Sunshine

January has the least sunshine of the year in Gardner, with an average of 3.9h 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 reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 1 in January transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What is the coldest month in Gardner?

With average temperatures fluctuating between a high of 29.8°F (-1.2°C) and a low of 18°F (-7.8°C), January stands out as the coldest month in Gardner.

How cold is January in Gardner?

In January, the average high-temperature and low-temperature in Gardner are 29.8°F (-1.2°C) and 18°F (-7.8°C) respectively.

What is the average humidity in January in Gardner?

The average relative humidity in January in Gardner, Illinois, is 82%.

How many days does it rain in January in Gardner?

In January, in Gardner, Illinois, the rain falls for 5.3 days. Throughout January, 1.06" (27mm) of precipitation is accumulated.

How many days does it snow in January in Gardner?

In January, it is snowing for 11.5 days. Throughout January, 1.89" (48mm) of snow is accumulated.

How many hours of daylight does Gardner have in January?

The average day length in January is 9h and 37min.

When are sunrise and sunset in January in Gardner?

On the first day of January in Gardner, sunrise is at 7:18 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:08 pm CST.

What is the month with the least sunshine in Gardner?

January has the least sunshine of the year in Gardner, with an average of 3.9h of sunshine.

How long on average sun shines in January in Gardner?

In January, the average sunshine duration in Gardner, Illinois, is 3.9h.

What are the months with the lowest UV index in Gardner?

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

What is the UV index reading in January in Gardner?

The average daily maximum UV index in January in Gardner is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Gardner, IL

Average temperature in January - Gardner, IL
  • Average high temperature in January: 29.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in January: 18°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 (18°F).

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Average pressure in January
Gardner, IL

Average pressure in January - Gardner, IL
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Gardner, IL

Average wind speed in January - Gardner, IL
  • Average wind speed in January: 10.1mph

The windiest months (with the highest average wind speed) are January and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in January
Gardner, IL

Average humidity in January - Gardner, IL
  • Average humidity in January: 82%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in January
Gardner, IL

Average rainfall in January - Gardner, IL
  • Average rainfall in January: 1.06"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (0.98").

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Average rainfall days in January
Gardner, IL

Average rainfall days in January - Gardner, IL
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall in January
Gardner, IL

Average snowfall in January - Gardner, IL
  • Average snowfall in January: 1.89"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Gardner, IL

Average snowfall days in January - Gardner, IL
  • Average snowfall days in January: 11.5 days

The month with the highest number of snowfall days is January (11.5 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
Gardner, IL

Average daylight in January / Average sunshine in January - Gardner, 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 54min).

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Average sunshine days in January
Gardner, IL

Average sunshine days in January - Gardner, IL
  • Average sunshine days in January: 15.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (9.5 days).

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Average UV index in January
Gardner, IL

Average UV index in January - Gardner, 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
Gardner, IL

Average cloud cover in January - Gardner, 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 33).

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Average visibility in January
Gardner, IL

Average visibility in January - Gardner, 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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Gardner, Illinois, USA

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