January weather forecast
Wolf Lake, IL

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Weather in January

January, like December, in Wolf Lake, Illinois, is a wintry winter month, with an average temperature varying between 39.7°F (4.3°C) and 26.8°F (-2.9°C).

Temperature

With an average high-temperature of 39.7°F (4.3°C) and an average low-temperature of 26.8°F (-2.9°C), January is the coldest month.

Humidity

In January, the average relative humidity in Wolf Lake is 76%.

Rainfall

In Wolf Lake, in January, it is raining for 8.4 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, in Wolf Lake, there are 143 rainfall days, and 27.44" (697mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Wolf Lake, Illinois, are January through April, October through December. In Wolf Lake, in January, snow falls for 4.6 days, with typically accumulated 1.22" (31mm) of snow. In Wolf Lake, during the entire year, snow falls for 14.9 days and aggregates up to 6.06" (154mm) of snow.

Daylight

In Wolf Lake, the average length of the day in January is 9h and 55min.
On the first day of January, sunrise is at 7:12 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:20 pm CST.

Sunshine

January and February, with an average of 4.6h of sunshine, are months with the least sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Wolf Lake. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 suggests these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What are the coldest months in Wolf Lake?

January, with average temperatures reaching a high of 39.7°F (4.3°C) and a low of 26.8°F (-2.9°C), is the coldest month.

How cold is January in Wolf Lake?

The high-temperature, in January, in Wolf Lake, is 39.7°F (4.3°C), while the low-temperature averages to 26.8°F (-2.9°C).

What is the average humidity in January in Wolf Lake?

The average relative humidity in January in Wolf Lake is 76%.

How many days does it rain in January in Wolf Lake?

In Wolf Lake, in January, it is raining for 8.4 days, with typically 1.57" (40mm) of accumulated precipitation.

How much does it snow in Wolf Lake in January?

In Wolf Lake, Illinois, during January, snow falls for 4.6 days and regularly aggregates up to 1.22" (31mm) of snow.

How many hours of daylight does Wolf Lake have in January?

The average day length in January in Wolf Lake is 9h and 55min.

When is the sunrise / sunset in January in Wolf Lake?

In January, on the first day of the month, sunrise is at 7:12 am and sunset at 4:50 pm. On the last day of the month, in Wolf Lake, Illinois, sunrise is at 7:02 am and sunset at 5:20 pm CST.

What is the month with the least sunshine in Wolf Lake?

January and February, with an average of 4.6h of sunshine, are months with the least sunshine in Wolf Lake, Illinois.

How long on average sun shines in January in Wolf Lake?

The average sunshine duration in January in Wolf Lake is 4.6h.

When is the lowest UV index in Wolf Lake?

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

How high is the UV index in January in Wolf Lake?

In January, the average daily maximum UV index in Wolf Lake is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Wolf Lake, IL

Average temperature in January - Wolf Lake, IL
  • Average high temperature in January: 39.7°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in January: 26.8°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in January
Wolf Lake, IL

Average pressure in January - Wolf Lake, IL
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Wolf Lake, IL

Average wind speed in January - Wolf Lake, IL
  • Average wind speed in January: 9mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in January
Wolf Lake, IL

Average humidity in January - Wolf Lake, IL
  • Average humidity in January: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
Wolf Lake, IL

Average rainfall in January - Wolf Lake, IL
  • Average rainfall in January: 1.57"

The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in January
Wolf Lake, IL

Average rainfall days in January - Wolf Lake, IL
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in January
Wolf Lake, IL

Average snowfall in January - Wolf Lake, IL
  • Average snowfall in January: 1.22"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Wolf Lake, IL

Average snowfall days in January - Wolf Lake, IL
  • Average snowfall days in January: 4.6 days

The month with the highest number of snowfall days is January (4.6 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
Wolf Lake, IL

Average daylight in January / Average sunshine in January - Wolf Lake, IL
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in January
Wolf Lake, IL

Average sunshine days in January - Wolf Lake, IL
  • Average sunshine days in January: 18.6 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in January
Wolf Lake, IL

Average UV index in January - Wolf Lake, 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, February and December (UV index 2).

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Average cloud cover in January
Wolf Lake, IL

Average cloud cover in January - Wolf Lake, IL
  • Average cloud cover in January: 50

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

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Average visibility in January
Wolf Lake, IL

Average visibility in January - Wolf Lake, 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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Wolf Lake, Illinois, USA

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