January weather forecast
Wonder Lake, IL

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Weather in January

January, like December, is a freezing cold winter month in Wonder Lake, Illinois, with an average temperature varying between 26.6°F (-3°C) and 14.9°F (-9.5°C).

Temperature

During the coldest month, January, temperatures average a high of 26.6°F (-3°C) and a low of 14.9°F (-9.5°C).

Humidity

The months with the highest humidity in Wonder Lake are January and February, with an average relative humidity of 85%.

Rainfall

In January, the rain falls for 5.6 days. Throughout January, 1.54" (39mm) of precipitation is accumulated. In Wonder Lake, during the entire year, the rain falls for 152.4 days and collects up to 28.07" (713mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is January, when snow falls for 13.3 days and typically aggregates up to 5.16" (131mm) of snow.

Daylight

In January, the average length of the day is 9h and 30min.
On the first day of January in Wonder Lake, Illinois, sunrise is at 7:22 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:05 pm CST.

Sunshine

With an average of 3.7h of sunshine, January has the least sunshine of the year in Wonder Lake.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 1 during January translates into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the coldest month in Wonder Lake?

January, characterized by an average high temperature of 26.6°F (-3°C) and a low temperature of 14.9°F (-9.5°C), is generally the coldest month in Wonder Lake, Illinois.

How cold is January in Wonder Lake?

In January, in Wonder Lake, the average high-temperature is 26.6°F (-3°C), and the average low-temperature is 14.9°F (-9.5°C).

What are the most humid months in Wonder Lake?

The months with the highest humidity in Wonder Lake, Illinois, are January and February, with an average relative humidity of 85%.

What is the average humidity in January in Wonder Lake?

In January, the average relative humidity is 85%.

How much does it rain in Wonder Lake in January?

In Wonder Lake, in January, it is raining for 5.6 days, with typically 1.54" (39mm) of accumulated precipitation.

When does it snow the most in Wonder Lake?

The month with the most snowfall in Wonder Lake, Illinois, is January, when snow falls for 13.3 days and typically aggregates up to 5.16" (131mm) of snow.

How much does it snow in Wonder Lake in January?

In Wonder Lake, during January, snow falls for 13.3 days and regularly aggregates up to 5.16" (131mm) of snow.

What is the average length of the day in January in Wonder Lake?

The average day length in January in Wonder Lake is 9h and 30min.

What time are sunrise and sunset in January in Wonder Lake?

On the first day of January in Wonder Lake, Illinois, sunrise is at 7:22 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:05 pm CST.

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

With an average of 3.7h of sunshine, January has the least sunshine of the year in Wonder Lake, Illinois.

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

In Wonder Lake, Illinois, the average sunshine duration in January is 3.7h.

When is the lowest UV index in Wonder Lake?

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

What is the UV index reading in January in Wonder Lake?

In January, the average daily maximum UV index in Wonder Lake is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
32.7°F 0.4°C
26.6°F -3°C
30.2°F -1°C
Average low temperature
22.8°F -5.1°C
14.9°F -9.5°C
18°F -7.8°C
Average pressure
30.09" 764mmHg
30.11" 765mmHg
30.1" 765mmHg
Average wind speed
9.3mph 15km/h
10mph 16.1km/h
9.9mph 15.9km/h
Average max. wind speed
10mph 16.1km/h
10.6mph 17.1km/h
10.6mph 17.1km/h
Average wind speed gusts
14.7mph 23.7km/h
15.7mph 25.3km/h
15.7mph 25.3km/h
Average humidity
82%
85%
85%
Average rainfall
1.34" 34mm
1.54" 39mm
1.46" 37mm
Average rainfall days
7.9
5.6
4.9
Average snowfall
2.6" 66mm
5.16" 131mm
3.5" 89mm
Average snowfall days
10.3
13.3
11.3
Average daylight
9h 1min
9h 3min
10h 4min
Average sunshine
4h 0min
3h 4min
3h 5min
Average sunshine days
15.9
13.7
12.1
Average UV index
1
1
2
Average cloud cover
60%
62%
59%
Average visibility
6mi 9.7km
5mi 8km
5mi 8km

Average temperature in January
Wonder Lake, IL

Average temperature in January - Wonder Lake, IL
  • Average high temperature in January: 26.6°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in January: 14.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

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Average pressure in January
Wonder Lake, IL

Average pressure in January - Wonder Lake, IL
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Wonder Lake, IL

Average wind speed in January - Wonder Lake, IL
  • Average wind speed in January: 10mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in January
Wonder Lake, IL

Average humidity in January - Wonder Lake, IL
  • Average humidity in January: 85%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in January
Wonder Lake, IL

Average rainfall in January - Wonder Lake, IL
  • Average rainfall in January: 1.54"

The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.34").

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Average rainfall days in January
Wonder Lake, IL

Average rainfall days in January - Wonder Lake, IL
  • Average rainfall days in January: 5.6 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in January
Wonder Lake, IL

Average snowfall in January - Wonder Lake, IL
  • Average snowfall in January: 5.16"

The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Wonder Lake, IL

Average snowfall days in January - Wonder Lake, IL
  • Average snowfall days in January: 13.3 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Wonder Lake, IL

Average daylight in January / Average sunshine in January - Wonder Lake, IL
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in January: 3h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in January
Wonder Lake, IL

Average sunshine days in January - Wonder Lake, IL
  • Average sunshine days in January: 13.7 days

The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (10.2 days).

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Average UV index in January
Wonder Lake, IL

Average UV index in January - Wonder Lake, IL
  • Average UV index in January: 1

The month with the highest UV index is August (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
Wonder Lake, IL

Average cloud cover in January - Wonder Lake, IL
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in January
Wonder Lake, IL

Average visibility in January - Wonder Lake, IL
  • Average visibility in January: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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Wonder Lake, Illinois, USA

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