January weather forecast
West Brooklyn, IL

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Weather in January

January, like December, is another subzero cold winter month in West Brooklyn, Illinois, with temperature in the range of an average low of 15.1°F (-9.4°C) and an average high of 27.5°F (-2.5°C).

Temperature

January stands out as West Brooklyn's coldest month, with an average high-temperature of 27.5°F (-2.5°C) and a low-temperature of 15.1°F (-9.4°C).

Humidity

The months with the highest humidity in West Brooklyn are January and July, with an average relative humidity of 85%.

Rainfall

In West Brooklyn, during January, the rain falls for 4.3 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 129.4 rainfall days, and 16.65" (423mm) of precipitation is accumulated.

Snowfall

Months with snowfall in West Brooklyn are January through April, October through December. The month with the most snowfall is January, when snow falls for 10.4 days and typically aggregates up to 2.32" (59mm) of snow.

Daylight

The average length of the day in January is 9h and 34min.
On the first day of the month, sunrise is at 7:23 am and sunset at 4:36 pm. On the last day of January, in West Brooklyn, sunrise is at 7:09 am and sunset at 5:10 pm CST.

Sunshine

January has the least sunshine of the year in West Brooklyn, Illinois, with an average of 3.8h of sunshine.

UV index

The months with the lowest UV index in West Brooklyn are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In January, an average UV index of 1 transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What time of the year is the coldest in West Brooklyn?

January is the month when West Brooklyn experiences its coldest temperatures, averaging a high of 27.5°F (-2.5°C) and a low of 15.1°F (-9.4°C).

How cold is it in West Brooklyn in January?

January temperatures in West Brooklyn, Illinois, vary between a high-temperature of 27.5°F (-2.5°C) and a low-temperature of 15.1°F (-9.4°C).

What is the most humid month in West Brooklyn?

January and July, with an average relative humidity of 85%, are most humid months in West Brooklyn.

What is the average humidity in January in West Brooklyn?

In West Brooklyn, the average relative humidity in January is 85%.

How many days does it rain in January in West Brooklyn?

In West Brooklyn, in January, during 4.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

What is the snowiest month in West Brooklyn?

The month with the most snowfall in West Brooklyn, Illinois, is January, when snow falls for 10.4 days and typically aggregates up to 2.32" (59mm) of snow.

How many days does it snow in January in West Brooklyn?

In January, in West Brooklyn, Illinois, it is snowing for 10.4 days. Throughout January, 2.32" (59mm) of snow is accumulated.

What is the average length of the day in January in West Brooklyn?

In West Brooklyn, Illinois, the average day length in January is 9h and 34min.

What time are sunrise and sunset in January in West Brooklyn?

In January, on the first day of the month, sunrise is at 7:23 am and sunset at 4:36 pm. On the last day of the month, in West Brooklyn, sunrise is at 7:09 am and sunset at 5:10 pm CST.

What is the month with the least sunshine in West Brooklyn?

The month with the least sunshine in West Brooklyn, Illinois, is January, with an average of 3.8h of sunshine.

How long on average sun shines in January in West Brooklyn?

The average sunshine duration in January in West Brooklyn, Illinois, is 3.8h.

When is the lowest UV index in West Brooklyn?

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

What is the UV index reading in January in West Brooklyn?

The average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a low health threat 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
West Brooklyn, IL

Average temperature in January - West Brooklyn, IL
  • Average high temperature in January: 27.5°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in January: 15.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

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Average pressure in January
West Brooklyn, IL

Average pressure in January - West Brooklyn, 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 (29.91"Hg).

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Average wind speed in January
West Brooklyn, IL

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

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in January
West Brooklyn, IL

Average humidity in January - West Brooklyn, IL
  • Average humidity in January: 85%

The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in January
West Brooklyn, IL

Average rainfall in January - West Brooklyn, IL
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in January
West Brooklyn, IL

Average rainfall days in January - West Brooklyn, IL
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in January
West Brooklyn, IL

Average snowfall in January - West Brooklyn, IL
  • Average snowfall in January: 2.32"

The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
West Brooklyn, IL

Average snowfall days in January - West Brooklyn, IL
  • Average snowfall days in January: 10.4 days

The month with the highest number of snowfall days is January (10.4 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
West Brooklyn, IL

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

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 12min).

  • Average sunshine in January: 3h and 5min

The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in January
West Brooklyn, IL

Average sunshine days in January - West Brooklyn, IL
  • Average sunshine days in January: 17.4 days

The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.1 days).

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Average UV index in January
West Brooklyn, IL

Average UV index in January - West Brooklyn, IL
  • Average UV index in January: 1

The month with the highest UV index is 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
West Brooklyn, IL

Average cloud cover in January - West Brooklyn, IL
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 31).

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Average visibility in January
West Brooklyn, IL

Average visibility in January - West Brooklyn, IL
  • Average visibility in January: 5mi

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

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West Brooklyn, Illinois, USA

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