January weather forecast
Barrington Hills, IL

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Weather in January

January, the same as December, in Barrington Hills, Illinois, is a freezing cold winter month, with an average temperature varying between 15.3°F (-9.3°C) and 27°F (-2.8°C).

Temperature

With average temperatures fluctuating between a high of 27°F (-2.8°C) and a low of 15.3°F (-9.3°C), January stands out as the coldest month.

Humidity

January is the most humid month in Barrington Hills, with an average relative humidity of 85%.

Rainfall

In January, the rain falls for 4.9 days. Throughout January, 0.79" (20mm) of precipitation is accumulated. Throughout the year, in Barrington Hills, there are 132.8 rainfall days, and 15.47" (393mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Barrington Hills. January is the month with the most snowfall in Barrington Hills. Snow falls for 12.2 days and accumulates 2.01" (51mm) of snow.

Daylight

In Barrington Hills, the average length of the day in January is 9h and 31min.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:06 am and sunset at 5:05 pm CST.

Sunshine

The month with the least sunshine in Barrington Hills is January, with an average of 3.7h of sunshine.

UV index

The months with the lowest UV index in Barrington Hills, Illinois, are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 1 in January interprets into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What is the coldest month in Barrington Hills?

The coldest temperatures in Barrington Hills occur during January, when averages reach a peak of 27°F (-2.8°C) and a low of 15.3°F (-9.3°C).

How cold is it in Barrington Hills in January?

January temperatures vary between a high-temperature of 27°F (-2.8°C) and a low-temperature of 15.3°F (-9.3°C).

What is the most humid month in Barrington Hills?

January is the most humid month in Barrington Hills, Illinois, with an average relative humidity of 85%.

What is the average humidity in January in Barrington Hills?

In January, the average relative humidity is 85%.

How many days does it rain in January in Barrington Hills?

In Barrington Hills, in January, it is raining for 4.9 days, with typically 0.79" (20mm) of accumulated precipitation.

When does it snow the most in Barrington Hills?

The month with the most snowfall in Barrington Hills is January, when snow falls for 12.2 days and typically aggregates up to 2.01" (51mm) of snow.

How much does it snow in Barrington Hills in January?

In Barrington Hills, in January, during 12.2 snowfall days, 2.01" (51mm) of snow is typically accumulated.

How many hours of daylight does Barrington Hills have in January?

In January, the average day length is 9h and 31min.

What time are sunrise and sunset in January in Barrington Hills?

In January, on the first day of the month, sunrise is at 7:21 am and sunset at 4:31 pm. On the last day of the month, in Barrington Hills, sunrise is at 7:06 am and sunset at 5:05 pm CST.

What is the month with the least sunshine in Barrington Hills?

The month with the least sunshine is January, with an average of 3.7h of sunshine.

How long on average sun shines in January in Barrington Hills?

In Barrington Hills, Illinois, the average sunshine duration in January is 3.7h.

What is the month with the lowest UV index in Barrington Hills?

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

How high is the UV index in January in Barrington Hills?

The average daily maximum UV index in January in Barrington Hills is 1. A UV Index estimate of 2, and below, represents 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
Barrington Hills, IL

Average temperature in January - Barrington Hills, IL
  • Average high temperature in January: 27°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in January: 15.3°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

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Average pressure in January
Barrington Hills, IL

Average pressure in January - Barrington Hills, 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
Barrington Hills, IL

Average wind speed in January - Barrington Hills, IL
  • Average wind speed in January: 9.9mph

The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in January
Barrington Hills, IL

Average humidity in January - Barrington Hills, IL
  • Average humidity in January: 85%

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

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Average rainfall in January
Barrington Hills, IL

Average rainfall in January - Barrington Hills, IL
  • Average rainfall in January: 0.79"

The wettest months (with the highest rainfall) are April and August (1.89").
The driest month (with the least rainfall) is December (0.67").

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Average rainfall days in January
Barrington Hills, IL

Average rainfall days in January - Barrington Hills, IL
  • Average rainfall days in January: 4.9 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (4.1 days).

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Average snowfall in January
Barrington Hills, IL

Average snowfall in January - Barrington Hills, IL
  • Average snowfall in January: 2.01"

The month with the highest snowfall is January (2.01").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Barrington Hills, IL

Average snowfall days in January - Barrington Hills, IL
  • Average snowfall days in January: 12.2 days

The month with the highest number of snowfall days is January (12.2 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
Barrington Hills, IL

Average daylight in January / Average sunshine in January - Barrington Hills, 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 12min).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is July (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
Barrington Hills, IL

Average sunshine days in January - Barrington Hills, IL
  • Average sunshine days in January: 16.2 days

The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index in January
Barrington Hills, IL

Average UV index in January - Barrington Hills, 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
Barrington Hills, IL

Average cloud cover in January - Barrington Hills, 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 July, August and September (Cloud cover 32).

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Average visibility in January
Barrington Hills, IL

Average visibility in January - Barrington Hills, IL
  • Average visibility in January: 5mi

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

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Barrington Hills, Illinois, USA

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