January weather forecast
North Barrington, IL

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Weather in January

January, like December, is another subzero cold winter month in North Barrington, Illinois, with temperature in the range of an average high of 27.7°F (-2.4°C) and an average low of 16.3°F (-8.7°C).

Temperature

January stands out as North Barrington's coldest month, with an average high-temperature of 27.7°F (-2.4°C) and a low-temperature of 16.3°F (-8.7°C).

Humidity

January and February, with an average relative humidity of 83%, are the most humid months.

Rainfall

In North Barrington, in January, it is raining for 6.7 days, with typically 1.77" (45mm) of accumulated precipitation. In North Barrington, during the entire year, the rain falls for 163.1 days and collects up to 32.24" (819mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In North Barrington, in January, during 15.5 snowfall days, 6.14" (156mm) of snow is typically accumulated. In North Barrington, during the entire year, snow falls for 55.5 days and aggregates up to 22.95" (583mm) of snow.

Daylight

In North Barrington, 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 4:30 pm. On the last day of January, sunrise is at 7:06 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.

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 minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: In January, the average maximum UV index of 1 translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

What month is the coldest in North Barrington?

January, with average temperatures reaching a high of 27.7°F (-2.4°C) and a low of 16.3°F (-8.7°C), is the coldest month.

How cold is January?

In North Barrington, 27.7°F (-2.4°C) is the average high-temperature and 16.3°F (-8.7°C) is the average low-temperature during January.

What are the most humid months?

The months with the highest humidity are January and February, with an average relative humidity of 83%.

What is the average humidity in January?

In North Barrington, the average relative humidity in January is 83%.

How many days does it rain in January?

In North Barrington, in January, during 6.7 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

How much does it snow in January?

In January, it is snowing for 15.5 days. Throughout January, 6.14" (156mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 31min.

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

On the first day of January, sunrise is at 7:21 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:05 pm CST.

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

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

How long on average sun shines in January?

The average sunshine duration in January is 3.7h.

When is the lowest UV index?

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

How high is the UV index in January?

In North Barrington, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a low health threat 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
North Barrington, IL

Average temperature in January - North Barrington, IL
  • Average high temperature in January: 27.7°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in January: 16.3°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

Average pressure in January
North Barrington, IL

Average pressure in January - North Barrington, 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).

Average wind speed in January
North Barrington, IL

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

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in January
North Barrington, IL

Average humidity in January - North Barrington, IL
  • Average humidity in January: 83%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in January
North Barrington, IL

Average rainfall in January - North Barrington, IL
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is November (1.61").

Average rainfall days in January
North Barrington, IL

Average rainfall days in January - North Barrington, IL
  • Average rainfall days in January: 6.7 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in January
North Barrington, IL

Average snowfall in January - North Barrington, IL
  • Average snowfall in January: 6.14"

The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
North Barrington, IL

Average snowfall days in January - North Barrington, IL
  • Average snowfall days in January: 15.5 days

The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
North Barrington, IL

Average daylight in January / Average sunshine in January - North Barrington, 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 months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in January
North Barrington, IL

Average sunshine days in January - North Barrington, IL
  • Average sunshine days in January: 12.2 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in January
North Barrington, IL

Average UV index in January - North Barrington, IL
  • Average UV index in January: 1

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
North Barrington, IL

Average cloud cover in January - North Barrington, IL
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).

Average visibility in January
North Barrington, IL

Average visibility in January - North Barrington, 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).

North Barrington, Illinois, USA

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