January weather forecast
Morton Grove, IL

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Weather in January

January, like December, is another subzero cold winter month in Morton Grove, Illinois, with an average temperature fluctuating between 19.8°F (-6.8°C) and 28.9°F (-1.7°C).

Temperature

Morton Grove, Illinois, experiences its lowest temperatures in January, with an average peak of 28.9°F (-1.7°C) and a low of 19.8°F (-6.8°C).

Humidity

The most humid month in Morton Grove is January, with an average relative humidity of 82%.

Rainfall

In January, the rain falls for 6.1 days. Throughout January, 1.26" (32mm) of precipitation is accumulated. Throughout the year, in Morton Grove, Illinois, there are 146.5 rainfall days, and 26.22" (666mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Morton Grove are January through April, October through December. January is the month with the most snowfall in Morton Grove. Snow falls for 11.7 days and accumulates 2.56" (65mm) of snow.

Daylight

The average length of the day in January is 9h and 32min.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:29 pm. On the last day of January, sunrise is at 7:05 am and sunset at 5:03 pm CST.

Sunshine

With an average of 3.6h of sunshine, January has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 1 in January converts into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What time of the year is the coldest in Morton Grove?

The coldest time of the year in Morton Grove, Illinois, is January, with temperatures averaging a high of 28.9°F (-1.7°C) and a low of 19.8°F (-6.8°C).

How cold is January in Morton Grove?

The average high-temperature, in January, in Morton Grove, is 28.9°F (-1.7°C), while the average low-temperature is 19.8°F (-6.8°C).

What is the most humid month in Morton Grove?

The most humid month is January, with an average relative humidity of 82%.

What is the average humidity in January in Morton Grove?

In January, the average relative humidity in Morton Grove, Illinois, is 82%.

How many days does it rain in January in Morton Grove?

In Morton Grove, Illinois, during January, the rain falls for 6.1 days and regularly aggregates up to 1.26" (32mm) of precipitation.

What is the snowiest month in Morton Grove?

The month with the most snowfall in Morton Grove is January, when snow falls for 11.7 days and typically aggregates up to 2.56" (65mm) of snow.

How many days does it snow in January in Morton Grove?

In January, it is snowing for 11.7 days. Throughout January, 2.56" (65mm) of snow is accumulated.

How many hours of daylight does Morton Grove have in January?

In Morton Grove, Illinois, the average day length in January is 9h and 32min.

When are sunrise and sunset in January in Morton Grove?

On the first day of January, sunrise is at 7:19 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:03 pm CST.

What is the month with the least sunshine in Morton Grove?

The month with the least sunshine in Morton Grove, Illinois, is January, with an average of 3.6h of sunshine.

How long on average sun shines in January in Morton Grove?

In Morton Grove, Illinois, the average sunshine duration in January is 3.6h.

When is the lowest UV index in Morton Grove?

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

What is the UV index intensity in January in Morton Grove?

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

Average temperature in January - Morton Grove, IL
  • Average high temperature in January: 28.9°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in January: 19.8°F

The months with the highest average low temperature are July and August (67.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in January
Morton Grove, IL

Average pressure in January - Morton Grove, IL
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Morton Grove, IL

Average wind speed in January - Morton Grove, IL
  • Average wind speed in January: 12.2mph

The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.7mph).

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Average humidity in January
Morton Grove, IL

Average humidity in January - Morton Grove, IL
  • Average humidity in January: 82%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in January
Morton Grove, IL

Average rainfall in January - Morton Grove, IL
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is December (0.94").

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Average rainfall days in January
Morton Grove, IL

Average rainfall days in January - Morton Grove, IL
  • Average rainfall days in January: 6.1 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (5.4 days).

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Average snowfall in January
Morton Grove, IL

Average snowfall in January - Morton Grove, IL
  • Average snowfall in January: 2.56"

The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Morton Grove, IL

Average snowfall days in January - Morton Grove, IL
  • Average snowfall days in January: 11.7 days

The month with the highest number of snowfall days is January (11.7 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
Morton Grove, IL

Average daylight in January / Average sunshine in January - Morton Grove, 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 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in January
Morton Grove, IL

Average sunshine days in January - Morton Grove, IL
  • Average sunshine days in January: 12.3 days

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in January
Morton Grove, IL

Average UV index in January - Morton Grove, IL
  • Average UV index in January: 1

The months with the highest UV index are June, July and 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
Morton Grove, IL

Average cloud cover in January - Morton Grove, IL
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in January
Morton Grove, IL

Average visibility in January - Morton Grove, 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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Morton Grove, Illinois, USA

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