January weather forecast
Glendale, IL

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Weather in January

January, like December, in Glendale, Illinois, is another cold winter month, with an average temperature fluctuating between 40.1°F (4.5°C) and 27°F (-2.8°C).

Temperature

January, known for its average high temperature of 40.1°F (4.5°C) and an average low temperature of 27°F (-2.8°C), is the coldest month.

Humidity

The average relative humidity in January is 76%.

Rainfall

In Glendale, in January, during 7.3 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, there are 118.3 rainfall days, and 13.03" (331mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Glendale, in January, during 3.3 snowfall days, 0.35" (9mm) of snow is typically accumulated. In Glendale, during the entire year, snow falls for 11 days and aggregates up to 1.57" (40mm) of snow.

Daylight

In January, the average length of the day is 9h and 56min.
On the first day of January, sunrise is at 7:09 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:17 pm CST.

Sunshine

January and February, with an average of 4.6h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: In January, a regular UV index of 2 translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

The coldest period tends to be January, when average temperatures fluctuate between a high of 40.1°F (4.5°C) and a low of 27°F (-2.8°C).

How cold is January?

The average high-temperature, in January, in Glendale, is 40.1°F (4.5°C), while the average low-temperature is 27°F (-2.8°C).

What is the average humidity in January?

In January, the average relative humidity is 76%.

How much does it rain in January?

In Glendale, during January, the rain falls for 7.3 days and regularly aggregates up to 0.75" (19mm) of precipitation.

How much does it snow in January?

In Glendale, in January, during 3.3 snowfall days, 0.35" (9mm) of snow is typically accumulated.

How many hours of daylight does Glendale have in January?

In Glendale, the average day length in January is 9h and 56min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:09 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:17 pm CST.

What are the months with the least sunshine?

January and February, with an average of 4.6h of sunshine, are months with the least sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 4.6h.

When is the lowest UV index?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in January?

In Glendale, the average daily maximum UV index in January is 2. 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
Glendale, IL

Average temperature in January - Glendale, IL
  • Average high temperature in January: 40.1°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in January: 27°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in January
Glendale, IL

Average pressure in January - Glendale, IL
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Glendale, IL

Average wind speed in January - Glendale, IL
  • Average wind speed in January: 9mph

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in January
Glendale, IL

Average humidity in January - Glendale, IL
  • Average humidity in January: 76%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Glendale, IL

Average rainfall in January - Glendale, IL
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in January
Glendale, IL

Average rainfall days in January - Glendale, IL
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).

Average snowfall in January
Glendale, IL

Average snowfall in January - Glendale, IL
  • Average snowfall in January: 0.35"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Glendale, IL

Average snowfall days in January - Glendale, IL
  • Average snowfall days in January: 3.3 days

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Glendale, IL

Average daylight in January / Average sunshine in January - Glendale, IL
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 4h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in January
Glendale, IL

Average sunshine days in January - Glendale, IL
  • Average sunshine days in January: 21.4 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).

Average UV index in January
Glendale, IL

Average UV index in January - Glendale, IL
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in January
Glendale, IL

Average cloud cover in January - Glendale, IL
  • Average cloud cover in January: 51

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in January
Glendale, IL

Average visibility in January - Glendale, 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).

Glendale, Illinois, USA

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