January weather forecast
Poplar Grove, IL

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Weather in January

January, the same as December, in Poplar Grove, Illinois, is another subzero cold winter month, with temperature in the range of an average low of 13.6°F (-10.2°C) and an average high of 25.9°F (-3.4°C).

Temperature

In Poplar Grove, the lowest average temperatures are observed in January, with a high of 25.9°F (-3.4°C) and a low of 13.6°F (-10.2°C).

Humidity

The most humid month in Poplar Grove is January, with an average relative humidity of 86%.

Rainfall

In Poplar Grove, during January, the rain falls for 5.7 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Poplar Grove, during the entire year, the rain falls for 154 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

Months with snowfall in Poplar Grove are January through April, October through December. January is the month with the most snowfall in Poplar Grove. Snow falls for 12.6 days and accumulates 5.35" (136mm) of snow.

Daylight

In Poplar Grove, the average length of the day in January is 9h and 30min.
On the first day of January in Poplar Grove, sunrise is at 7:24 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:07 pm CST.

Sunshine

With an average of 3.7h of sunshine, January has the least sunshine of the year.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 1 in January translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Poplar Grove?

With an average high-temperature of 25.9°F (-3.4°C) and an average low-temperature of 13.6°F (-10.2°C), January is the coldest month.

How cold is January in Poplar Grove?

In January, the average high-temperature and low-temperature in Poplar Grove, Illinois, are 25.9°F (-3.4°C) and 13.6°F (-10.2°C) respectively.

What is the most humid month in Poplar Grove?

January is the most humid month in Poplar Grove, with an average relative humidity of 86%.

What is the average humidity in January in Poplar Grove?

In January, the average relative humidity in Poplar Grove, Illinois, is 86%.

How much does it rain in Poplar Grove in January?

In Poplar Grove, Illinois, during January, the rain falls for 5.7 days and regularly aggregates up to 1.61" (41mm) of precipitation.

What is the snowiest month in Poplar Grove?

The month with the most snowfall in Poplar Grove is January, when snow falls for 12.6 days and typically aggregates up to 5.35" (136mm) of snow.

How much does it snow in Poplar Grove in January?

In Poplar Grove, in January, snow falls for 12.6 days, with typically accumulated 5.35" (136mm) of snow.

What is the average length of the day in January in Poplar Grove?

In Poplar Grove, Illinois, the average day length in January is 9h and 30min.

When are sunrise and sunset in January in Poplar Grove?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:33 pm. On the last day of the month, in Poplar Grove, Illinois, sunrise is at 7:09 am and sunset at 5:07 pm CST.

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

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

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

The average sunshine duration in January is 3.7h.

When is the lowest UV index in Poplar Grove?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Poplar Grove.

How high is the UV index in January in Poplar Grove?

In January, the average daily maximum UV index in Poplar Grove is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Poplar Grove, IL

Average temperature in January - Poplar Grove, IL
  • Average high temperature in January: 25.9°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in January: 13.6°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in January
Poplar Grove, IL

Average pressure in January - Poplar Grove, 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
Poplar Grove, IL

Average wind speed in January - Poplar Grove, IL
  • Average wind speed in January: 9.7mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in January
Poplar Grove, IL

Average humidity in January - Poplar Grove, IL
  • Average humidity in January: 86%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).

Average rainfall in January
Poplar Grove, IL

Average rainfall in January - Poplar Grove, IL
  • Average rainfall in January: 1.61"

The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is February (1.46").

Average rainfall days in January
Poplar Grove, IL

Average rainfall days in January - Poplar Grove, IL
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in January
Poplar Grove, IL

Average snowfall in January - Poplar Grove, IL
  • Average snowfall in January: 5.35"

The month with the highest snowfall is January (5.35").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Poplar Grove, IL

Average snowfall days in January - Poplar Grove, IL
  • Average snowfall days in January: 12.6 days

The month with the highest number of snowfall days is January (12.6 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
Poplar Grove, IL

Average daylight in January / Average sunshine in January - Poplar 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 6min).

  • Average sunshine in January: 3h and 4min

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

Average sunshine days in January
Poplar Grove, IL

Average sunshine days in January - Poplar Grove, IL
  • Average sunshine days in January: 14 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.2 days).

Average UV index in January
Poplar Grove, IL

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

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in January
Poplar Grove, IL

Average cloud cover in January - Poplar Grove, IL
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 34).

Average visibility in January
Poplar Grove, IL

Average visibility in January - Poplar Grove, IL
  • Average visibility in January: 5mi

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

Poplar Grove, Illinois, USA

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