January weather forecast
Prairie Grove, IL

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Weather in January

January, the same as December, in Prairie Grove, Illinois, is another subzero cold winter month, with temperature in the range of an average high of 27°F (-2.8°C) and an average low of 15.1°F (-9.4°C).

Temperature

During the coldest month, January, temperatures average a high of 27°F (-2.8°C) and a low of 15.1°F (-9.4°C).

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 85%.

Rainfall

In Prairie Grove, in January, it is raining for 5.5 days, with typically 1.1" (28mm) of accumulated precipitation. In Prairie Grove, during the entire year, the rain falls for 146.9 days and collects up to 21.22" (539mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 12.5 days and accumulates 3.31" (84mm) of snow.

Daylight

In January, the average length of the day is 9h and 31min.
On the first day of January, sunrise is at 7:21 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:05 pm CST.

Sunshine

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

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the maximum UV index of 1 transforms into these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Stay sun-safe with clothing that is both closely woven and worn loosely. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.

Frequently asked questions

What time of the year is the coldest?

January is the month when Prairie Grove sees the average lowest temperatures, with a high of 27°F (-2.8°C) and a low of 15.1°F (-9.4°C).

How cold is it in January?

The high-temperature, in January, in Prairie Grove, is 27°F (-2.8°C), while the low-temperature averages to 15.1°F (-9.4°C).

What is the most humid month?

The months with the highest humidity are January and February, with an average relative humidity of 85%.

What is the average humidity in January?

The average relative humidity in January is 85%.

How many days does it rain in January?

In Prairie Grove, in January, it is raining for 5.5 days, with typically 1.1" (28mm) of accumulated precipitation.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 12.5 days and typically aggregates up to 3.31" (84mm) of snow.

How much does it snow in January?

In January, in Prairie Grove, it is snowing for 12.5 days. Throughout January, 3.31" (84mm) of snow is accumulated.

What is the average length of the day in January?

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

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:21 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:05 pm CST.

What is the month with the least sunshine?

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

How long on average sun shines in January?

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

Average temperature in January - Prairie Grove, IL
  • Average high temperature in January: 27°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in January: 15.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in January
Prairie Grove, IL

Average pressure in January - Prairie 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
Prairie Grove, IL

Average wind speed in January - Prairie Grove, 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 (6.2mph).

Average humidity in January
Prairie Grove, IL

Average humidity in January - Prairie Grove, IL
  • Average humidity in January: 85%

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

Average rainfall in January
Prairie Grove, IL

Average rainfall in January - Prairie Grove, IL
  • Average rainfall in January: 1.1"

The wettest month (with the highest rainfall) is June (2.8").
The driest months (with the least rainfall) are November and December (0.94").

Average rainfall days in January
Prairie Grove, IL

Average rainfall days in January - Prairie Grove, IL
  • Average rainfall days in January: 5.5 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (4.8 days).

Average snowfall in January
Prairie Grove, IL

Average snowfall in January - Prairie Grove, IL
  • Average snowfall in January: 3.31"

The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Prairie Grove, IL

Average snowfall days in January - Prairie Grove, IL
  • Average snowfall days in January: 12.5 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Prairie Grove, IL

Average daylight in January / Average sunshine in January - Prairie 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 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).

Average sunshine days in January
Prairie Grove, IL

Average sunshine days in January - Prairie Grove, IL
  • Average sunshine days in January: 14.4 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (10 days).

Average UV index in January
Prairie Grove, IL

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

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

Average cloud cover in January
Prairie Grove, IL

Average cloud cover in January - Prairie Grove, 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 and September (Cloud cover 32).

Average visibility in January
Prairie Grove, IL

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

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

Prairie Grove, Illinois, USA

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