January weather forecast
Plainfield, WI

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Weather in January

January, like December, is a freezing cold winter month in Plainfield, Wisconsin, with an average temperature varying between 10.4°F (-12°C) and 21.7°F (-5.7°C).

Temperature

The month of January, characterized by an average high of 21.7°F (-5.7°C) and a low of 10.4°F (-12°C), is recognized as the coldest.

Humidity

January and February, with an average relative humidity of 89%, are the most humid months.

Rainfall

The months with the least rainfall in Plainfield are January and February Rain falls for 4.3 days and accumulates 1.22" (31mm) of rain.

Snowfall

Months with snowfall in Plainfield are January through May, October through December. The month with the most snowfall in Plainfield is January, when snow falls for 13.3 days and typically aggregates up to 5.87" (149mm) of snow.

Daylight

In January, the average length of the day is 9h and 19min.
On the first day of January in Plainfield, Wisconsin, sunrise is at 7:33 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:05 pm CST.

Sunshine

January has the least sunshine of the year in Plainfield, Wisconsin, with an average of 3.4h of sunshine.

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 vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In January, an average UV index of 1 transforms into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the coldest month in Plainfield?

January, with an average high of 21.7°F (-5.7°C) and a low of 10.4°F (-12°C), signifies the coldest month of the year in Plainfield, Wisconsin.

How cold is it in Plainfield in January?

January temperatures vary between a high-temperature of 21.7°F (-5.7°C) and a low-temperature of 10.4°F (-12°C).

What are the most humid months in Plainfield?

January and February, with an average relative humidity of 89%, are most humid months in Plainfield, Wisconsin.

What is the average humidity in January in Plainfield?

In Plainfield, Wisconsin, the average relative humidity in January is 89%.

What is the driest month in Plainfield?

January and February are months with the least rain when the rain falls for 4.3 days and typically aggregates up to 1.22" (31mm) of rain.

How many days does it rain in January in Plainfield?

In Plainfield, Wisconsin, in January, it is raining for 4.3 days, with typically 1.22" (31mm) of accumulated precipitation.

What is the snowiest month in Plainfield?

The month with the most snowfall in Plainfield, Wisconsin, is January, when snow falls for 13.3 days and typically aggregates up to 5.87" (149mm) of snow.

How many days does it snow in January in Plainfield?

In Plainfield, during January, snow falls for 13.3 days and regularly aggregates up to 5.87" (149mm) of snow.

What is the average length of the day in January in Plainfield?

In January, the average day length in Plainfield, Wisconsin, is 9h and 19min.

When is the sunrise / sunset in January in Plainfield?

On the first day of January, sunrise is at 7:33 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:05 pm CST.

What is the month with the least sunshine in Plainfield?

With an average of 3.4h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in Plainfield?

The average sunshine duration in January in Plainfield is 3.4h.

What are the months with the lowest UV index in Plainfield?

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

What is the UV index intensity in January in Plainfield?

In Plainfield, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Plainfield, WI

Average temperature in January - Plainfield, WI
  • Average high temperature in January: 21.7°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (21.7°F).

  • Average low temperature in January: 10.4°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).

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Average pressure in January
Plainfield, WI

Average pressure in January - Plainfield, WI
  • Average pressure in January: 30.1"Hg

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Plainfield, WI

Average wind speed in January - Plainfield, WI
  • 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 (6.9mph).

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Average humidity in January
Plainfield, WI

Average humidity in January - Plainfield, WI
  • Average humidity in January: 89%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in January
Plainfield, WI

Average rainfall in January - Plainfield, WI
  • Average rainfall in January: 1.22"

The wettest month (with the highest rainfall) is May (3.43").
The driest months (with the least rainfall) are January and February (1.22").

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Average rainfall days in January
Plainfield, WI

Average rainfall days in January - Plainfield, WI
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (4 days).

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Average snowfall in January
Plainfield, WI

Average snowfall in January - Plainfield, WI
  • Average snowfall in January: 5.87"

The month with the highest snowfall is January (5.87").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Plainfield, WI

Average snowfall days in January - Plainfield, WI
  • Average snowfall days in January: 13.3 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Plainfield, WI

Average daylight in January / Average sunshine in January - Plainfield, WI
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 3h and 2min

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 24min).

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Average sunshine days in January
Plainfield, WI

Average sunshine days in January - Plainfield, WI
  • Average sunshine days in January: 15.6 days

The month with the most sunshine days is November (16.6 days).
The months with the least sunshine days are April and June (11.9 days).

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Average UV index in January
Plainfield, WI

Average UV index in January - Plainfield, WI
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in January
Plainfield, WI

Average cloud cover in January - Plainfield, WI
  • Average cloud cover in January: 65

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
Plainfield, WI

Average visibility in January - Plainfield, WI
  • Average visibility in January: 5mi

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

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Plainfield, Wisconsin, USA

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