January weather forecast
Greenwood, WI

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Weather in January

January, like December, is another subzero cold winter month in Greenwood, Wisconsin, with temperature in the range of an average low of 6.8°F (-14°C) and an average high of 19.6°F (-6.9°C).

Temperature

In Greenwood, Wisconsin, the month of January registers the lowest temperatures, averaging 19.6°F (-6.9°C) at the peak and 6.8°F (-14°C) at the lowest.

Humidity

The months with the highest humidity in Greenwood are January and February, with an average relative humidity of 91%.

Rainfall

In Greenwood, during January, the rain falls for 3.3 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Greenwood, during the entire year, the rain falls for 117.6 days and collects up to 15.75" (400mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Greenwood, during January, snow falls for 15.6 days and regularly aggregates up to 2.99" (76mm) of snow. In Greenwood, during the entire year, snow falls for 68.3 days and aggregates up to 15.63" (397mm) of snow.

Daylight

The average length of the day in January is 9h and 16min.
On the first day of the month, sunrise is at 7:39 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:22 am and sunset at 5:08 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 2.9h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 1 in January interprets into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What is the coldest time of year in Greenwood?

January, noted for its average high-temperature of 19.6°F (-6.9°C) and an average low-temperature of 6.8°F (-14°C), is considered the coldest month in Greenwood, Wisconsin.

How cold is January in Greenwood?

The average high-temperature, in January, in Greenwood, is 19.6°F (-6.9°C), while the average low-temperature is 6.8°F (-14°C).

What are the most humid months in Greenwood?

January and February, with an average relative humidity of 91%, are most humid months.

What is the average humidity in January in Greenwood?

The average relative humidity in January in Greenwood, Wisconsin, is 91%.

How many days does it rain in January in Greenwood?

In Greenwood, during January, the rain falls for 3.3 days and regularly aggregates up to 0.67" (17mm) of precipitation.

How much does it snow in Greenwood in January?

In Greenwood, in January, during 15.6 snowfall days, 2.99" (76mm) of snow is typically accumulated.

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

In January, the average day length in Greenwood is 9h and 16min.

What time are sunrise and sunset in January in Greenwood?

On the first day of January, sunrise is at 7:39 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:08 pm CST.

What is the month with the least sunshine in Greenwood?

January has the least sunshine of the year in Greenwood, Wisconsin, with an average of 2.9h of sunshine.

How long on average sun shines in January in Greenwood?

The average sunshine duration in January is 2.9h.

When is the lowest UV index in Greenwood?

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

What is the UV index intensity in January in Greenwood?

The average daily maximum UV index in January in Greenwood, Wisconsin, is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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
Greenwood, WI

Average temperature in January - Greenwood, WI
  • Average high temperature in January: 19.6°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (19.6°F).

  • Average low temperature in January: 6.8°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (6.8°F).

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Average pressure in January
Greenwood, WI

Average pressure in January - Greenwood, WI
  • Average pressure in January: 30.11"Hg

The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in January
Greenwood, WI

Average wind speed in January - Greenwood, WI
  • Average wind speed in January: 9.4mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in January
Greenwood, WI

Average humidity in January - Greenwood, WI
  • Average humidity in January: 91%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in January
Greenwood, WI

Average rainfall in January - Greenwood, WI
  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is February (0.59").

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Average rainfall days in January
Greenwood, WI

Average rainfall days in January - Greenwood, WI
  • Average rainfall days in January: 3.3 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (3.2 days).

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Average snowfall in January
Greenwood, WI

Average snowfall in January - Greenwood, WI
  • Average snowfall in January: 2.99"

The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Greenwood, WI

Average snowfall days in January - Greenwood, WI
  • Average snowfall days in January: 15.6 days

The month with the highest number of snowfall days is January (15.6 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
Greenwood, WI

Average daylight in January / Average sunshine in January - Greenwood, 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: 2h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in January
Greenwood, WI

Average sunshine days in January - Greenwood, WI
  • Average sunshine days in January: 15.3 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (12 days).

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Average UV index in January
Greenwood, WI

Average UV index in January - Greenwood, 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, February, November and December (UV index 1).

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Average cloud cover in January
Greenwood, WI

Average cloud cover in January - Greenwood, WI
  • Average cloud cover in January: 71

The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 35).

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Average visibility in January
Greenwood, WI

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

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

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Greenwood, Wisconsin, USA

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