January weather forecast
Union Grove, WI

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Weather in January

January, the same as December, in Union Grove, Wisconsin, is a freezing cold winter month, with an average temperature ranging between min 16°F (-8.9°C) and max 26.8°F (-2.9°C).

Temperature

The lowest temperatures are recorded in January, with averages reaching a high of 26.8°F (-2.9°C) and a low of 16°F (-8.9°C).

Humidity

The most humid month is January, with an average relative humidity of 85%.

Rainfall

The month with the least rainfall in Union Grove, Wisconsin, is January, when the rain falls for 5 days and typically collects 1.5" (38mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Union Grove, in January, snow falls for 12.6 days, with typically accumulated 4.69" (119mm) of snow. Throughout the year, there are 50 snowfall days, and 18.66" (474mm) of snow is accumulated.

Daylight

The average length of the day in January in Union Grove is 9h and 28min.
On the first day of January, sunrise is at 7:22 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:03 pm CST.

Sunshine

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

UV index

In January, the average daily maximum UV index in Union Grove is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What part of the year is the coldest in Union Grove?

Temperature readings reach their annual highs in January, averaging 26.8°F (-2.9°C) and a minimum average of 16°F (-8.9°C).

How cold is it in Union Grove in January?

January temperatures in Union Grove, Wisconsin, vary between a high-temperature of 26.8°F (-2.9°C) and a low-temperature of 16°F (-8.9°C).

What is the most humid month in Union Grove?

January is the most humid month in Union Grove, Wisconsin, with an average relative humidity of 85%.

What is the average humidity in January in Union Grove?

In Union Grove, Wisconsin, the average relative humidity in January is 85%.

What is the driest month in Union Grove?

The month with the least rainfall is January, when the rain falls for 5 days and typically collects 1.5" (38mm) of precipitation.

How many days does it rain in January in Union Grove?

In January, the rain falls for 5 days. Throughout January, 1.5" (38mm) of precipitation is accumulated.

How many days does it snow in January in Union Grove?

In January, it is snowing for 12.6 days. Throughout January, 4.69" (119mm) of snow is accumulated.

How many hours of daylight does Union Grove have in January?

In Union Grove, Wisconsin, the average day length in January is 9h and 28min.

When are sunrise and sunset in January in Union Grove?

In January, on the first day of the month, sunrise is at 7:22 am and sunset at 4:28 pm. On the last day of the month, in Union Grove, sunrise is at 7:07 am and sunset at 5:03 pm CST.

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

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

How many hours of sunshine does Union Grove have in January?

The average sunshine duration in January is 3.7h.

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

In January, the average daily maximum UV index in Union Grove, Wisconsin, is 2. 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
Union Grove, WI

Average temperature in January - Union Grove, WI
  • Average high temperature in January: 26.8°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in January: 16°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (16°F).

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Average pressure in January
Union Grove, WI

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

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Union Grove, WI

Average wind speed in January - Union Grove, WI
  • Average wind speed in January: 10.9mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

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Average humidity in January
Union Grove, WI

Average humidity in January - Union Grove, WI
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are October and November (76%).

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Average rainfall in January
Union Grove, WI

Average rainfall in January - Union Grove, WI
  • Average rainfall in January: 1.5"

The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (1.5").

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Average rainfall days in January
Union Grove, WI

Average rainfall days in January - Union Grove, WI
  • Average rainfall days in January: 5 days

The months with the highest number of rainy days are May and July (19 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in January
Union Grove, WI

Average snowfall in January - Union Grove, WI
  • Average snowfall in January: 4.69"

The month with the highest snowfall is February (4.76").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Union Grove, WI

Average snowfall days in January - Union Grove, WI
  • 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 June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Union Grove, WI

Average daylight in January / Average sunshine in January - Union Grove, WI
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 18min).
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 August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in January
Union Grove, WI

Average sunshine days in January - Union Grove, WI
  • Average sunshine days in January: 14.4 days

The month with the most sunshine days is November (16 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in January
Union Grove, WI

Average UV index in January - Union Grove, WI
  • Average UV index in January: 2

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

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Average cloud cover in January
Union Grove, WI

Average cloud cover in January - Union Grove, WI
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in January
Union Grove, WI

Average visibility in January - Union Grove, WI
  • 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).

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Union Grove, Wisconsin, USA

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