January weather forecast
Old Fort, WI

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Weather in January

January, the same as December, in Old Fort, Wisconsin, is another subzero cold winter month, with temperature in the range of an average high of 20.3°F (-6.5°C) and an average low of 10.8°F (-11.8°C).

Temperature

Old Fort records the coldest temperatures in January, averaging a high of 20.3°F (-6.5°C) and a low of 10.8°F (-11.8°C).

Humidity

January is the most humid month, with an average relative humidity of 89%.

Rainfall

The months with the least rainfall in Old Fort are January and February Rain falls for 4.2 days and accumulates 1.06" (27mm) of rain.

Snowfall

January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 22.3 days and accumulates 6.85" (174mm) of snow.

Daylight

In January, the average length of the day is 9h and 3min.
On the first day of the month, sunrise is at 7:47 am and sunset at 4:25 pm. On the last day of January, sunrise is at 7:28 am and sunset at 5:04 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 2.4h of sunshine.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In January, the maximum UV index of 1 suggests these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What time of the year is the coldest in Old Fort?

With average temperatures fluctuating between a high of 20.3°F (-6.5°C) and a low of 10.8°F (-11.8°C), January stands out as the coldest month in Old Fort, Wisconsin.

How cold is it in Old Fort in January?

An average high-temperature, in January, in Old Fort, is 20.3°F (-6.5°C) and the average low-temperature is 10.8°F (-11.8°C).

What is the most humid month in Old Fort?

With an average relative humidity of 89%, January is the most humid month in Old Fort.

What is the average humidity in January in Old Fort?

The average relative humidity in January is 89%.

What is the driest month in Old Fort?

The months with the least rainfall in Old Fort, Wisconsin, are January and February Rain falls for 4.2 days and accumulates 1.06" (27mm) of rain.

How many days does it rain in January in Old Fort?

In January, in Old Fort, Wisconsin, the rain falls for 4.2 days. Throughout January, 1.06" (27mm) of precipitation is accumulated.

When does it snow the most in Old Fort?

January is the month with the most snowfall. Snow falls for 22.3 days and accumulates 6.85" (174mm) of snow.

How many days does it snow in January in Old Fort?

In Old Fort, in January, during 22.3 snowfall days, 6.85" (174mm) of snow is typically accumulated.

How many hours of daylight does Old Fort have in January?

In January, the average day length is 9h and 3min.

When is the sunrise / sunset in January in Old Fort?

In January, on the first day of the month, sunrise is at 7:47 am and sunset at 4:25 pm. On the last day of the month, in Old Fort, Wisconsin, sunrise is at 7:28 am and sunset at 5:04 pm CST.

What is the month with the least sunshine in Old Fort?

The month with the least sunshine in Old Fort is January, with an average of 2.4h of sunshine.

How long on average sun shines in January in Old Fort?

In Old Fort, Wisconsin, the average sunshine duration in January is 2.4h.

What are the months with the lowest UV index in Old Fort?

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

What is the UV index intensity in January in Old Fort?

In Old Fort, Wisconsin, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a low health risk from unsafe 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
Old Fort, WI

Average temperature in January - Old Fort, WI
  • Average high temperature in January: 20.3°F

The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in January
Old Fort, WI

Average pressure in January - Old Fort, WI
  • Average pressure in January: 30.08"Hg

The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in January
Old Fort, WI

Average wind speed in January - Old Fort, WI
  • Average wind speed in January: 10.6mph

The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average humidity in January
Old Fort, WI

Average humidity in January - Old Fort, WI
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).

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Average rainfall in January
Old Fort, WI

Average rainfall in January - Old Fort, WI
  • Average rainfall in January: 1.06"

The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").

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Average rainfall days in January
Old Fort, WI

Average rainfall days in January - Old Fort, WI
  • Average rainfall days in January: 4.2 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).

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Average snowfall in January
Old Fort, WI

Average snowfall in January - Old Fort, WI
  • Average snowfall in January: 6.85"

The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Old Fort, WI

Average snowfall days in January - Old Fort, WI
  • Average snowfall days in January: 22.3 days

The month with the highest number of snowfall days is January (22.3 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
Old Fort, WI

Average daylight in January / Average sunshine in January - Old Fort, WI
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in January: 2h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days in January
Old Fort, WI

Average sunshine days in January - Old Fort, WI
  • Average sunshine days in January: 9.3 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).

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Average UV index in January
Old Fort, WI

Average UV index in January - Old Fort, WI
  • Average UV index in January: 1

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

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Average cloud cover in January
Old Fort, WI

Average cloud cover in January - Old Fort, WI
  • Average cloud cover in January: 76

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in January
Old Fort, WI

Average visibility in January - Old Fort, WI
  • Average visibility in January: 5mi

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

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Old Fort, Wisconsin, USA

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