January weather forecast
Waupun, WI

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Weather in January

January, like December, is a freezing cold winter month in Waupun, Wisconsin, with temperature in the range of an average low of 10.8°F (-11.8°C) and an average high of 22.5°F (-5.3°C).

Temperature

January is the coldest month, exhibiting average temperatures of 22.5°F (-5.3°C) at the peak and 10.8°F (-11.8°C) at the base.

Humidity

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

Rainfall

In Waupun, in January, it is raining for 4.5 days, with typically 0.94" (24mm) of accumulated precipitation. In Waupun, during the entire year, the rain falls for 130.7 days and collects up to 21.38" (543mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. January is the month with the most snowfall in Waupun. Snow falls for 13.8 days and accumulates 3.94" (100mm) of snow.

Daylight

The average length of the day in January in Waupun is 9h and 23min.
On the first day of January in Waupun, Wisconsin, sunrise is at 7:28 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:04 pm CST.

Sunshine

January has the least sunshine of the year in Waupun, with an average of 3.3h of sunshine.

UV index

The months with the lowest UV index in Waupun, Wisconsin, are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 1 during January translates into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What is the coldest month in Waupun?

Waupun's coldest month, January, generally records average temperatures ranging from a high of 22.5°F (-5.3°C) to a low of 10.8°F (-11.8°C).

How cold is January in Waupun?

January temperatures vary between a high-temperature of 22.5°F (-5.3°C) and a low-temperature of 10.8°F (-11.8°C).

What is the most humid month in Waupun?

The months with the highest humidity in Waupun, Wisconsin, are January and February, with an average relative humidity of 89%.

What is the average humidity in January in Waupun?

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

How much does it rain in Waupun in January?

In Waupun, Wisconsin, in January, during 4.5 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

When does it snow the most in Waupun?

The month with the most snowfall in Waupun, Wisconsin, is January, when snow falls for 13.8 days and typically aggregates up to 3.94" (100mm) of snow.

How many days does it snow in January in Waupun?

In Waupun, during January, snow falls for 13.8 days and regularly aggregates up to 3.94" (100mm) of snow.

How many hours of daylight does Waupun have in January?

In Waupun, Wisconsin, the average day length in January is 9h and 23min.

When is the sunrise / sunset in January in Waupun?

On the first day of January, sunrise is at 7:28 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:04 pm CST.

What is the month with the least sunshine in Waupun?

January has the least sunshine of the year, with an average of 3.3h of sunshine.

How long on average sun shines in January in Waupun?

In January, the average sunshine duration in Waupun is 3.3h.

What is the month with the lowest UV index in Waupun?

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

What is the UV index reading in January in Waupun?

The average daily maximum UV index in January in Waupun, Wisconsin, is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Waupun, WI

Average temperature in January - Waupun, WI
  • Average high temperature in January: 22.5°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in January
Waupun, WI

Average pressure in January - Waupun, 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
Waupun, WI

Average wind speed in January - Waupun, WI
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

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Average humidity in January
Waupun, WI

Average humidity in January - Waupun, 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 (76%).

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Average rainfall in January
Waupun, WI

Average rainfall in January - Waupun, WI
  • Average rainfall in January: 0.94"

The wettest months (with the highest rainfall) are May and June (2.76").
The driest month (with the least rainfall) is February (0.87").

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Average rainfall days in January
Waupun, WI

Average rainfall days in January - Waupun, WI
  • Average rainfall days in January: 4.5 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).

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Average snowfall in January
Waupun, WI

Average snowfall in January - Waupun, WI
  • Average snowfall in January: 3.94"

The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Waupun, WI

Average snowfall days in January - Waupun, WI
  • Average snowfall days in January: 13.8 days

The month with the highest number of snowfall days is January (13.8 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
Waupun, WI

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • 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 18min).

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Average sunshine days in January
Waupun, WI

Average sunshine days in January - Waupun, WI
  • Average sunshine days in January: 14.9 days

The month with the most sunshine days is November (16.1 days).
The months with the least sunshine days are June and July (12.1 days).

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Average UV index in January
Waupun, WI

Average UV index in January - Waupun, 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
Waupun, WI

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

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

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Average visibility in January
Waupun, WI

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

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

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Waupun, Wisconsin, USA

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