January weather forecast
Lake Delton, WI

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Weather in January

January, like December, is a freezing cold winter month in Lake Delton, Wisconsin, with an average temperature varying between 22.5°F (-5.3°C) and 10°F (-12.2°C).

Temperature

January stands out as Lake Delton's coldest month, with an average high-temperature of 22.5°F (-5.3°C) and a low-temperature of 10°F (-12.2°C).

Humidity

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

Rainfall

January is the month with the least rainfall in Lake Delton. Rain falls for 3.5 days and accumulates 0.31" (8mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In January, in Lake Delton, it is snowing for 11.9 days. Throughout January, 1.38" (35mm) of snow is accumulated. In Lake Delton, during the entire year, snow falls for 43.9 days and aggregates up to 6.02" (153mm) of snow.

Daylight

In Lake Delton, the average length of the day in January is 9h and 23min.
On the first day of January in Lake Delton, sunrise is at 7:32 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:08 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 3.2h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Lake Delton, Wisconsin. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 1 in January translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Lake Delton?

January is the month that records the lowest temperatures in Lake Delton, with averages ranging from a high of 22.5°F (-5.3°C) to a low of 10°F (-12.2°C).

How cold is it in Lake Delton in January?

During January, Lake Delton experiences an average high-temperature of 22.5°F (-5.3°C) and a low-temperature of 10°F (-12.2°C).

What are the most humid months in Lake Delton?

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

What is the average humidity in January in Lake Delton?

The average relative humidity in January in Lake Delton, Wisconsin, is 89%.

What is the driest month in Lake Delton?

The month with the least rainfall in Lake Delton, Wisconsin, is January, when the rain falls for 3.5 days and typically collects 0.31" (8mm) of precipitation.

How much does it rain in Lake Delton in January?

In January, in Lake Delton, the rain falls for 3.5 days. Throughout January, 0.31" (8mm) of precipitation is accumulated.

How much does it snow in Lake Delton in January?

In Lake Delton, Wisconsin, in January, during 11.9 snowfall days, 1.38" (35mm) of snow is typically accumulated.

How many hours of daylight does Lake Delton have in January?

The average day length in January in Lake Delton, Wisconsin, is 9h and 23min.

When is the sunrise / sunset in January in Lake Delton?

In January, on the first day of the month, sunrise is at 7:32 am and sunset at 4:32 pm. On the last day of the month, in Lake Delton, Wisconsin, sunrise is at 7:16 am and sunset at 5:08 pm CST.

What is the month with the least sunshine in Lake Delton?

January has the least sunshine of the year, with an average of 3.2h of sunshine.

How many hours of sunshine does Lake Delton have in January?

In Lake Delton, the average sunshine duration in January is 3.2h.

What are the months with the lowest UV index in Lake Delton?

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

How high is the UV index in January in Lake Delton?

The average daily maximum UV index in January in Lake Delton, Wisconsin, is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Lake Delton, WI

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

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in January: 10°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (10°F).

Average pressure in January
Lake Delton, WI

Average pressure in January - Lake Delton, 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 (29.91"Hg).

Average wind speed in January
Lake Delton, WI

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

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in January
Lake Delton, WI

Average humidity in January - Lake Delton, 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%).

Average rainfall in January
Lake Delton, WI

Average rainfall in January - Lake Delton, WI
  • Average rainfall in January: 0.31"

The wettest month (with the highest rainfall) is June (1.18").
The driest month (with the least rainfall) is January (0.31").

Average rainfall days in January
Lake Delton, WI

Average rainfall days in January - Lake Delton, WI
  • Average rainfall days in January: 3.5 days

The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in January
Lake Delton, WI

Average snowfall in January - Lake Delton, WI
  • Average snowfall in January: 1.38"

The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Lake Delton, WI

Average snowfall days in January - Lake Delton, WI
  • Average snowfall days in January: 11.9 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Lake Delton, WI

Average daylight in January / Average sunshine in January - Lake Delton, 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 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in January
Lake Delton, WI

Average sunshine days in January - Lake Delton, WI
  • Average sunshine days in January: 20.1 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (14.1 days).

Average UV index in January
Lake Delton, WI

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

Average cloud cover in January
Lake Delton, WI

Average cloud cover in January - Lake Delton, WI
  • Average cloud cover in January: 67

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Lake Delton, WI

Average visibility in January - Lake Delton, WI
  • Average visibility in January: 5mi

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

Lake Delton, Wisconsin, USA

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