January weather forecast
Weston, WI

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Weather in January

January, like December, is a freezing cold winter month in Weston, Wisconsin, with an average temperature varying between 8.2°F (-13.2°C) and 19.8°F (-6.8°C).

Temperature

The coldest period is January, when temperatures fluctuate between an average high of 19.8°F (-6.8°C) and a low of 8.2°F (-13.2°C).

Humidity

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

Rainfall

The month with the least rainfall is January, when the rain falls for 3.2 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

Months with snowfall in Weston are January through May, October through December. January is the month with the most snowfall. Snow falls for 15.2 days and accumulates 2.17" (55mm) of snow.

Daylight

In January, the average length of the day is 9h and 15min.
On the first day of the month, sunrise is at 7:35 am and sunset at 4:27 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:04 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 2.8h of sunshine.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 1 in January suggests the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. 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 Weston?

January, on average, is the coldest month, registering a high temperature of 19.8°F (-6.8°C) and a low of 8.2°F (-13.2°C).

How cold is January in Weston?

The high-temperature, in January, in Weston, is 19.8°F (-6.8°C), while the low-temperature averages to 8.2°F (-13.2°C).

What is the most humid month in Weston?

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

What is the average humidity in January in Weston?

In Weston, Wisconsin, the average relative humidity in January is 91%.

What is the driest month in Weston?

January is the month with the least rainfall. Rain falls for 3.2 days and accumulates 0.43" (11mm) of precipitation.

How many days does it rain in January in Weston?

In Weston, Wisconsin, during January, the rain falls for 3.2 days and regularly aggregates up to 0.43" (11mm) of precipitation.

When does it snow the most in Weston?

The month with the most snowfall in Weston, Wisconsin, is January, when snow falls for 15.2 days and typically aggregates up to 2.17" (55mm) of snow.

How many days does it snow in January in Weston?

In Weston, during January, snow falls for 15.2 days and regularly aggregates up to 2.17" (55mm) of snow.

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

The average day length in January is 9h and 15min.

When is the sunrise / sunset in January in Weston?

In January, on the first day of the month, sunrise is at 7:35 am and sunset at 4:27 pm. On the last day of the month, in Weston, sunrise is at 7:18 am and sunset at 5:04 pm CST.

What is the month with the least sunshine in Weston?

The month with the least sunshine is January, with an average of 2.8h of sunshine.

How many hours of sunshine does Weston have in January?

In January, the average sunshine duration is 2.8h.

What are the months with the lowest UV index in Weston?

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

What is the UV index reading in January in Weston?

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

Average temperature in January - Weston, WI
  • Average high temperature in January: 19.8°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in January: 8.2°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

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Average pressure in January
Weston, WI

Average pressure in January - Weston, WI
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is 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
Weston, WI

Average wind speed in January - Weston, WI
  • Average wind speed in January: 9.1mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in January
Weston, WI

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

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Average rainfall in January
Weston, WI

Average rainfall in January - Weston, WI
  • Average rainfall in January: 0.43"

The wettest months (with the highest rainfall) are May and June (1.46").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in January
Weston, WI

Average rainfall days in January - Weston, WI
  • Average rainfall days in January: 3.2 days

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is February (2.9 days).

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Average snowfall in January
Weston, WI

Average snowfall in January - Weston, WI
  • Average snowfall in January: 2.17"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Weston, WI

Average snowfall days in January - Weston, WI
  • Average snowfall days in January: 15.2 days

The month with the highest number of snowfall days is January (15.2 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
Weston, WI

Average daylight in January / Average sunshine in January - Weston, 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 48min).

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Average sunshine days in January
Weston, WI

Average sunshine days in January - Weston, WI
  • Average sunshine days in January: 17.9 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is April (13.4 days).

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Average UV index in January
Weston, WI

Average UV index in January - Weston, 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 and December (UV index 1).

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Average cloud cover in January
Weston, WI

Average cloud cover in January - Weston, WI
  • Average cloud cover in January: 72

The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in January
Weston, WI

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

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

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Weston, Wisconsin, USA

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