January weather forecast
Bayfield, WI

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Weather in January

January in Bayfield, Wisconsin, is characteristically busy with winter’s full force, especially with low temperatures plummeting to 10.8°F (-11.8°C). Although it is one of the coldest months, it lays a perfect setting for snow-lovers. Snowfall is heavy and frequent; therefore, proper winter gear is necessary. As January is notorious for its darkness and decreased sunshine, daylight lamps might be useful. Additionally, strong winds further add a chilling factor, so stay bundled up.

Temperature

With an average high-temperature of 20.3°F (-6.5°C) and an average low-temperature of 10.8°F (-11.8°C), January is the coldest month.

Humidity

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

Rainfall

January and February are months with the least rain in Bayfield when the rain falls for 4.2 days and typically aggregates up to 1.06" (27mm) of rain.

Snowfall

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

Ocean temperature

In Bayfield, in January, the average water temperature is 37.4°F (3°C).
Note: During the act of swimming, this is a direct threat to life. Breathing becomes erratic and cognitive abilities decline rapidly. The importance of a specialized swimsuit to minimize thermal loss is paramount.

Daylight

The average length of the day in January in Bayfield is 9h and 3min.
On the first day of January, sunrise is at 7:48 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:04 pm CST.

Sunshine

With an average of 2.4h of sunshine, January has the least sunshine of the year.

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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: In January, an average UV index of 1 transforms into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What part of the year is the coldest in Bayfield?

The month of January sees the average lowest temperatures in Bayfield, Wisconsin, reaching 20.3°F (-6.5°C) at the peak and 10.8°F (-11.8°C) at the low.

How cold is January in Bayfield?

In January, in Bayfield, the average high-temperature 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 Bayfield?

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

What is the average humidity in January in Bayfield?

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

What is the driest month in Bayfield?

January and February are months with the least rain in Bayfield when the rain falls for 4.2 days and typically aggregates up to 1.06" (27mm) of rain.

How much does it rain in Bayfield in January?

In Bayfield, during January, the rain falls for 4.2 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When does it snow the most in Bayfield?

The month with the most snowfall is January, when snow falls for 22.3 days and typically aggregates up to 6.85" (174mm) of snow.

How much does it snow in Bayfield in January?

In January, in Bayfield, Wisconsin, it is snowing for 22.3 days. Throughout January, 6.85" (174mm) of snow is accumulated.

What is the ocean temperature in January in Bayfield?

In Bayfield, the average seawater temperature in January is 37.4°F (3°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

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

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

When is the sunrise / sunset in January in Bayfield?

On the first day of January, sunrise is at 7:48 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:04 pm CST.

What is the month with the least sunshine in Bayfield?

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

How long on average sun shines in January in Bayfield?

The average sunshine duration in January is 2.4h.

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

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

What is the UV index reading in January in Bayfield?

In January, the average daily maximum UV index in Bayfield, Wisconsin, is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
25.3°F -3.7°C
20.3°F -6.5°C
22.6°F -5.2°C
Average low temperature
18°F -7.8°C
10.8°F -11.8°C
12.6°F -10.8°C
Average pressure
30.07" 764mmHg
30.08" 764mmHg
30.1" 765mmHg
Average wind speed
10.6mph 17.1km/h
10.6mph 17.1km/h
10.2mph 16.4km/h
Average max. wind speed
11.2mph 18km/h
11.1mph 17.9km/h
10.7mph 17.2km/h
Average wind speed gusts
15.5mph 24.9km/h
15.3mph 24.6km/h
15.3mph 24.6km/h
Average humidity
87%
89%
88%
Average rainfall
1.73" 44mm
1.06" 27mm
1.06" 27mm
Average rainfall days
5.8
4.2
3.6
Average snowfall
6.81" 173mm
6.85" 174mm
5.98" 152mm
Average snowfall days
20.4
22.3
18.6
Average sea temperature
39°F 3.9°C
37°F 2.8°C
36°F 2.2°C
Average daylight
8h 4min
9h 0min
10h 2min
Average sunshine
2h 4min
2h 2min
2h 5min
Average sunshine days
8.7
9.3
9.7
Average UV index
1
1
2
Average cloud cover
74%
76%
72%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Bayfield, WI

Average temperature in January - Bayfield, 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
Bayfield, WI

Average pressure in January - Bayfield, 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
Bayfield, WI

Average wind speed in January - Bayfield, 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
Bayfield, WI

Average humidity in January - Bayfield, 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
Bayfield, WI

Average rainfall in January - Bayfield, 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
Bayfield, WI

Average rainfall days in January - Bayfield, 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
Bayfield, WI

Average snowfall in January - Bayfield, 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
Bayfield, WI

Average snowfall days in January - Bayfield, 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 sea temperature in January
Bayfield, WI

Average sea temperature in January - Bayfield, WI
  • Average sea temperature in January: 37°F

The best month for swimming (with the highest average sea temperature) is August (61°F).
The coldest months (with the lowest average sea temperature) are February, March and April (36°F).

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Average daylight in January /
Average sunshine in January
Bayfield, WI

Average daylight in January / Average sunshine in January - Bayfield, WI
  • Average daylight in January: 9h and 0min

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
Bayfield, WI

Average sunshine days in January - Bayfield, 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
Bayfield, WI

Average UV index in January - Bayfield, 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
Bayfield, WI

Average cloud cover in January - Bayfield, 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
Bayfield, WI

Average visibility in January - Bayfield, 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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Bayfield, Wisconsin, USA

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