January weather forecast
Hayward, WI

Weather in January

January, like December, is another subzero cold winter month in Hayward, Wisconsin, with average temperature varying between 5°F (-15°C) and 17.4°F (-8.1°C).

Temperature

With an average high-temperature of 17.4°F (-8.1°C) and an average low-temperature of 5°F (-15°C), January is the coldest month.

Humidity

January and February, with an average relative humidity of 92%, are most humid months in Hayward.

Rainfall

The month with the least rainfall in Hayward is January when the rain falls for 2.3 days and typically collects 0.71" (18mm) of precipitation.

Snowfall

Months with snowfall in Hayward are January through May, October through December. In Hayward, Wisconsin,, snow falls for 19 days, with typically accumulated 5.16" (131mm) of snow. In Hayward, during the entire year, snow falls for 87.1 days, and aggregates up to 33.39" (848mm) of snow.

Daylight

In January, the average length of the day in Hayward is 9.1h.

Sunshine

With an average of 2.1h of sunshine, January has the least sunshine of the year.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Hayward. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the average maximum UV index of 1 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Hayward?

With an average high-temperature of 17.4°F (-8.1°C) and an average low-temperature of 5°F (-15°C), January is the coldest month in Hayward.

What is the most humid month in Hayward?

Months with the highest humidity in Hayward, Wisconsin, are January and February, with an average relative humidity of 92%.

What is the average humidity in January in Hayward?

In Hayward, the average relative humidity in January is 92%.

What is the driest month in Hayward?

The month with the least rainfall in Hayward is January when the rain falls for 2.3 days and typically collects 0.71" (18mm) of precipitation.

How many days does it rain in January in Hayward?

In Hayward, Wisconsin, in January, it is raining for 2.3 days, with typically 0.71" (18mm) of accumulated precipitation.

How many days does it snow in January in Hayward?

In Hayward, during January, snow falls for 19 days and regularly aggregates up to 5.16" (131mm) of snow.

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

The average length of the day in January is 9.1h.

What is the month with the least sunshine in Hayward?

January has the least sunshine of the year in Hayward, Wisconsin, with an average of 2.1h of sunshine.

How many hours of sunshine does Hayward have in January?

In January, the average sunshine in Hayward is 2.1h.

When is the lowest UV index in Hayward?

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

How high is the UV index in January in Hayward?

In January, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.

Average temperature in January
Hayward, WI

Average temperature in January - Hayward, WI
  • Average high temperature in January: 17.4°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (17.4°F).

  • Average low temperature in January: 5°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).

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Average pressure in January
Hayward, WI

Average pressure in January - Hayward, WI
  • Average pressure in January: 30.1"

The month with the highest atmospheric pressure is February (30.11").
The month with the lowest atmospheric pressure is June (29.89").

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Average wind speed in January
Hayward, WI

Average wind speed in January - Hayward, WI
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in January
Hayward, WI

Average humidity in January - Hayward, WI
  • Average humidity in January: 92%

Months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (72%).

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Average rainfall in January
Hayward, WI

Average rainfall in January - Hayward, WI
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days in January
Hayward, WI

Average rainfall days in January - Hayward, WI
  • Average rainfall days in January: 2.3 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (2.3 days).

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Average snowfall in January
Hayward, WI

Average snowfall in January - Hayward, WI
  • Average snowfall in January: 5.16"

The month with the highest snowfall is December (7.17").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Hayward, WI

Average snowfall days in January - Hayward, WI
  • Average snowfall days in January: 19 days

The month with the highest number of snowfall days is January (19 days).
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
Hayward, WI

Average daylight in January / Average sunshine in January - Hayward, WI
  • Average daylight in January: 9.1h

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in January: 2.1h

The month with the most sunshine is July (Average sunshine: 9.8h).
The month with the least sunshine is January (Average sunshine: 2.1h).

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Average sunshine days in January
Hayward, WI

Average sunshine days in January - Hayward, WI
  • Average sunshine days in January: 13.4 days

The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (10.9 days).

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Average UV index in January
Hayward, WI

Average UV index in January - Hayward, WI
  • Average UV index in January: 1

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

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Average cloud cover in January
Hayward, WI

Average cloud cover in January - Hayward, WI
  • Average cloud cover in January: 80

The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in January
Hayward, WI

Average visibility in January - Hayward, WI
  • Average visibility in January: 4mi

Months with the highest visibility are May, June and October (6mi).
Months with the lowest visibility are January, February, March and December (4mi).

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