January weather forecast
Merrillan, WI

Weather in January

January, the same as December, in Merrillan, Wisconsin, is another subzero cold winter month, with an average temperature fluctuating between 7.3°F (-13.7°C) and 20.7°F (-6.3°C).

Temperature

The coldest month is January, with an average high-temperature of 20.7°F (-6.3°C) and an average low-temperature of 7.3°F (-13.7°C).

Humidity

With an average relative humidity of 91%, January is the most humid month.

Rainfall

The month with the least rainfall in Merrillan is January, when the rain falls for 3.7 days and typically collects 0.51" (13mm) of precipitation.

Snowfall

Months with snowfall in Merrillan, Wisconsin, are January through May, October through December. In Merrillan, during 15.4 snowfall days, 2.8" (71mm) of snow is typically accumulated. Throughout the year, there are 62.1 snowfall days, and 13.11" (333mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 18min.
On the first day of January in Merrillan, sunrise is at 7:39 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:11 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 3h 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 Merrillan. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 1 in January transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Merrillan?

January is the coldest month in Merrillan, with an average high-temperature of 20.7°F (-6.3°C) and an average low-temperature of 7.3°F (-13.7°C).

What is the temperature in January in Merrillan?

In Merrillan, in January, the average high-temperature is 20.7°F (-6.3°C), and the average low-temperature is 7.3°F (-13.7°C).

What is the most humid month in Merrillan?

With an average relative humidity of 91%, January is the most humid month.

What is the average humidity in January in Merrillan?

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

What is the driest month in Merrillan?

January is the month with the least rainfall in Merrillan, Wisconsin. Rain falls for 3.7 days and accumulates 0.51" (13mm) of precipitation.

How much does it rain in Merrillan in January?

In January, the rain falls for 3.7 days. Throughout January, 0.51" (13mm) of precipitation is accumulated.

How much does it snow in Merrillan in January?

In Merrillan, Wisconsin, in January, snow falls for 15.4 days, with typically accumulated 2.8" (71mm) of snow.

How many hours of daylight does Merrillan have in January?

In Merrillan, Wisconsin, the average day length in January is 9h and 18min.

When are sunrise and sunset in January in Merrillan?

On the first day of January in Merrillan, sunrise is at 7:39 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:11 pm CST.

What is the month with the least sunshine in Merrillan?

January has the least sunshine of the year in Merrillan, Wisconsin, with an average of 3h of sunshine.

How many hours of sunshine does Merrillan have in January?

The average sunshine duration in January is 3h.

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

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

How high is the UV index in January in Merrillan?

In Merrillan, Wisconsin, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Merrillan, WI

Average temperature in January - Merrillan, WI
  • Average high temperature in January: 20.7°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in January: 7.3°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).

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Average pressure in January
Merrillan, WI

Average pressure in January - Merrillan, WI
  • Average pressure in January: 30.12"Hg

The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in January
Merrillan, WI

Average wind speed in January - Merrillan, WI
  • Average wind speed in January: 8.8mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in January
Merrillan, WI

Average humidity in January - Merrillan, WI
  • Average humidity in January: 91%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in January
Merrillan, WI

Average rainfall in January - Merrillan, WI
  • Average rainfall in January: 0.51"

The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in January
Merrillan, WI

Average rainfall days in January - Merrillan, WI
  • Average rainfall days in January: 3.7 days

The month with the highest number of rainy days is June (17.1 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall in January
Merrillan, WI

Average snowfall in January - Merrillan, WI
  • Average snowfall in January: 2.8"

The month with the highest snowfall is February (2.99").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Merrillan, WI

Average snowfall days in January - Merrillan, WI
  • Average snowfall days in January: 15.4 days

The month with the highest number of snowfall days is January (15.4 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
Merrillan, WI

Average daylight in January / Average sunshine in January - Merrillan, WI
  • Average daylight in January: 9h and 18min

The month with the longest days is June (Average daylight: 15h and 29min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 3h and 0min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in January
Merrillan, WI

Average sunshine days in January - Merrillan, WI
  • Average sunshine days in January: 15.7 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (9.8 days).

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Average UV index in January
Merrillan, WI

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

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Average cloud cover in January
Merrillan, WI

Average cloud cover in January - Merrillan, WI
  • Average cloud cover in January: 69

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
Merrillan, WI

Average visibility in January - Merrillan, 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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