January weather forecast
Grand Marsh, WI

Share

Weather in January

January, like December, is another subzero cold winter month in Grand Marsh, Wisconsin, with an average temperature varying between 21.7°F (-5.7°C) and 9.9°F (-12.3°C).

Temperature

Grand Marsh's January weather reaches an average high of 21.7°F (-5.7°C) and an average low of 9.9°F (-12.3°C), making it the coldest month.

Humidity

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

Rainfall

In Grand Marsh, Wisconsin, during January, the rain falls for 3.9 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, there are 129.4 rainfall days, and 26.3" (668mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 12.8 days and typically aggregates up to 4.96" (126mm) of snow.

Daylight

The average length of the day in January is 9h and 21min.
On the first day of the month, sunrise is at 7:33 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:17 am and sunset at 5:07 pm CST.

Sunshine

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

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 1 during January translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Grand Marsh's January weather, marked by an average high temperature of 21.7°F (-5.7°C) and an average low temperature of 9.9°F (-12.3°C), is the coldest in the year.

How cold is January?

The average high-temperature and low-temperature during January are 21.7°F (-5.7°C) and 9.9°F (-12.3°C) respectively.

What is the most humid month?

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

What is the average humidity in January?

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

How much does it rain in January?

In Grand Marsh, in January, it is raining for 3.9 days, with typically 1.06" (27mm) of accumulated precipitation.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 12.8 days and accumulates 4.96" (126mm) of snow.

How much does it snow in January?

In Grand Marsh, in January, during 12.8 snowfall days, 4.96" (126mm) of snow is typically accumulated.

What is the average length of the day in January?

In Grand Marsh, the average day length in January is 9h and 21min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:33 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:07 pm CST.

What is the month with the least sunshine?

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

How long on average sun shines in January?

In January, the average sunshine duration is 3.2h.

What are the months with the lowest UV index?

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

How high is the UV index in January?

The average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
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
Grand Marsh, WI

Average temperature in January - Grand Marsh, WI
  • Average high temperature in January: 21.7°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (21.7°F).

  • Average low temperature in January: 9.9°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average pressure in January
Grand Marsh, WI

Average pressure in January - Grand Marsh, 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 (29.9"Hg).

Average wind speed in January
Grand Marsh, WI

Average wind speed in January - Grand Marsh, WI
  • Average wind speed in January: 9.6mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in January
Grand Marsh, WI

Average humidity in January - Grand Marsh, WI
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).

Average rainfall in January
Grand Marsh, WI

Average rainfall in January - Grand Marsh, WI
  • Average rainfall in January: 1.06"

The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is February (0.98").

Average rainfall days in January
Grand Marsh, WI

Average rainfall days in January - Grand Marsh, WI
  • Average rainfall days in January: 3.9 days

The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (3.9 days).

Average snowfall in January
Grand Marsh, WI

Average snowfall in January - Grand Marsh, WI
  • Average snowfall in January: 4.96"

The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Grand Marsh, WI

Average snowfall days in January - Grand Marsh, WI
  • Average snowfall days in January: 12.8 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Grand Marsh, WI

Average daylight in January / Average sunshine in January - Grand Marsh, 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: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in January
Grand Marsh, WI

Average sunshine days in January - Grand Marsh, WI
  • Average sunshine days in January: 15.3 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in January
Grand Marsh, WI

Average UV index in January - Grand Marsh, 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
Grand Marsh, WI

Average cloud cover in January - Grand Marsh, WI
  • Average cloud cover in January: 67

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

Average visibility in January
Grand Marsh, WI

Average visibility in January - Grand Marsh, WI
  • Average visibility in January: 5mi

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

Grand Marsh, Wisconsin, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location