January weather forecast
Grantsburg, IL

Share

Weather in January

January, the same as December, is another cold winter month in Grantsburg, Illinois, with an average temperature fluctuating between 40.1°F (4.5°C) and 27°F (-2.8°C).

Temperature

January brings the lowest temperatures, with an average high of 40.1°F (4.5°C) and an average low of 27°F (-2.8°C).

Humidity

In Grantsburg, the average relative humidity in January is 76%.

Rainfall

In Grantsburg, in January, during 7.3 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, in Grantsburg, there are 118.3 rainfall days, and 13.03" (331mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Grantsburg. In Grantsburg, in January, snow falls for 3.3 days, with typically accumulated 0.35" (9mm) of snow. In Grantsburg, during the entire year, snow falls for 11 days and aggregates up to 1.57" (40mm) of snow.

Daylight

The average length of the day in January is 9h and 56min.
On the first day of January in Grantsburg, sunrise is at 7:09 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:17 pm CST.

Sunshine

The months with the least sunshine are January and February, with an average of 4.6h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 2 during January translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
[Resources]

Frequently asked questions

What are the coldest months in Grantsburg?

With average temperatures fluctuating between a high of 40.1°F (4.5°C) and a low of 27°F (-2.8°C), January stands out as the coldest month in Grantsburg, Illinois.

Is January cold in Grantsburg?

In January, in Grantsburg, the average high-temperature is 40.1°F (4.5°C), and the average low-temperature is 27°F (-2.8°C).

What is the average humidity in January in Grantsburg?

In January, the average relative humidity in Grantsburg, Illinois, is 76%.

How much does it rain in Grantsburg in January?

In Grantsburg, during January, the rain falls for 7.3 days and regularly aggregates up to 0.75" (19mm) of precipitation.

How much does it snow in Grantsburg in January?

In Grantsburg, Illinois, in January, during 3.3 snowfall days, 0.35" (9mm) of snow is typically accumulated.

How many hours of daylight does Grantsburg have in January?

In January, the average day length in Grantsburg is 9h and 56min.

What time are sunrise and sunset in January in Grantsburg?

In January, on the first day of the month, sunrise is at 7:09 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:17 pm CST.

What is the month with the least sunshine in Grantsburg?

January and February, with an average of 4.6h of sunshine, are months with the least sunshine in Grantsburg.

How many hours of sunshine does Grantsburg have in January?

In Grantsburg, the average sunshine duration in January is 4.6h.

What is the month with the lowest UV index in Grantsburg?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in January in Grantsburg?

In January, the average daily maximum UV index is 2. 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
Grantsburg, IL

Average temperature in January - Grantsburg, IL
  • Average high temperature in January: 40.1°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in January: 27°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

[Resources]

Average pressure in January
Grantsburg, IL

Average pressure in January - Grantsburg, IL
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed in January
Grantsburg, IL

Average wind speed in January - Grantsburg, IL
  • Average wind speed in January: 9mph

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

[Resources]

Average humidity in January
Grantsburg, IL

Average humidity in January - Grantsburg, IL
  • Average humidity in January: 76%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

[Resources]

Average rainfall in January
Grantsburg, IL

Average rainfall in January - Grantsburg, IL
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").

[Resources]

Average rainfall days in January
Grantsburg, IL

Average rainfall days in January - Grantsburg, IL
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).

[Resources]

Average snowfall in January
Grantsburg, IL

Average snowfall in January - Grantsburg, IL
  • Average snowfall in January: 0.35"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in January
Grantsburg, IL

Average snowfall days in January - Grantsburg, IL
  • Average snowfall days in January: 3.3 days

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Grantsburg, IL

Average daylight in January / Average sunshine in January - Grantsburg, IL
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 4h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

[Resources]

Average sunshine days in January
Grantsburg, IL

Average sunshine days in January - Grantsburg, IL
  • Average sunshine days in January: 21.4 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).

[Resources]

Average UV index in January
Grantsburg, IL

Average UV index in January - Grantsburg, IL
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

[Resources]

Average cloud cover in January
Grantsburg, IL

Average cloud cover in January - Grantsburg, IL
  • Average cloud cover in January: 51

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

[Resources]

Average visibility in January
Grantsburg, IL

Average visibility in January - Grantsburg, IL
  • Average visibility in January: 6mi

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

[Resources]

Grantsburg, Illinois, USA

Weather forecast for your location

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