January weather forecast
Bismarck, IL

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Weather in January

January, like December, is a freezing cold winter month in Bismarck, Illinois, with an average temperature varying between 31.6°F (-0.2°C) and 20.5°F (-6.4°C).

Temperature

In Bismarck, January is the coldest month, with temperatures averaging a high of 31.6°F (-0.2°C) and a low of 20.5°F (-6.4°C).

Humidity

In Bismarck, Illinois, the average relative humidity in January is 81%.

Rainfall

In Bismarck, during January, the rain falls for 7.3 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Bismarck, during the entire year, the rain falls for 151.8 days and collects up to 25.63" (651mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Bismarck, Illinois. In Bismarck, during January, snow falls for 10.6 days and regularly aggregates up to 2.28" (58mm) of snow. In Bismarck, during the entire year, snow falls for 35.2 days and aggregates up to 8.82" (224mm) of snow.

Daylight

In January, the average length of the day in Bismarck is 9h and 41min.
On the first day of January, sunrise is at 7:12 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:07 pm CST.

Sunshine

With an average of 4h of sunshine, January has the least sunshine of the year in Bismarck.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Bismarck. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What is the coldest month in Bismarck?

January, marked by an average high-temperature of 31.6°F (-0.2°C) and a low-temperature of 20.5°F (-6.4°C), is the coldest month in Bismarck, Illinois.

How cold is January in Bismarck?

In Bismarck, 31.6°F (-0.2°C) is the average high-temperature and 20.5°F (-6.4°C) is the average low-temperature during January.

What is the average humidity in January in Bismarck?

In January, the average relative humidity in Bismarck is 81%.

How many days does it rain in January in Bismarck?

In Bismarck, in January, during 7.3 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

How much does it snow in Bismarck in January?

In Bismarck, Illinois, during January, snow falls for 10.6 days and regularly aggregates up to 2.28" (58mm) of snow.

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

In Bismarck, the average day length in January is 9h and 41min.

When is the sunrise / sunset in January in Bismarck?

In January, on the first day of the month, sunrise is at 7:12 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:07 pm CST.

What is the month with the least sunshine in Bismarck?

With an average of 4h of sunshine, January has the least sunshine of the year in Bismarck, Illinois.

How many hours of sunshine does Bismarck have in January?

In Bismarck, the average sunshine duration in January is 4h.

When is the lowest UV index in Bismarck?

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

How high is the UV index in January in Bismarck?

In Bismarck, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
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
Bismarck, IL

Average temperature in January - Bismarck, IL
  • Average high temperature in January: 31.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in January: 20.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in January
Bismarck, IL

Average pressure in January - Bismarck, IL
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Bismarck, IL

Average wind speed in January - Bismarck, IL
  • Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in January
Bismarck, IL

Average humidity in January - Bismarck, IL
  • Average humidity in January: 81%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in January
Bismarck, IL

Average rainfall in January - Bismarck, IL
  • Average rainfall in January: 1.61"

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

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Average rainfall days in January
Bismarck, IL

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

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

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Average snowfall in January
Bismarck, IL

Average snowfall in January - Bismarck, IL
  • Average snowfall in January: 2.28"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Bismarck, IL

Average snowfall days in January - Bismarck, IL
  • Average snowfall days in January: 10.6 days

The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Bismarck, IL
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 4h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in January
Bismarck, IL

Average sunshine days in January - Bismarck, IL
  • Average sunshine days in January: 15 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

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Average UV index in January
Bismarck, IL

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

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

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Average cloud cover in January
Bismarck, IL

Average cloud cover in January - Bismarck, IL
  • Average cloud cover in January: 58

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

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Average visibility in January
Bismarck, IL

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

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

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Bismarck, Illinois, USA

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