January weather forecast
Kaskaskia, IL

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Weather in January

January, like December, in Kaskaskia, Illinois, is an icy winter month, with temperature in the range of an average high of 39.6°F (4.2°C) and an average low of 25.7°F (-3.5°C).

Temperature

Kaskaskia's January weather, with an average high temperature of 39.6°F (4.2°C) and an average low temperature of 25.7°F (-3.5°C), tends to be the coldest of the year.

Humidity

The average relative humidity in January in Kaskaskia is 75%.

Rainfall

In Kaskaskia, during January, the rain falls for 7.9 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Kaskaskia, during the entire year, the rain falls for 156.4 days and collects up to 34.25" (870mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Kaskaskia. In Kaskaskia, in January, during 4.8 snowfall days, 1.81" (46mm) of snow is typically accumulated. In Kaskaskia, during the entire year, snow falls for 16 days and aggregates up to 6.89" (175mm) of snow.

Daylight

The average length of the day in January is 9h and 53min.
On the first day of January in Kaskaskia, sunrise is at 7:15 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:21 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 4.7h of sunshine.

UV index

The months with the lowest UV index in Kaskaskia are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 2 in January leads to these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What time of the year is the coldest in Kaskaskia?

January is the coldest month in Kaskaskia, exhibiting average temperatures of 39.6°F (4.2°C) at the peak and 25.7°F (-3.5°C) at the base.

Is January cold in Kaskaskia?

January temperatures vary between a high-temperature of 39.6°F (4.2°C) and a low-temperature of 25.7°F (-3.5°C).

What is the average humidity in January in Kaskaskia?

The average relative humidity in January in Kaskaskia, Illinois, is 75%.

How many days does it rain in January in Kaskaskia?

In Kaskaskia, during January, the rain falls for 7.9 days and regularly aggregates up to 2.13" (54mm) of precipitation.

How many days does it snow in January in Kaskaskia?

In January, it is snowing for 4.8 days. Throughout January, 1.81" (46mm) of snow is accumulated.

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

In Kaskaskia, the average day length in January is 9h and 53min.

When is the sunrise / sunset in January in Kaskaskia?

In January, on the first day of the month, sunrise is at 7:15 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:21 pm CST.

What is the month with the least sunshine in Kaskaskia?

The month with the least sunshine in Kaskaskia, Illinois, is January, with an average of 4.7h of sunshine.

How many hours of sunshine does Kaskaskia have in January?

In January, the average sunshine duration is 4.7h.

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

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

What is the UV index reading in January in Kaskaskia?

In January, the average daily maximum UV index in Kaskaskia is 2. 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Kaskaskia, IL

Average temperature in January - Kaskaskia, IL
  • Average high temperature in January: 39.6°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in January: 25.7°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 (25.7°F).

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Average pressure in January
Kaskaskia, IL

Average pressure in January - Kaskaskia, 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 (29.93"Hg).

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Average wind speed in January
Kaskaskia, IL

Average wind speed in January - Kaskaskia, IL
  • Average wind speed in January: 9.4mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in January
Kaskaskia, IL

Average humidity in January - Kaskaskia, IL
  • Average humidity in January: 75%

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

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Average rainfall in January
Kaskaskia, IL

Average rainfall in January - Kaskaskia, IL
  • Average rainfall in January: 2.13"

The wettest month (with the highest rainfall) is April (4.13").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in January
Kaskaskia, IL

Average rainfall days in January - Kaskaskia, IL
  • Average rainfall days in January: 7.9 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in January
Kaskaskia, IL

Average snowfall in January - Kaskaskia, IL
  • Average snowfall in January: 1.81"

The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Kaskaskia, IL

Average snowfall days in January - Kaskaskia, IL
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is February (5.2 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
Kaskaskia, IL

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

The month with the longest days is June (Average daylight: 14h and 48min).
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 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in January
Kaskaskia, IL

Average sunshine days in January - Kaskaskia, IL
  • Average sunshine days in January: 18.8 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9.8 days).

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Average UV index in January
Kaskaskia, IL

Average UV index in January - Kaskaskia, 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).

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Average cloud cover in January
Kaskaskia, IL

Average cloud cover in January - Kaskaskia, IL
  • Average cloud cover in January: 48

The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in January
Kaskaskia, IL

Average visibility in January - Kaskaskia, 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).

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Kaskaskia, Illinois, USA

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