January weather forecast
Mascoutah, IL

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Weather in January

January, the same as December, is a wintry winter month in Mascoutah, Illinois, with an average temperature fluctuating between 24.8°F (-4°C) and 37.8°F (3.2°C).

Temperature

The coldest period tends to be January, when average temperatures fluctuate between a high of 37.8°F (3.2°C) and a low of 24.8°F (-4°C).

Humidity

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

Rainfall

In Mascoutah, Illinois, in January, during 4.8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Mascoutah, Illinois, during the entire year, the rain falls for 110.1 days and collects up to 11.1" (282mm) of precipitation.

Snowfall

Months with snowfall in Mascoutah are January through March, November and December. January is the month with the most snowfall in Mascoutah. Snow falls for 4.7 days and accumulates 0.51" (13mm) of snow.

Daylight

The average length of the day in January is 9h and 50min.
On the first day of the month, sunrise is at 7:16 am and sunset at 4:48 pm. On the last day of January, in Mascoutah, sunrise is at 7:05 am and sunset at 5:19 pm CST.

Sunshine

The month with the least sunshine in Mascoutah is January, with an average of 4.5h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mascoutah. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
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. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What is the coldest time of year in Mascoutah?

January, on average, is the coldest month in Mascoutah, registering a high temperature of 37.8°F (3.2°C) and a low of 24.8°F (-4°C).

How cold is January in Mascoutah?

Mascoutah in January has an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 24.8°F (-4°C).

What is the average humidity in January in Mascoutah?

The average relative humidity in January in Mascoutah, Illinois, is 76%.

How many days does it rain in January in Mascoutah?

In January, the rain falls for 4.8 days. Throughout January, 0.71" (18mm) of precipitation is accumulated.

When does it snow the most in Mascoutah?

The month with the most snowfall in Mascoutah, Illinois, is January, when snow falls for 4.7 days and typically aggregates up to 0.51" (13mm) of snow.

How much does it snow in Mascoutah in January?

In Mascoutah, in January, snow falls for 4.7 days, with typically accumulated 0.51" (13mm) of snow.

How many hours of daylight does Mascoutah have in January?

In Mascoutah, the average day length in January is 9h and 50min.

When is the sunrise / sunset in January in Mascoutah?

In January, on the first day of the month, sunrise is at 7:16 am and sunset at 4:48 pm. On the last day of the month, in Mascoutah, Illinois, sunrise is at 7:05 am and sunset at 5:19 pm CST.

What is the month with the least sunshine in Mascoutah?

The month with the least sunshine in Mascoutah, Illinois, is January, with an average of 4.5h of sunshine.

How many hours of sunshine does Mascoutah have in January?

In January, the average sunshine duration in Mascoutah, Illinois, is 4.5h.

When is the lowest UV index in Mascoutah?

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

How high is the UV index in January in Mascoutah?

The average daily maximum UV index in January in Mascoutah is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Mascoutah, IL

Average temperature in January - Mascoutah, IL
  • Average high temperature in January: 37.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in January: 24.8°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in January
Mascoutah, IL

Average pressure in January - Mascoutah, 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 (29.92"Hg).

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Average wind speed in January
Mascoutah, IL

Average wind speed in January - Mascoutah, IL
  • Average wind speed in January: 9.5mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

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Average humidity in January
Mascoutah, IL

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

The months with the highest relative humidity are May, July and August (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in January
Mascoutah, IL

Average rainfall in January - Mascoutah, IL
  • Average rainfall in January: 0.71"

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

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Average rainfall days in January
Mascoutah, IL

Average rainfall days in January - Mascoutah, IL
  • Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in January
Mascoutah, IL

Average snowfall in January - Mascoutah, IL
  • Average snowfall in January: 0.51"

The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Mascoutah, IL

Average snowfall days in January - Mascoutah, IL
  • Average snowfall days in January: 4.7 days

The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Mascoutah, 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 30min).

  • Average sunshine in January: 4h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in January
Mascoutah, IL

Average sunshine days in January - Mascoutah, IL
  • Average sunshine days in January: 23.2 days

The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is July (15.4 days).

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Average UV index in January
Mascoutah, IL

Average UV index in January - Mascoutah, 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, November and December (UV index 2).

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Average cloud cover in January
Mascoutah, IL

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

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

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Average visibility in January
Mascoutah, IL

Average visibility in January - Mascoutah, 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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Mascoutah, Illinois, USA

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