January weather forecast
Glen Carbon, PA

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Weather in January

January, the same as December, is a wintry winter month in Glen Carbon, Pennsylvania, with an average temperature ranging between min 20.1°F (-6.6°C) and max 32.7°F (0.4°C).

Temperature

With an average high-temperature of 32.7°F (0.4°C) and an average low-temperature of 20.1°F (-6.6°C), January is the coldest month.

Humidity

The average relative humidity in January in Glen Carbon is 79%.

Rainfall

In Glen Carbon, during January, the rain falls for 5.7 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Glen Carbon, during the entire year, the rain falls for 146 days and collects up to 26.42" (671mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Glen Carbon. In January, in Glen Carbon, Pennsylvania, it is snowing for 5.8 days. Throughout January, 3.39" (86mm) of snow is accumulated. In Glen Carbon, during the entire year, snow falls for 23 days and aggregates up to 13.46" (342mm) of snow.

Daylight

In Glen Carbon, Pennsylvania, the average length of the day in January is 9h and 39min.
On the first day of the month, sunrise is at 7:29 am and sunset at 4:48 pm. On the last day of January, sunrise is at 7:16 am and sunset at 5:20 pm EST.

Sunshine

The months with the least sunshine are January and February, with an average of 4.4h of sunshine.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 2 during January translates into the following guidance:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Frequently asked questions

What month is the coldest in Glen Carbon?

Glen Carbon experiences its average lowest temperatures in January, reaching a peak of 32.7°F (0.4°C) and a minimum of 20.1°F (-6.6°C).

How cold is it in Glen Carbon in January?

The high-temperature, in January, in Glen Carbon, records 32.7°F (0.4°C), while the low-temperature is 20.1°F (-6.6°C).

What is the average humidity in January in Glen Carbon?

In January, the average relative humidity is 79%.

How much does it rain in Glen Carbon in January?

In Glen Carbon, during January, the rain falls for 5.7 days and regularly aggregates up to 1.77" (45mm) of precipitation.

How many days does it snow in January in Glen Carbon?

In Glen Carbon, Pennsylvania, in January, during 5.8 snowfall days, 3.39" (86mm) of snow is typically accumulated.

What is the average length of the day in January in Glen Carbon?

In January, the average day length is 9h and 39min.

When is the sunrise / sunset in January in Glen Carbon?

In January, on the first day of the month, sunrise is at 7:29 am and sunset at 4:48 pm. On the last day of the month, in Glen Carbon, sunrise is at 7:16 am and sunset at 5:20 pm EST.

What are the months with the least sunshine in Glen Carbon?

January and February, with an average of 4.4h of sunshine, are months with the least sunshine.

How long on average sun shines in January in Glen Carbon?

In January, the average sunshine duration in Glen Carbon is 4.4h.

What are the months with the lowest UV index in Glen Carbon?

The months with the lowest UV index in Glen Carbon, Pennsylvania, are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in January in Glen Carbon?

In Glen Carbon, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Glen Carbon, PA

Average temperature in January - Glen Carbon, PA
  • Average high temperature in January: 32.7°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 (32.7°F).

  • Average low temperature in January: 20.1°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in January
Glen Carbon, PA

Average pressure in January - Glen Carbon, PA
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Glen Carbon, PA

Average wind speed in January - Glen Carbon, PA
  • Average wind speed in January: 8.2mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in January
Glen Carbon, PA

Average humidity in January - Glen Carbon, PA
  • Average humidity in January: 79%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in January
Glen Carbon, PA

Average rainfall in January - Glen Carbon, PA
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.69").

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Average rainfall days in January
Glen Carbon, PA

Average rainfall days in January - Glen Carbon, PA
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (5.7 days).

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Average snowfall in January
Glen Carbon, PA

Average snowfall in January - Glen Carbon, PA
  • Average snowfall in January: 3.39"

The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Glen Carbon, PA

Average snowfall days in January - Glen Carbon, PA
  • Average snowfall days in January: 5.8 days

The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Glen Carbon, PA

Average daylight in January / Average sunshine in January - Glen Carbon, PA
  • 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 18min).

  • Average sunshine in January: 4h and 2min

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

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Average sunshine days in January
Glen Carbon, PA

Average sunshine days in January - Glen Carbon, PA
  • Average sunshine days in January: 20.4 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in January
Glen Carbon, PA

Average UV index in January - Glen Carbon, PA
  • Average UV index in January: 2

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

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Average cloud cover in January
Glen Carbon, PA

Average cloud cover in January - Glen Carbon, PA
  • Average cloud cover in January: 51

The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in January
Glen Carbon, PA

Average visibility in January - Glen Carbon, PA
  • Average visibility in January: 6mi

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

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Glen Carbon, Pennsylvania, USA

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