January weather forecast
Charleroi, PA

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Weather in January

January, like December, in Charleroi, Pennsylvania, is a wintry winter month, with an average temperature fluctuating between 21.2°F (-6°C) and 34°F (1.1°C).

Temperature

In Charleroi, the lowest temperatures are generally noted in January, averaging a high of 34°F (1.1°C) and a low of 21.2°F (-6°C).

Humidity

January and February, with an average relative humidity of 84%, are the most humid months.

Rainfall

In Charleroi, during January, the rain falls for 11.7 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Charleroi, during the entire year, the rain falls for 191.3 days and collects up to 35.24" (895mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 17.8 days and accumulates 6.26" (159mm) of snow.

Daylight

The average length of the day in January is 9h and 42min.
On the first day of January, sunrise is at 7:41 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:36 pm EST.

Sunshine

With an average of 3h of sunshine, January has the least sunshine of the year.

UV index

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in January transforms into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

Charleroi witnesses the coldest weather in January, with temperatures averaging a high of 34°F (1.1°C) and a low of 21.2°F (-6°C).

How cold is it in January?

In January, the average high-temperature and low-temperature are 34°F (1.1°C) and 21.2°F (-6°C) respectively.

What are the most humid months?

January and February, with an average relative humidity of 84%, are most humid months.

What is the average humidity in January?

In Charleroi, the average relative humidity in January is 84%.

How many days does it rain in January?

In Charleroi, in January, during 11.7 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 17.8 days and accumulates 6.26" (159mm) of snow.

How much does it snow in January?

In Charleroi, during January, snow falls for 17.8 days and regularly aggregates up to 6.26" (159mm) of snow.

What is the average length of the day in January?

In January, the average day length in Charleroi is 9h and 42min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:41 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:36 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3h of sunshine.

How many hours of sunshine does Charleroi have in January?

In January, the average sunshine duration is 3h.

What is the UV index reading in January?

The average daily maximum UV index in January in Charleroi 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
Charleroi, PA

Average temperature in January - Charleroi, PA
  • Average high temperature in January: 34°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in January: 21.2°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in January
Charleroi, PA

Average pressure in January - Charleroi, PA
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in January
Charleroi, PA

Average wind speed in January - Charleroi, PA
  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in January
Charleroi, PA

Average humidity in January - Charleroi, PA
  • Average humidity in January: 84%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (76%).

Average rainfall in January
Charleroi, PA

Average rainfall in January - Charleroi, PA
  • Average rainfall in January: 2.64"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in January
Charleroi, PA

Average rainfall days in January - Charleroi, PA
  • Average rainfall days in January: 11.7 days

The month with the highest number of rainy days is May (21.8 days).
The months with the least rainy days are January and February (11.7 days).

Average snowfall in January
Charleroi, PA

Average snowfall in January - Charleroi, PA
  • Average snowfall in January: 6.26"

The month with the highest snowfall is January (6.26").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Charleroi, PA

Average snowfall days in January - Charleroi, PA
  • Average snowfall days in January: 17.8 days

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Charleroi, PA

Average daylight in January / Average sunshine in January - Charleroi, 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 24min).

  • Average sunshine in January: 3h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in January
Charleroi, PA

Average sunshine days in January - Charleroi, PA
  • Average sunshine days in January: 6.8 days

The month with the most sunshine days is November (14.3 days).
The month with the least sunshine days is January (6.8 days).

Average UV index in January
Charleroi, PA

Average UV index in January - Charleroi, PA
  • Average UV index in January: 2

The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
Charleroi, PA

Average cloud cover in January - Charleroi, PA
  • Average cloud cover in January: 68

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Charleroi, PA

Average visibility in January - Charleroi, PA
  • Average visibility in January: 4mi

The months with the highest visibility are April, August and November (6mi).
The months with the lowest visibility are January and February (4mi).

Charleroi, Pennsylvania, USA

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