January weather forecast
McKeesport, PA

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Weather in January

In McKeesport, Pennsylvania, January opens the year with a frosty embrace. The city experiences cold temperatures ranging from 20.7°F (-6.3°C) to an average high of 33.4°F (0.8°C), turning the landscape into a winter wonderland. Snowfall is quite common, leaving white blankets across the city throughout the month. Subsequent days witness occasional flurries and snow showers, producing beautiful snowy landscapes. Expect dreary days with a general overcast sky, a telling sign of the depth of winter.

Temperature

With average high temperatures of 33.4°F (0.8°C) and lows of 20.7°F (-6.3°C), January is the coldest month in McKeesport, Pennsylvania.

Humidity

In January, the average relative humidity is 84%.

Rainfall

In McKeesport, during January, the rain falls for 7.9 days and regularly aggregates up to 0.67" (17mm) of precipitation. In McKeesport, Pennsylvania, during the entire year, the rain falls for 128 days and collects up to 10.2" (259mm) of precipitation.

Snowfall

Months with snowfall in McKeesport are January through May, October through December. The months with the most snowfall in McKeesport are January and February, with an average 1.65" (42mm) of accumulated snow.

Daylight

In McKeesport, the average length of the day in January is 9h and 41min.
On the first day of the month, sunrise is at 7:42 am and sunset at 5:03 pm. On the last day of January, sunrise is at 7:29 am and sunset at 5:36 pm EST.

Sunshine

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

UV index

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 2 in January translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the coldest time of year in McKeesport?

The month of January, characterized by an average high of 33.4°F (0.8°C) and a low of 20.7°F (-6.3°C), is recognized as the coldest.

How cold is January in McKeesport?

January temperatures in McKeesport, Pennsylvania, vary between a high-temperature of 33.4°F (0.8°C) and a low-temperature of 20.7°F (-6.3°C).

What is the average humidity in January in McKeesport?

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

How many days does it rain in January in McKeesport?

In McKeesport, during January, the rain falls for 7.9 days and regularly aggregates up to 0.67" (17mm) of precipitation.

What is the snowiest month in McKeesport?

The months with the most snowfall in McKeesport are January and February, with an average 1.65" (42mm) of accumulated snow.

How many days does it snow in January in McKeesport?

In McKeesport, in January, snow falls for 14.4 days, with typically accumulated 1.65" (42mm) of snow.

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

The average day length in January in McKeesport, Pennsylvania, is 9h and 41min.

When is the sunrise / sunset in January in McKeesport?

On the first day of January in McKeesport, Pennsylvania, sunrise is at 7:42 am and sunset at 5:03 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 in McKeesport?

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

How long on average sun shines in January in McKeesport?

In McKeesport, Pennsylvania, the average sunshine duration in January is 3h.

How high is the UV index in January in McKeesport?

In January, the average daily maximum UV index in McKeesport is 2. A UV Index reading 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
McKeesport, PA

Average temperature in January - McKeesport, PA
  • Average high temperature in January: 33.4°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in January: 20.7°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in January
McKeesport, PA

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in January
McKeesport, PA

Average wind speed in January - McKeesport, PA
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in January
McKeesport, PA

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

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (74%).

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Average rainfall in January
McKeesport, PA

Average rainfall in January - McKeesport, PA
  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is May (1.26").
The driest months (with the least rainfall) are September and November (0.55").

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Average rainfall days in January
McKeesport, PA

Average rainfall days in January - McKeesport, PA
  • Average rainfall days in January: 7.9 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (7.1 days).

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Average snowfall in January
McKeesport, PA

Average snowfall in January - McKeesport, PA
  • Average snowfall in January: 1.65"

The months with the highest snowfall are January and February (1.65").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
McKeesport, PA

Average snowfall days in January - McKeesport, PA
  • Average snowfall days in January: 14.4 days

The month with the highest number of snowfall days is January (14.4 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
McKeesport, PA

Average daylight in January / Average sunshine in January - McKeesport, 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).

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Average sunshine days in January
McKeesport, PA

Average sunshine days in January - McKeesport, PA
  • Average sunshine days in January: 13.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.3 days).

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Average UV index in January
McKeesport, PA

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

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

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Average cloud cover in January
McKeesport, PA

Average cloud cover in January - McKeesport, PA
  • Average cloud cover in January: 69

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
McKeesport, PA

Average visibility in January - McKeesport, PA
  • Average visibility in January: 5mi

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

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McKeesport, Pennsylvania, USA

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