January weather forecast
McMurray, PA

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Weather in January

January, the same as December, is an icy winter month in McMurray, Pennsylvania, with an average temperature fluctuating between 33.4°F (0.8°C) and 21°F (-6.1°C).

Temperature

In McMurray, the lowest temperatures are generally noted in January, averaging a high of 33.4°F (0.8°C) and a low of 21°F (-6.1°C).

Humidity

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

Rainfall

In McMurray, during January, the rain falls for 11.6 days and regularly aggregates up to 2.56" (65mm) of precipitation. In McMurray, during the entire year, the rain falls for 187.9 days and collects up to 35.59" (904mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 17.1 days and accumulates 5.83" (148mm) of snow.

Daylight

In McMurray, 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 5:04 pm. On the last day of January, in McMurray, sunrise is at 7:30 am and sunset at 5:37 pm EST.

Sunshine

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

UV index

In McMurray, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Stay sun-safe with clothing that is both closely woven and worn loosely. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What time of the year is the coldest in McMurray?

January tends to be the coldest month, with temperatures averaging a daily high of 33.4°F (0.8°C) and a low of 21°F (-6.1°C).

How cold is January in McMurray?

In McMurray, in January, the average high-temperature is 33.4°F (0.8°C), and the average low-temperature is 21°F (-6.1°C).

What are the most humid months in McMurray?

The months with the highest humidity in McMurray are January and February, with an average relative humidity of 84%.

What is the average humidity in January in McMurray?

In January, the average relative humidity is 84%.

How much does it rain in McMurray in January?

In McMurray, Pennsylvania, in January, during 11.6 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

When does it snow the most in McMurray?

The month with the most snowfall is January, when snow falls for 17.1 days and typically aggregates up to 5.83" (148mm) of snow.

How many days does it snow in January in McMurray?

In McMurray, Pennsylvania, during January, snow falls for 17.1 days and regularly aggregates up to 5.83" (148mm) of snow.

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

In McMurray, Pennsylvania, the average day length in January is 9h and 41min.

What time are sunrise and sunset in January in McMurray?

In January, on the first day of the month, sunrise is at 7:42 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:37 pm EST.

What is the month with the least sunshine in McMurray?

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

How many hours of sunshine does McMurray have in January?

The average sunshine duration in January in McMurray, Pennsylvania, is 3h.

What is the UV index intensity in January in McMurray?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes 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
McMurray, PA

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

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in January: 21°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in January
McMurray, PA

Average pressure in January - McMurray, 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).

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Average wind speed in January
McMurray, PA

Average wind speed in January - McMurray, PA
  • Average wind speed in January: 7.8mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in January
McMurray, PA

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

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (75%).

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Average rainfall in January
McMurray, PA

Average rainfall in January - McMurray, PA
  • Average rainfall in January: 2.56"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.2").

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Average rainfall days in January
McMurray, PA

Average rainfall days in January - McMurray, PA
  • Average rainfall days in January: 11.6 days

The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (11.3 days).

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Average snowfall in January
McMurray, PA

Average snowfall in January - McMurray, PA
  • Average snowfall in January: 5.83"

The month with the highest snowfall is January (5.83").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
McMurray, PA

Average snowfall days in January - McMurray, PA
  • Average snowfall days in January: 17.1 days

The month with the highest number of snowfall days is January (17.1 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
McMurray, PA

Average daylight in January / Average sunshine in January - McMurray, 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
McMurray, PA

Average sunshine days in January - McMurray, PA
  • Average sunshine days in January: 7.7 days

The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is January (7.7 days).

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Average UV index in January
McMurray, PA

Average UV index in January - McMurray, 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).

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Average cloud cover in January
McMurray, PA

Average cloud cover in January - McMurray, 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).

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Average visibility in January
McMurray, PA

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

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

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McMurray, Pennsylvania, USA

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