January weather forecast
McMurray, PA

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Weather in January

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

Temperature

McMurray witnesses the coldest weather in January, with temperatures averaging a high of 33.4°F (0.8°C) and a low of 21°F (-6.1°C).

Humidity

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

Rainfall

In McMurray, in January, it is raining for 11.6 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 187.9 rainfall days, and 35.59" (904mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in January is 9h and 41min.
On the first day of January, 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.

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 minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 2 in January transforms into this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January is the coldest month, with an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21°F (-6.1°C).

How cold is January?

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

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 McMurray, the average relative humidity in January is 84%.

How much does it rain in January?

In McMurray, in January, it is raining for 11.6 days, with typically 2.56" (65mm) of accumulated precipitation.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 17.1 days and accumulates 5.83" (148mm) of snow.

How much does it snow in January?

In January, it is snowing for 17.1 days. Throughout January, 5.83" (148mm) of snow is accumulated.

How many hours of daylight does McMurray have in January?

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

When is the sunrise / 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?

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

How long on average sun shines in January?

The average sunshine duration in January is 3h.

What is the UV index intensity in January in McMurray?

In McMurray, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

McMurray, Pennsylvania, USA

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