January weather forecast
United, PA

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Weather in January

January, the same as December, is another cold winter month in United, Pennsylvania, with an average temperature fluctuating between 20.3°F (-6.5°C) and 33.3°F (0.7°C).

Temperature

In United, the lowest average temperatures are observed in January, with a high of 33.3°F (0.7°C) and a low of 20.3°F (-6.5°C).

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 85%.

Rainfall

In United, during January, the rain falls for 9.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 185.4 rainfall days, and 34.02" (864mm) 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 17.3 days and accumulates 7.09" (180mm) of snow.

Daylight

In United, the average length of the day in January is 9h and 42min.
On the first day of January, sunrise is at 7:40 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:34 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 3h 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 in United. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

In United, the average lowest temperatures are observed in January, with a high of 33.3°F (0.7°C) and a low of 20.3°F (-6.5°C).

How cold is January?

January temperatures vary between a high-temperature of 33.3°F (0.7°C) and a low-temperature of 20.3°F (-6.5°C).

What is the most humid month?

January and February, with an average relative humidity of 85%, are most humid months.

What is the average humidity in January?

The average relative humidity in January is 85%.

How much does it rain in January?

In January, the rain falls for 9.8 days. Throughout January, 2.68" (68mm) of precipitation is accumulated.

When does it snow the most in United?

January is the month with the most snowfall. Snow falls for 17.3 days and accumulates 7.09" (180mm) of snow.

How many days does it snow in January?

In January, it is snowing for 17.3 days. Throughout January, 7.09" (180mm) of snow is accumulated.

How many hours of daylight does United have in January?

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

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:40 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:34 pm EST.

What is the month with the least sunshine?

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

How long on average sun shines in January?

In January, the average sunshine duration is 3h.

What are the months with the lowest UV index?

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

How high is the UV index in January?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
United, PA

Average temperature in January - United, PA
  • Average high temperature in January: 33.3°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in January: 20.3°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in January
United, PA

Average pressure in January - United, 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
United, PA

Average wind speed in January - United, PA
  • Average wind speed in January: 8.5mph

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

Average humidity in January
United, PA

Average humidity in January - United, PA
  • Average humidity in January: 85%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in January
United, PA

Average rainfall in January - United, PA
  • Average rainfall in January: 2.68"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.01").

Average rainfall days in January
United, PA

Average rainfall days in January - United, PA
  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is May (22 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in January
United, PA

Average snowfall in January - United, PA
  • Average snowfall in January: 7.09"

The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
United, PA

Average snowfall days in January - United, PA
  • Average snowfall days in January: 17.3 days

The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - United, 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

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

Average sunshine days in January
United, PA

Average sunshine days in January - United, PA
  • Average sunshine days in January: 6.5 days

The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.5 days).

Average UV index in January
United, PA

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

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

Average cloud cover in January
United, PA

Average cloud cover in January - United, 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 35).

Average visibility in January
United, PA

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

United, Pennsylvania, USA

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