January weather forecast
Donegal, PA

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Weather in January

January, the same as December, is another cold winter month in Donegal, Pennsylvania, with an average temperature ranging between max 32.4°F (0.2°C) and min 19.9°F (-6.7°C).

Temperature

The month of January, characterized by an average high of 32.4°F (0.2°C) and a low of 19.9°F (-6.7°C), is recognized as the coldest.

Humidity

January and February, with an average relative humidity of 86%, are the most humid months.

Rainfall

In Donegal, in January, it is raining for 8.4 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 179.1 rainfall days, and 33.43" (849mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Donegal are January through May, October through December. January is the month with the most snowfall. Snow falls for 16.3 days and accumulates 7.99" (203mm) of snow.

Daylight

In Donegal, the average length of the day in January is 9h and 43min.
On the first day of the month, sunrise is at 7:39 am and sunset at 5:02 pm. On the last day of January, sunrise is at 7:27 am and sunset at 5:34 pm EST.

Sunshine

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

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Donegal, Pennsylvania. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 2 during January translates into the following guidance:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What is the coldest time of year in Donegal?

January is the coldest month in Donegal, exhibiting average temperatures of 32.4°F (0.2°C) at the peak and 19.9°F (-6.7°C) at the base.

How cold is January in Donegal?

In January, in Donegal, the average high-temperature is 32.4°F (0.2°C), and the average low-temperature is 19.9°F (-6.7°C).

What are the most humid months in Donegal?

The months with the highest humidity are January and February, with an average relative humidity of 86%.

What is the average humidity in January in Donegal?

The average relative humidity in January in Donegal, Pennsylvania, is 86%.

How many days does it rain in January in Donegal?

In Donegal, Pennsylvania, in January, it is raining for 8.4 days, with typically 2.6" (66mm) of accumulated precipitation.

When does it snow the most in Donegal?

The month with the most snowfall in Donegal, Pennsylvania, is January, when snow falls for 16.3 days and typically aggregates up to 7.99" (203mm) of snow.

How much does it snow in Donegal in January?

In Donegal, in January, snow falls for 16.3 days, with typically accumulated 7.99" (203mm) of snow.

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

The average day length in January in Donegal, Pennsylvania, is 9h and 43min.

What time are sunrise and sunset in January in Donegal?

On the first day of January, sunrise is at 7:39 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 in Donegal?

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

How many hours of sunshine does Donegal have in January?

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

What are the months with the lowest UV index in Donegal?

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

How high is the UV index in January in Donegal?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Donegal, PA

Average temperature in January - Donegal, PA
  • Average high temperature in January: 32.4°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.4°F).

  • Average low temperature in January: 19.9°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

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Average pressure in January
Donegal, PA

Average pressure in January - Donegal, 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
Donegal, PA

Average wind speed in January - Donegal, PA
  • Average wind speed in January: 8.9mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in January
Donegal, PA

Average humidity in January - Donegal, PA
  • Average humidity in January: 86%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).

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Average rainfall in January
Donegal, PA

Average rainfall in January - Donegal, PA
  • Average rainfall in January: 2.6"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (1.97").

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Average rainfall days in January
Donegal, PA

Average rainfall days in January - Donegal, PA
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is May (22.6 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in January
Donegal, PA

Average snowfall in January - Donegal, PA
  • Average snowfall in January: 7.99"

The month with the highest snowfall is January (7.99").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Donegal, PA

Average snowfall days in January - Donegal, PA
  • Average snowfall days in January: 16.3 days

The month with the highest number of snowfall days is January (16.3 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
Donegal, PA

Average daylight in January / Average sunshine in January - Donegal, 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 July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in January
Donegal, PA

Average sunshine days in January - Donegal, PA
  • Average sunshine days in January: 9.2 days

The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is May (7.4 days).

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Average UV index in January
Donegal, PA

Average UV index in January - Donegal, 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, October, November and December (UV index 2).

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Average cloud cover in January
Donegal, PA

Average cloud cover in January - Donegal, PA
  • Average cloud cover in January: 70

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in January
Donegal, PA

Average visibility in January - Donegal, 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).

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Donegal, Pennsylvania, USA

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