January weather forecastSouth Fork, PA

January

Weather in January

January, like December, is another subzero cold winter month in South Fork, Pennsylvania, with temperature in the range of an average high of 30.6°F (-0.8°C) and an average low of 18.9°F (-7.3°C).

Temperature

South Fork's temperature records reveal January as the coldest month, marked by average highs of 30.6°F (-0.8°C) and lows of 18.9°F (-7.3°C).

Humidity

The average relative humidity in January is 85%.

Rainfall

In South Fork, in January, it is raining for 8.9 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 128.8 rainfall days, and 22.95" (583mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In South Fork, during January, snow falls for 15.3 days and regularly aggregates up to 7.56" (192mm) of snow. In South Fork, during the entire year, snow falls for 58.2 days and aggregates up to 31.81" (808mm) of snow.

Daylight

In South Fork, the average length of the day in January is 9h and 41min.
On the first day of the month, sunrise is at 7:37 am and sunset at 4:59 pm. On the last day of January, sunrise is at 7:25 am and sunset at 5:31 pm EST.

Sunshine

With an average of 3.2h of sunshine, January has the least sunshine of the year.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in South Fork, Pennsylvania. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 2 during January translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January, having an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18.9°F (-7.3°C), is the coldest month.

The average high-temperature and low-temperature during January are 30.6°F (-0.8°C) and 18.9°F (-7.3°C) respectively.

The average relative humidity in January is 85%.

In South Fork, in January, it is raining for 8.9 days, with typically 2.4" (61mm) of accumulated precipitation.

In January, it is snowing for 15.3 days. Throughout January, 7.56" (192mm) of snow is accumulated.

The average day length in January in South Fork is 9h and 41min.

In January, on the first day of the month, sunrise is at 7:37 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:31 pm EST.

With an average of 3.2h of sunshine, January has the least sunshine of the year.

The average sunshine duration in January is 3.2h.

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

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
South Fork, PA

  • Average high temperature in January: 30.6°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in January: 18.9°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in January
South Fork, 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
South Fork, PA

  • Average wind speed in January: 10.1mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in January
South Fork, PA

  • Average humidity in January: 85%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall in January
South Fork, PA

  • Average rainfall in January: 2.4"

The wettest month (with the highest rainfall) is February (2.68").
The driest month (with the least rainfall) is August (1.1").

Average rainfall days in January
South Fork, PA

  • Average rainfall days in January: 8.9 days

The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is November (7 days).

Average snowfall in January
South Fork, PA

  • Average snowfall in January: 7.56"

The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
South Fork, PA

  • Average snowfall days in January: 15.3 days

The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
South Fork, PA

  • Average daylight in January: 9h and 42min

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 18min).

  • Average sunshine in January: 3h and 12min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in January
South Fork, PA

  • Average sunshine days in January: 8.3 days

The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is January (8.3 days).

Average UV index in January
South Fork, PA

  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in January
South Fork, 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).

Average visibility in January
South Fork, 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).