January weather forecast
Fern Glen, PA

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Weather in January

January, the same as December, in Fern Glen, Pennsylvania, is another subzero cold winter month, with an average temperature varying between 18.9°F (-7.3°C) and 31.5°F (-0.3°C).

Temperature

Fern Glen experiences its lowest average temperatures in January, reaching a peak of 31.5°F (-0.3°C) and a minimum of 18.9°F (-7.3°C).

Humidity

In January, the average relative humidity is 82%.

Rainfall

In Fern Glen, Pennsylvania, in January, during 5.4 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, there are 111.5 rainfall days, and 11.34" (288mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Fern Glen, during January, snow falls for 9.9 days and regularly aggregates up to 1.69" (43mm) of snow. Throughout the year, in Fern Glen, there are 31.5 snowfall days, and 7.28" (185mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 38min.
On the first day of January, sunrise is at 7:29 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:19 pm EST.

Sunshine

In Fern Glen, Pennsylvania, the average sunshine in January is 3.7h.

UV index

The months with the lowest UV index in Fern Glen are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 2 in January transforms into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Fern Glen?

With average high and low temperatures of 31.5°F (-0.3°C) and 18.9°F (-7.3°C) respectively, January is Fern Glen's coldest month.

How cold is January in Fern Glen?

In Fern Glen, 31.5°F (-0.3°C) is the average high-temperature and 18.9°F (-7.3°C) is the average low-temperature during January.

What is the average humidity in January in Fern Glen?

The average relative humidity in January in Fern Glen, Pennsylvania, is 82%.

How many days does it rain in January in Fern Glen?

In Fern Glen, Pennsylvania, during January, the rain falls for 5.4 days and regularly aggregates up to 0.87" (22mm) of precipitation.

How many days does it snow in January in Fern Glen?

In January, in Fern Glen, it is snowing for 9.9 days. Throughout January, 1.69" (43mm) of snow is accumulated.

What is the average length of the day in January in Fern Glen?

The average day length in January in Fern Glen is 9h and 38min.

When are sunrise and sunset in January in Fern Glen?

In January, on the first day of the month, sunrise is at 7:29 am and sunset at 4:46 pm. On the last day of the month, in Fern Glen, Pennsylvania, sunrise is at 7:16 am and sunset at 5:19 pm EST.

How many hours of sunshine does Fern Glen have in January?

In Fern Glen, Pennsylvania, the average sunshine duration in January is 3.7h.

When is the lowest UV index in Fern Glen?

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

What is the UV index intensity in January in Fern Glen?

The average daily maximum UV index in January in Fern Glen, Pennsylvania, 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
Fern Glen, PA

Average temperature in January - Fern Glen, PA
  • Average high temperature in January: 31.5°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in January: 18.9°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in January
Fern Glen, PA

Average pressure in January - Fern Glen, PA
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Fern Glen, PA

Average wind speed in January - Fern Glen, PA
  • Average wind speed in January: 8.2mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in January
Fern Glen, PA

Average humidity in January - Fern Glen, PA
  • Average humidity in January: 82%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (78%).

Average rainfall in January
Fern Glen, PA

Average rainfall in January - Fern Glen, PA
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").

Average rainfall days in January
Fern Glen, PA

Average rainfall days in January - Fern Glen, PA
  • Average rainfall days in January: 5.4 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in January
Fern Glen, PA

Average snowfall in January - Fern Glen, PA
  • Average snowfall in January: 1.69"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Fern Glen, PA

Average snowfall days in January - Fern Glen, PA
  • Average snowfall days in January: 9.9 days

The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Fern Glen, PA

Average daylight in January / Average sunshine in January - Fern Glen, PA
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in January
Fern Glen, PA

Average sunshine days in January - Fern Glen, PA
  • Average sunshine days in January: 18.9 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in January
Fern Glen, PA

Average UV index in January - Fern Glen, 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).

Average cloud cover in January
Fern Glen, PA

Average cloud cover in January - Fern Glen, PA
  • Average cloud cover in January: 59

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in January
Fern Glen, PA

Average visibility in January - Fern Glen, PA
  • Average visibility in January: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

Fern Glen, Pennsylvania, USA

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