January weather forecast
Penbryn, PA

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Weather in January

January, like December, is another subzero cold winter month in Penbryn, Pennsylvania, with an average temperature fluctuating between 28.8°F (-1.8°C) and 17.4°F (-8.1°C).

Temperature

Penbryn's January weather reaches an average high of 28.8°F (-1.8°C) and an average low of 17.4°F (-8.1°C), making it the coldest month.

Humidity

The average relative humidity in January is 83%.

Rainfall

January and November are months with the least rain when the rain falls for 8.7 days and typically aggregates up to 1.77" (45mm) of rain.

Snowfall

January through May, October through December are months with snowfall. In Penbryn, in January, snow falls for 18.3 days, with typically accumulated 6.06" (154mm) of snow. In Penbryn, during the entire year, snow falls for 74.9 days and aggregates up to 30.08" (764mm) of snow.

Daylight

In Penbryn, the average length of the day in January is 9h and 34min.
On the first day of the month, sunrise is at 7:34 am and sunset at 4:47 pm. On the last day of January, sunrise is at 7:20 am and sunset at 5:21 pm EST.

Sunshine

The average sunshine in January is 3.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the maximum UV index of 1 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

The month of January, characterized by an average high of 28.8°F (-1.8°C) and a low of 17.4°F (-8.1°C), is recognized as the coldest.

How cold is January?

An average high-temperature, in January, in Penbryn, is 28.8°F (-1.8°C) and the average low-temperature is 17.4°F (-8.1°C).

What is the average humidity in January?

The average relative humidity in January is 83%.

What is the driest month?

January and November are months with the least rain in Penbryn when the rain falls for 8.7 days and typically aggregates up to 1.77" (45mm) of rain.

How much does it rain in January?

In Penbryn, in January, during 8.7 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

How much does it snow in January?

In January, it is snowing for 18.3 days. Throughout January, 6.06" (154mm) of snow is accumulated.

How many hours of daylight does Penbryn have in January?

In Penbryn, the average day length in January is 9h and 34min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:34 am and sunset at 4:47 pm. On the last day of the month, in Penbryn, sunrise is at 7:20 am and sunset at 5:21 pm EST.

How long on average sun shines in January?

In Penbryn, the average sunshine duration in January is 3.3h.

What is the month with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index intensity in January?

In Penbryn, Pennsylvania, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Penbryn, PA

Average temperature in January - Penbryn, PA
  • Average high temperature in January: 28.8°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 (28.8°F).

  • Average low temperature in January: 17.4°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in January
Penbryn, PA

Average pressure in January - Penbryn, PA
  • Average pressure in January: 30.08"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Penbryn, PA

Average wind speed in January - Penbryn, PA
  • Average wind speed in January: 8.6mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
Penbryn, PA

Average humidity in January - Penbryn, PA
  • Average humidity in January: 83%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (78%).

Average rainfall in January
Penbryn, PA

Average rainfall in January - Penbryn, PA
  • Average rainfall in January: 1.77"

The wettest months (with the highest rainfall) are April and July (2.91").
The driest months (with the least rainfall) are January and November (1.77").

Average rainfall days in January
Penbryn, PA

Average rainfall days in January - Penbryn, PA
  • Average rainfall days in January: 8.7 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in January
Penbryn, PA

Average snowfall in January - Penbryn, PA
  • Average snowfall in January: 6.06"

The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Penbryn, PA

Average snowfall days in January - Penbryn, PA
  • Average snowfall days in January: 18.3 days

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Penbryn, 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 12min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

Average sunshine days in January
Penbryn, PA

Average sunshine days in January - Penbryn, PA
  • Average sunshine days in January: 9.6 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.7 days).

Average UV index in January
Penbryn, PA

Average UV index in January - Penbryn, PA
  • Average UV index in January: 1

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 and December (UV index 1).

Average cloud cover in January
Penbryn, PA

Average cloud cover in January - Penbryn, PA
  • Average cloud cover in January: 67

The months with the most cloud cover are January, February and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in January
Penbryn, PA

Average visibility in January - Penbryn, PA
  • Average visibility in January: 5mi

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

Penbryn, Pennsylvania, USA

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