January weather forecast
Port Trevorton, PA

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Weather in January

January, the same as December, is a wintry winter month in Port Trevorton, Pennsylvania, with temperature in the range of an average high of 32.9°F (0.5°C) and an average low of 20.1°F (-6.6°C).

Temperature

During the coldest month, January, temperatures average a high of 32.9°F (0.5°C) and a low of 20.1°F (-6.6°C).

Humidity

In January, the average relative humidity is 79%.

Rainfall

In Port Trevorton, during January, the rain falls for 9.3 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Port Trevorton, Pennsylvania, there are 165.3 rainfall days, and 30.55" (776mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Port Trevorton are January through May, October through December. In Port Trevorton, in January, snow falls for 11.3 days, with typically accumulated 4.41" (112mm) of snow. Throughout the year, in Port Trevorton, there are 38.1 snowfall days, and 17.68" (449mm) of snow is accumulated.

Daylight

In January, the average length of the day in Port Trevorton is 9h and 39min.
On the first day of the month, sunrise is at 7:31 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:23 pm EST.

Sunshine

The average sunshine in January is 4.3h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. To guard against the harmful effects of the Sun, minimize exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

What are the coldest months in Port Trevorton?

January is Port Trevorton's coldest month, registering average high temperatures of 32.9°F (0.5°C) and lows of 20.1°F (-6.6°C).

How cold is January in Port Trevorton?

In Port Trevorton, 32.9°F (0.5°C) is the average high-temperature and 20.1°F (-6.6°C) is the average low-temperature during January.

What is the average humidity in January in Port Trevorton?

The average relative humidity in January is 79%.

How many days does it rain in January in Port Trevorton?

In January, in Port Trevorton, Pennsylvania, the rain falls for 9.3 days. Throughout January, 2.2" (56mm) of precipitation is accumulated.

How much does it snow in Port Trevorton in January?

In January, in Port Trevorton, it is snowing for 11.3 days. Throughout January, 4.41" (112mm) of snow is accumulated.

What is the average length of the day in January in Port Trevorton?

In Port Trevorton, Pennsylvania, the average day length in January is 9h and 39min.

When is the sunrise / sunset in January in Port Trevorton?

In January, on the first day of the month, sunrise is at 7:31 am and sunset at 4:50 pm. On the last day of the month, in Port Trevorton, sunrise is at 7:18 am and sunset at 5:23 pm EST.

How long on average sun shines in January in Port Trevorton?

In Port Trevorton, the average sunshine duration in January is 4.3h.

What are the months with the lowest UV index in Port Trevorton?

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

How high is the UV index in January in Port Trevorton?

In Port Trevorton, Pennsylvania, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents 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
Port Trevorton, PA

Average temperature in January - Port Trevorton, PA
  • Average high temperature in January: 32.9°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in January: 20.1°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in January
Port Trevorton, PA

Average pressure in January - Port Trevorton, 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).

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Average wind speed in January
Port Trevorton, PA

Average wind speed in January - Port Trevorton, PA
  • Average wind speed in January: 7.5mph

The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in January
Port Trevorton, PA

Average humidity in January - Port Trevorton, PA
  • Average humidity in January: 79%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in January
Port Trevorton, PA

Average rainfall in January - Port Trevorton, PA
  • Average rainfall in January: 2.2"

The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are February and November (2.09").

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Average rainfall days in January
Port Trevorton, PA

Average rainfall days in January - Port Trevorton, PA
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (9 days).

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Average snowfall in January
Port Trevorton, PA

Average snowfall in January - Port Trevorton, PA
  • Average snowfall in January: 4.41"

The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Port Trevorton, PA

Average snowfall days in January - Port Trevorton, PA
  • Average snowfall days in January: 11.3 days

The month with the highest number of snowfall days is January (11.3 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
Port Trevorton, PA

Average daylight in January / Average sunshine in January - Port Trevorton, 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 18min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in January
Port Trevorton, PA

Average sunshine days in January - Port Trevorton, PA
  • Average sunshine days in January: 13.9 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is May (9.9 days).

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Average UV index in January
Port Trevorton, PA

Average UV index in January - Port Trevorton, PA
  • Average UV index in January: 2

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

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Average cloud cover in January
Port Trevorton, PA

Average cloud cover in January - Port Trevorton, PA
  • Average cloud cover in January: 53

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in January
Port Trevorton, PA

Average visibility in January - Port Trevorton, PA
  • Average visibility in January: 5mi

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

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Port Trevorton, Pennsylvania, USA

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