January weather forecast
Westline, PA

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Weather in January

January, the same as December, in Westline, Pennsylvania, is another subzero cold winter month, with temperature in the range of an average high of 28°F (-2.2°C) and an average low of 16.3°F (-8.7°C).

Temperature

Westline's January weather reaches an average high of 28°F (-2.2°C) and an average low of 16.3°F (-8.7°C), making it the coldest month.

Humidity

In Westline, Pennsylvania, the average relative humidity in January is 88%.

Rainfall

In Westline, in January, it is raining for 8.6 days, with typically 2.99" (76mm) of accumulated precipitation. In Westline, during the entire year, the rain falls for 179.4 days and collects up to 35.59" (904mm) of precipitation.

Snowfall

Months with snowfall in Westline are January through May, October through December. In Westline, during January, snow falls for 23.2 days and regularly aggregates up to 12.32" (313mm) of snow. Throughout the year, in Westline, there are 99.3 snowfall days, and 56.69" (1440mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 34min.
On the first day of January, sunrise is at 7:42 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:28 pm EST.

Sunshine

With an average of 2.3h of sunshine, January has the least sunshine of the year in Westline.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 1 in January translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. It's recommended to limit sun exposure when its radiation is at its peak during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the coldest month in Westline?

January, marked by an average high-temperature of 28°F (-2.2°C) and a low-temperature of 16.3°F (-8.7°C), is the coldest month in Westline.

How cold is it in Westline in January?

The high-temperature, in January, in Westline, is 28°F (-2.2°C), while the low-temperature averages to 16.3°F (-8.7°C).

What is the average humidity in January in Westline?

In January, the average relative humidity in Westline is 88%.

How much does it rain in Westline in January?

In Westline, during January, the rain falls for 8.6 days and regularly aggregates up to 2.99" (76mm) of precipitation.

How much does it snow in Westline in January?

In Westline, Pennsylvania, during January, snow falls for 23.2 days and regularly aggregates up to 12.32" (313mm) of snow.

How many hours of daylight does Westline have in January?

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

When is the sunrise / sunset in January in Westline?

On the first day of January in Westline, Pennsylvania, sunrise is at 7:42 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:28 pm EST.

What is the month with the least sunshine in Westline?

January has the least sunshine of the year, with an average of 2.3h of sunshine.

How many hours of sunshine does Westline have in January?

In January, the average sunshine duration is 2.3h.

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

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

How high is the UV index in January in Westline?

In Westline, Pennsylvania, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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
Westline, PA

Average temperature in January - Westline, PA
  • Average high temperature in January: 28°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in January: 16.3°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

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Average pressure in January
Westline, PA

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Westline, PA

Average wind speed in January - Westline, PA
  • Average wind speed in January: 9.1mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in January
Westline, PA

Average humidity in January - Westline, PA
  • Average humidity in January: 88%

The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).

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Average rainfall in January
Westline, PA

Average rainfall in January - Westline, PA
  • Average rainfall in January: 2.99"

The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (2.24").

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Average rainfall days in January
Westline, PA

Average rainfall days in January - Westline, PA
  • Average rainfall days in January: 8.6 days

The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is January (8.6 days).

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Average snowfall in January
Westline, PA

Average snowfall in January - Westline, PA
  • Average snowfall in January: 12.32"

The month with the highest snowfall is February (13.66").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Westline, PA

Average snowfall days in January - Westline, PA
  • Average snowfall days in January: 23.2 days

The month with the highest number of snowfall days is January (23.2 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
Westline, PA

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 2h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in January
Westline, PA

Average sunshine days in January - Westline, PA
  • Average sunshine days in January: 4.5 days

The month with the most sunshine days is September (12.1 days).
The month with the least sunshine days is January (4.5 days).

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Average UV index in January
Westline, PA

Average UV index in January - Westline, 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).

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Average cloud cover in January
Westline, PA

Average cloud cover in January - Westline, PA
  • Average cloud cover in January: 79

The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 42).

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Average visibility in January
Westline, PA

Average visibility in January - Westline, PA
  • Average visibility in January: 4mi

The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).

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Westline, Pennsylvania, USA

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