January weather forecast
Jersey Mills, PA

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Weather in January

January, like December, is another subzero cold winter month in Jersey Mills, Pennsylvania, with an average temperature fluctuating between 29.3°F (-1.5°C) and 17.1°F (-8.3°C).

Temperature

Jersey Mills's January weather, marked by an average high temperature of 29.3°F (-1.5°C) and an average low temperature of 17.1°F (-8.3°C), is the coldest in the year.

Humidity

The average relative humidity in January is 83%.

Rainfall

In January, the rain falls for 8.7 days. Throughout January, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 168.8 rainfall days, and 32.56" (827mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Jersey Mills, during January, snow falls for 17.1 days and regularly aggregates up to 8.19" (208mm) of snow. In Jersey Mills, during the entire year, snow falls for 71.6 days and aggregates up to 35.47" (901mm) of snow.

Daylight

The average length of the day in January is 9h and 35min.
On the first day of the month, sunrise is at 7:35 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:22 am and sunset at 5:23 pm EST.

Sunshine

January and December, with an average of 3h of sunshine, are months with the least sunshine.

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 unsafe exposure to UV radiation for the average person.
Note: In January, the maximum UV index of 1 suggests this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What time of the year is the coldest in Jersey Mills?

January, on average, is the coldest month, registering a high temperature of 29.3°F (-1.5°C) and a low of 17.1°F (-8.3°C).

How cold is it in Jersey Mills in January?

In January, in Jersey Mills, the average high-temperature is 29.3°F (-1.5°C), and the average low-temperature is 17.1°F (-8.3°C).

What is the average humidity in January in Jersey Mills?

The average relative humidity in January in Jersey Mills, Pennsylvania, is 83%.

How many days does it rain in January in Jersey Mills?

In Jersey Mills, Pennsylvania, in January, during 8.7 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

How many days does it snow in January in Jersey Mills?

In Jersey Mills, Pennsylvania, in January, snow falls for 17.1 days, with typically accumulated 8.19" (208mm) of snow.

How many hours of daylight does Jersey Mills have in January?

In Jersey Mills, Pennsylvania, the average day length in January is 9h and 35min.

What time are sunrise and sunset in January in Jersey Mills?

On the first day of January in Jersey Mills, sunrise is at 7:35 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:23 pm EST.

What is the month with the least sunshine in Jersey Mills?

January and December, with an average of 3h of sunshine, are months with the least sunshine.

How many hours of sunshine does Jersey Mills have in January?

In January, the average sunshine duration is 3h.

What are the months with the lowest UV index in Jersey Mills?

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

How high is the UV index in January in Jersey Mills?

In Jersey Mills, Pennsylvania, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a low health risk 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
Jersey Mills, PA

Average temperature in January - Jersey Mills, PA
  • Average high temperature in January: 29.3°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in January: 17.1°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in January
Jersey Mills, PA

Average pressure in January - Jersey Mills, PA
  • Average pressure in January: 30.09"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).

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Average wind speed in January
Jersey Mills, PA

Average wind speed in January - Jersey Mills, PA
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in January
Jersey Mills, PA

Average humidity in January - Jersey Mills, PA
  • Average humidity in January: 83%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (77%).

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Average rainfall in January
Jersey Mills, PA

Average rainfall in January - Jersey Mills, PA
  • Average rainfall in January: 2.28"

The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.13").

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Average rainfall days in January
Jersey Mills, PA

Average rainfall days in January - Jersey Mills, PA
  • Average rainfall days in January: 8.7 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (8.4 days).

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Average snowfall in January
Jersey Mills, PA

Average snowfall in January - Jersey Mills, PA
  • Average snowfall in January: 8.19"

The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Jersey Mills, PA

Average snowfall days in January - Jersey Mills, PA
  • Average snowfall days in January: 17.1 days

The month with the highest number of snowfall days is January (17.1 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
Jersey Mills, PA

Average daylight in January / Average sunshine in January - Jersey Mills, 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 0min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).

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Average sunshine days in January
Jersey Mills, PA

Average sunshine days in January - Jersey Mills, PA
  • Average sunshine days in January: 9.8 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.9 days).

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Average UV index in January
Jersey Mills, PA

Average UV index in January - Jersey Mills, 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
Jersey Mills, PA

Average cloud cover in January - Jersey Mills, 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 July (Cloud cover 41).

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Average visibility in January
Jersey Mills, PA

Average visibility in January - Jersey Mills, PA
  • Average visibility in January: 4mi

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

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Jersey Mills, Pennsylvania, USA

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