January weather forecast
Guys Mills, PA

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Weather in January

January, the same as December, in Guys Mills, Pennsylvania, is another subzero cold winter month, with an average temperature ranging between min 18.1°F (-7.7°C) and max 29.5°F (-1.4°C).

Temperature

January, characterized by an average high temperature of 29.5°F (-1.4°C) and a low temperature of 18.1°F (-7.7°C), is generally the coldest month.

Humidity

In January, the average relative humidity is 89%.

Rainfall

In Guys Mills, in January, during 8.2 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, there are 177.7 rainfall days, and 36.85" (936mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Guys Mills, Pennsylvania. In January, in Guys Mills, it is snowing for 21.8 days. Throughout January, 10.63" (270mm) of snow is accumulated. Throughout the year, in Guys Mills, there are 88.8 snowfall days, and 45.98" (1168mm) of snow is accumulated.

Daylight

In Guys Mills, the average length of the day in January is 9h and 34min.
On the first day of January, sunrise is at 7:46 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:33 pm EST.

Sunshine

With an average of 2.2h of sunshine, January has the least sunshine of the year.

UV index

In Guys Mills, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: An average UV index of 2 in January transforms into this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Stay sun-safe with clothing that is both closely woven and worn loosely. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the coldest time of year in Guys Mills?

The coldest period in Guys Mills, Pennsylvania, tends to be January, when average temperatures fluctuate between a high of 29.5°F (-1.4°C) and a low of 18.1°F (-7.7°C).

How cold is it in Guys Mills in January?

The average high-temperature, in January, in Guys Mills, is 29.5°F (-1.4°C), while the average low-temperature is 18.1°F (-7.7°C).

What is the average humidity in January in Guys Mills?

The average relative humidity in January is 89%.

How much does it rain in Guys Mills in January?

In Guys Mills, Pennsylvania, during January, the rain falls for 8.2 days and regularly aggregates up to 3.19" (81mm) of precipitation.

How much does it snow in Guys Mills in January?

In Guys Mills, in January, during 21.8 snowfall days, 10.63" (270mm) of snow is typically accumulated.

What is the average length of the day in January in Guys Mills?

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

When are sunrise and sunset in January in Guys Mills?

In January, on the first day of the month, sunrise is at 7:46 am and sunset at 5:00 pm. On the last day of the month, in Guys Mills, Pennsylvania, sunrise is at 7:32 am and sunset at 5:33 pm EST.

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

The month with the least sunshine is January, with an average of 2.2h of sunshine.

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

In January, the average sunshine duration in Guys Mills, Pennsylvania, is 2.2h.

What is the UV index reading in January in Guys Mills?

In January, the average daily maximum UV index in Guys Mills is 2. A UV Index estimate of 2, and below, represents 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
Guys Mills, PA

Average temperature in January - Guys Mills, PA
  • Average high temperature in January: 29.5°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in January: 18.1°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

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Average pressure in January
Guys Mills, PA

Average pressure in January - Guys Mills, PA
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Guys Mills, PA

Average wind speed in January - Guys Mills, PA
  • Average wind speed in January: 9.6mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in January
Guys Mills, PA

Average humidity in January - Guys Mills, PA
  • Average humidity in January: 89%

The month with the highest relative humidity is February (90%).
The months with the lowest relative humidity are April and May (80%).

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Average rainfall in January
Guys Mills, PA

Average rainfall in January - Guys Mills, PA
  • Average rainfall in January: 3.19"

The wettest month (with the highest rainfall) is April (3.62").
The driest month (with the least rainfall) is September (2.4").

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Average rainfall days in January
Guys Mills, PA

Average rainfall days in January - Guys Mills, PA
  • Average rainfall days in January: 8.2 days

The months with the highest number of rainy days are June and July (18.8 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in January
Guys Mills, PA

Average snowfall in January - Guys Mills, PA
  • Average snowfall in January: 10.63"

The month with the highest snowfall is December (10.87").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Guys Mills, PA

Average snowfall days in January - Guys Mills, PA
  • Average snowfall days in January: 21.8 days

The month with the highest number of snowfall days is January (21.8 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
Guys Mills, PA

Average daylight in January / Average sunshine in January - Guys 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: 2h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).

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Average sunshine days in January
Guys Mills, PA

Average sunshine days in January - Guys Mills, PA
  • Average sunshine days in January: 5.1 days

The month with the most sunshine days is September (11.6 days).
The month with the least sunshine days is January (5.1 days).

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Average UV index in January
Guys Mills, PA

Average UV index in January - Guys Mills, PA
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in January
Guys Mills, PA

Average cloud cover in January - Guys Mills, 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 34).

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Average visibility in January
Guys Mills, PA

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

The months with the highest visibility are April and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

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Guys Mills, Pennsylvania, USA

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