January weather forecast
Lewis Mills, PA

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Weather in January

January, the same as December, is an icy winter month in Lewis Mills, Pennsylvania, with temperature in the range of an average low of 23.7°F (-4.6°C) and an average high of 35.4°F (1.9°C).

Temperature

With its high average temperature of 35.4°F (1.9°C) and a low of 23.7°F (-4.6°C), January is regarded as the coldest month.

Humidity

The average relative humidity in January is 77%.

Rainfall

In January, the rain falls for 6.7 days. Throughout January, 1.77" (45mm) of precipitation is accumulated. In Lewis Mills, during the entire year, the rain falls for 145.6 days and collects up to 26.81" (681mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Lewis Mills. In Lewis Mills, in January, snow falls for 4.6 days, with typically accumulated 2.32" (59mm) of snow. In Lewis Mills, during the entire year, snow falls for 17.2 days and aggregates up to 10.47" (266mm) of snow.

Daylight

In January, the average length of the day in Lewis Mills is 9h and 43min.
On the first day of January in Lewis Mills, sunrise is at 7:25 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:20 pm EST.

Sunshine

In January, the average sunshine is 4.7h.

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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 2 in January translates into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Lewis Mills?

January, with its average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 23.7°F (-4.6°C), holds the record as the coldest month in Lewis Mills, Pennsylvania.

How cold is January in Lewis Mills?

An average high-temperature, in January, in Lewis Mills, is 35.4°F (1.9°C) and the average low-temperature is 23.7°F (-4.6°C).

What is the average humidity in January in Lewis Mills?

The average relative humidity in January in Lewis Mills is 77%.

How much does it rain in Lewis Mills in January?

In Lewis Mills, during January, the rain falls for 6.7 days and regularly aggregates up to 1.77" (45mm) of precipitation.

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

In January, in Lewis Mills, Pennsylvania, it is snowing for 4.6 days. Throughout January, 2.32" (59mm) of snow is accumulated.

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

In Lewis Mills, Pennsylvania, the average day length in January is 9h and 43min.

When is the sunrise / sunset in January in Lewis Mills?

On the first day of January in Lewis Mills, sunrise is at 7:25 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:20 pm EST.

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

The average sunshine duration in January in Lewis Mills, Pennsylvania, is 4.7h.

What is the month with the lowest UV index in Lewis Mills?

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

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

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Lewis Mills, PA

Average temperature in January - Lewis Mills, PA
  • Average high temperature in January: 35.4°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in January: 23.7°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in January
Lewis Mills, PA

Average pressure in January - Lewis Mills, 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).

Average wind speed in January
Lewis Mills, PA

Average wind speed in January - Lewis Mills, PA
  • Average wind speed in January: 8.5mph

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in January
Lewis Mills, PA

Average humidity in January - Lewis Mills, PA
  • Average humidity in January: 77%

The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in January
Lewis Mills, PA

Average rainfall in January - Lewis Mills, PA
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (1.61").

Average rainfall days in January
Lewis Mills, PA

Average rainfall days in January - Lewis Mills, PA
  • Average rainfall days in January: 6.7 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in January
Lewis Mills, PA

Average snowfall in January - Lewis Mills, PA
  • Average snowfall in January: 2.32"

The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Lewis Mills, PA

Average snowfall days in January - Lewis Mills, PA
  • Average snowfall days in January: 4.6 days

The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Lewis Mills, PA

Average daylight in January / Average sunshine in January - Lewis Mills, 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 24min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Lewis Mills, PA

Average sunshine days in January - Lewis Mills, PA
  • Average sunshine days in January: 20.1 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in January
Lewis Mills, PA

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

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

Average cloud cover in January
Lewis Mills, PA

Average cloud cover in January - Lewis Mills, PA
  • Average cloud cover in January: 47

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in January
Lewis Mills, PA

Average visibility in January - Lewis Mills, PA
  • Average visibility in January: 6mi

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

Lewis Mills, Pennsylvania, USA

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