January weather forecast
Lewisberry, PA

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Weather in January

January, like December, in Lewisberry, Pennsylvania, is an icy winter month, with an average temperature varying between 35.2°F (1.8°C) and 22.5°F (-5.3°C).

Temperature

January, known for its average high temperature of 35.2°F (1.8°C) and an average low temperature of 22.5°F (-5.3°C), is the coldest month.

Humidity

The average relative humidity in January is 77%.

Rainfall

The month with the least rainfall is January, when the rain falls for 6.3 days and typically collects 1.14" (29mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 7.2 days and typically aggregates up to 2.52" (64mm) of snow.

Daylight

In Lewisberry, the average length of the day in January is 9h and 42min.
On the first day of the month, sunrise is at 7:29 am and sunset at 4:52 pm. On the last day of January, sunrise is at 7:17 am and sunset at 5:24 pm EST.

Sunshine

In Lewisberry, Pennsylvania, the average sunshine in January is 4.8h.

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 reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 2 in January transforms into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Jul 16, 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 Lewisberry, January is the coldest month, with temperatures averaging a high of 35.2°F (1.8°C) and a low of 22.5°F (-5.3°C).

How cold is January?

The high-temperature during January is 35.2°F (1.8°C) and the low-temperature is 22.5°F (-5.3°C).

What is the average humidity in January?

In January, the average relative humidity is 77%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 6.3 days and accumulates 1.14" (29mm) of precipitation.

How much does it rain in January?

In Lewisberry, during January, the rain falls for 6.3 days and regularly aggregates up to 1.14" (29mm) of precipitation.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 7.2 days and typically aggregates up to 2.52" (64mm) of snow.

How many days does it snow in January?

In January, it is snowing for 7.2 days. Throughout January, 2.52" (64mm) of snow is accumulated.

How many hours of daylight does Lewisberry have in January?

In Lewisberry, Pennsylvania, the average day length in January is 9h and 42min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:29 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:24 pm EST.

How long on average sun shines in January?

In Lewisberry, the average sunshine duration in January is 4.8h.

What is the month with the lowest UV index?

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

How high is the UV index in January?

In Lewisberry, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes 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
Lewisberry, PA

Average temperature in January - Lewisberry, PA
  • Average high temperature in January: 35.2°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in January: 22.5°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in January
Lewisberry, PA

Average pressure in January - Lewisberry, PA
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in January
Lewisberry, PA

Average wind speed in January - Lewisberry, PA
  • Average wind speed in January: 8.3mph

The windiest months (with the highest average wind speed) are February, March and April (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in January
Lewisberry, PA

Average humidity in January - Lewisberry, PA
  • Average humidity in January: 77%

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

Average rainfall in January
Lewisberry, PA

Average rainfall in January - Lewisberry, PA
  • Average rainfall in January: 1.14"

The wettest months (with the highest rainfall) are May and July (2.05").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in January
Lewisberry, PA

Average rainfall days in January - Lewisberry, PA
  • Average rainfall days in January: 6.3 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in January
Lewisberry, PA

Average snowfall in January - Lewisberry, PA
  • Average snowfall in January: 2.52"

The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Lewisberry, PA

Average snowfall days in January - Lewisberry, PA
  • Average snowfall days in January: 7.2 days

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Lewisberry, PA

Average daylight in January / Average sunshine in January - Lewisberry, 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 5min

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
Lewisberry, PA

Average sunshine days in January - Lewisberry, PA
  • Average sunshine days in January: 19.1 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (12.2 days).

Average UV index in January
Lewisberry, PA

Average UV index in January - Lewisberry, PA
  • Average UV index in January: 2

The months with the highest UV index are May, June and July (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
Lewisberry, PA

Average cloud cover in January - Lewisberry, PA
  • Average cloud cover in January: 48

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in January
Lewisberry, PA

Average visibility in January - Lewisberry, 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).

Lewisberry, Pennsylvania, USA

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