January weather forecast
Langhorne, PA

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Weather in January

January, like December, in Langhorne, Pennsylvania, is another cold winter month, with an average temperature ranging between max 37°F (2.8°C) and min 25.2°F (-3.8°C).

Temperature

In Langhorne, the lowest average temperatures are observed in January, with a high of 37°F (2.8°C) and a low of 25.2°F (-3.8°C).

Humidity

In January, the average relative humidity is 75%.

Rainfall

The month with the least rainfall is January, when the rain falls for 8 days and typically collects 1.89" (48mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In Langhorne, in January, snow falls for 4.8 days, with typically accumulated 1.57" (40mm) of snow. In Langhorne, during the entire year, snow falls for 15.9 days and aggregates up to 8.5" (216mm) of snow.

Daylight

In January, the average length of the day is 9h and 42min.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:44 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:16 pm EST.

Sunshine

In Langhorne, the average sunshine in January is 5.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

In Langhorne, January is known for its average lowest temperatures, reaching a high of 37°F (2.8°C) and a low of 25.2°F (-3.8°C).

How cold is January in Langhorne?

In Langhorne, 37°F (2.8°C) is the average high-temperature and 25.2°F (-3.8°C) is the average low-temperature during January.

What is the average humidity in January?

In Langhorne, the average relative humidity in January is 75%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 8 days and typically collects 1.89" (48mm) of precipitation.

How much does it rain in January?

In Langhorne, during January, the rain falls for 8 days and regularly aggregates up to 1.89" (48mm) of precipitation.

How much does it snow in January?

In Langhorne, in January, during 4.8 snowfall days, 1.57" (40mm) of snow is typically accumulated.

How many hours of daylight does Langhorne have in January?

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

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:21 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:16 pm EST.

How many hours of sunshine does Langhorne have in January?

The average sunshine duration in January is 5.1h.

What is the month with the lowest UV index?

The months with the lowest UV index in Langhorne are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in January?

In Langhorne, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Langhorne, PA

Average temperature in January - Langhorne, PA
  • Average high temperature in January: 37°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in January: 25.2°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in January
Langhorne, PA

Average pressure in January - Langhorne, 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 (29.93"Hg).

Average wind speed in January
Langhorne, PA

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

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in January
Langhorne, PA

Average humidity in January - Langhorne, PA
  • Average humidity in January: 75%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in January
Langhorne, PA

Average rainfall in January - Langhorne, PA
  • Average rainfall in January: 1.89"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in January
Langhorne, PA

Average rainfall days in January - Langhorne, PA
  • Average rainfall days in January: 8 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).

Average snowfall in January
Langhorne, PA

Average snowfall in January - Langhorne, PA
  • Average snowfall in January: 1.57"

The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Langhorne, PA

Average snowfall days in January - Langhorne, PA
  • Average snowfall days in January: 4.8 days

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

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

Average daylight in January / Average sunshine in January - Langhorne, 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: 5h and 1min

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 48min).

Average sunshine days in January
Langhorne, PA

Average sunshine days in January - Langhorne, PA
  • Average sunshine days in January: 19.8 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in January
Langhorne, PA

Average UV index in January - Langhorne, 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, November and December (UV index 2).

Average cloud cover in January
Langhorne, PA

Average cloud cover in January - Langhorne, PA
  • Average cloud cover in January: 44

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in January
Langhorne, PA

Average visibility in January - Langhorne, PA
  • Average visibility in January: 6mi

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

Langhorne, Pennsylvania, USA

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