January weather forecast
Lebanon, NJ

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Weather in January

January, the same as December, is an icy winter month in Lebanon, New Jersey, with an average temperature ranging between min 22.5°F (-5.3°C) and max 35.2°F (1.8°C).

Temperature

In Lebanon, the lowest average temperatures are observed in January, with a high of 35.2°F (1.8°C) and a low of 22.5°F (-5.3°C).

Humidity

The average relative humidity in January is 77%.

Rainfall

In Lebanon, during January, the rain falls for 9 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 160.3 rainfall days, and 29.06" (738mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Lebanon, in January, snow falls for 8.1 days, with typically accumulated 2.36" (60mm) of snow. Throughout the year, there are 27 snowfall days, and 12.2" (310mm) of snow is accumulated.

Daylight

In Lebanon, the average length of the day in January is 9h and 40min.
On the first day of January, sunrise is at 7:23 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:15 pm EST.

Sunshine

The average sunshine in January is 4.9h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Lebanon's temperature records reveal January as the coldest month, marked by average highs of 35.2°F (1.8°C) and lows of 22.5°F (-5.3°C).

How cold is January?

In January, the average high-temperature and low-temperature are 35.2°F (1.8°C) and 22.5°F (-5.3°C) respectively.

What is the average humidity in January?

In Lebanon, New Jersey, the average relative humidity in January is 77%.

How many days does it rain in January?

In Lebanon, New Jersey, in January, during 9 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Lebanon, during January, snow falls for 8.1 days and regularly aggregates up to 2.36" (60mm) of snow.

What is the average length of the day in January?

In January, the average day length is 9h and 40min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:23 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:15 pm EST.

How many hours of sunshine does Lebanon have in January?

The average sunshine duration in January is 4.9h.

When is the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Lebanon, NJ

Average temperature in January - Lebanon, NJ
  • Average high temperature in January: 35.2°F

The warmest month (with the highest average high temperature) is July (83.8°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
Lebanon, NJ

Average pressure in January - Lebanon, NJ
  • Average pressure in January: 30.07"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
Lebanon, NJ

Average wind speed in January - Lebanon, NJ
  • Average wind speed in January: 8.1mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in January
Lebanon, NJ

Average humidity in January - Lebanon, NJ
  • Average humidity in January: 77%

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

Average rainfall in January
Lebanon, NJ

Average rainfall in January - Lebanon, NJ
  • Average rainfall in January: 1.89"

The wettest month (with the highest rainfall) is July (2.95").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in January
Lebanon, NJ

Average rainfall days in January - Lebanon, NJ
  • Average rainfall days in January: 9 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (9 days).

Average snowfall in January
Lebanon, NJ

Average snowfall in January - Lebanon, NJ
  • Average snowfall in January: 2.36"

The month with the highest snowfall is March (3.78").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Lebanon, NJ

Average snowfall days in January - Lebanon, NJ
  • Average snowfall days in January: 8.1 days

The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Lebanon, NJ

Average daylight in January / Average sunshine in January - Lebanon, NJ
  • 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 18min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Lebanon, NJ

Average sunshine days in January - Lebanon, NJ
  • Average sunshine days in January: 17.3 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is June (11.7 days).

Average UV index in January
Lebanon, NJ

Average UV index in January - Lebanon, NJ
  • Average UV index in January: 2

The months with the highest UV index are 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
Lebanon, NJ

Average cloud cover in January - Lebanon, NJ
  • Average cloud cover in January: 46

The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in January
Lebanon, NJ

Average visibility in January - Lebanon, NJ
  • Average visibility in January: 6mi

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

Lebanon, New Jersey, USA

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