January weather forecast
Lawrenceville, NJ

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Weather in January

January, the same as December, is a wintry winter month in Lawrenceville, New Jersey, with an average temperature varying between 24.3°F (-4.3°C) and 36.9°F (2.7°C).

Temperature

The coldest period is January, when temperatures fluctuate between an average high of 36.9°F (2.7°C) and a low of 24.3°F (-4.3°C).

Humidity

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

Rainfall

January is the month with the least rainfall. Rain falls for 8.1 days and accumulates 0.87" (22mm) of precipitation.

Snowfall

Months with snowfall in Lawrenceville, New Jersey, are January through May, November and December. In Lawrenceville, during January, snow falls for 4.6 days and regularly aggregates up to 0.43" (11mm) of snow. In Lawrenceville, during the entire year, snow falls for 15.6 days and aggregates up to 2.8" (71mm) of snow.

Daylight

In January, the average length of the day is 9h and 41min.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:43 pm. On the last day of January, in Lawrenceville, sunrise is at 7:09 am and sunset at 5:15 pm EST.

Sunshine

In January, the average sunshine is 5.1h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lawrenceville. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during January translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Lawrenceville?

In Lawrenceville, January records the average lowest temperatures, peaking at 36.9°F (2.7°C) and reaching a low of 24.3°F (-4.3°C).

How cold is it in Lawrenceville in January?

The average high-temperature and low-temperature in Lawrenceville, New Jersey, during January are 36.9°F (2.7°C) and 24.3°F (-4.3°C) respectively.

What is the average humidity in January in Lawrenceville?

The average relative humidity in January in Lawrenceville is 75%.

What is the driest month in Lawrenceville?

January is the month with the least rainfall in Lawrenceville, New Jersey. Rain falls for 8.1 days and accumulates 0.87" (22mm) of precipitation.

How many days does it rain in January in Lawrenceville?

In Lawrenceville, New Jersey, during January, the rain falls for 8.1 days and regularly aggregates up to 0.87" (22mm) of precipitation.

How much does it snow in Lawrenceville in January?

In Lawrenceville, New Jersey, in January, during 4.6 snowfall days, 0.43" (11mm) of snow is typically accumulated.

How many hours of daylight does Lawrenceville have in January?

The average day length in January in Lawrenceville is 9h and 41min.

When is the sunrise / sunset in January in Lawrenceville?

In January, on the first day of the month, sunrise is at 7:21 am and sunset at 4:43 pm. On the last day of the month, in Lawrenceville, sunrise is at 7:09 am and sunset at 5:15 pm EST.

How long on average sun shines in January in Lawrenceville?

The average sunshine duration in January is 5.1h.

What is the month with the lowest UV index in Lawrenceville?

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

How high is the UV index in January in Lawrenceville?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Lawrenceville, NJ

Average temperature in January - Lawrenceville, NJ
  • Average high temperature in January: 36.9°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in January: 24.3°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in January
Lawrenceville, NJ

Average pressure in January - Lawrenceville, NJ
  • 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
Lawrenceville, NJ

Average wind speed in January - Lawrenceville, NJ
  • 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 (5.3mph).

Average humidity in January
Lawrenceville, NJ

Average humidity in January - Lawrenceville, NJ
  • Average humidity in January: 75%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April and July (73%).

Average rainfall in January
Lawrenceville, NJ

Average rainfall in January - Lawrenceville, NJ
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is July (2.24").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in January
Lawrenceville, NJ

Average rainfall days in January - Lawrenceville, NJ
  • Average rainfall days in January: 8.1 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (7.2 days).

Average snowfall in January
Lawrenceville, NJ

Average snowfall in January - Lawrenceville, NJ
  • Average snowfall in January: 0.43"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Lawrenceville, NJ

Average snowfall days in January - Lawrenceville, NJ
  • Average snowfall days in January: 4.6 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Lawrenceville, 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 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
Lawrenceville, NJ

Average sunshine days in January - Lawrenceville, NJ
  • Average sunshine days in January: 20.7 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in January
Lawrenceville, NJ

Average UV index in January - Lawrenceville, NJ
  • 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
Lawrenceville, NJ

Average cloud cover in January - Lawrenceville, NJ
  • Average cloud cover in January: 44

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

Average visibility in January
Lawrenceville, NJ

Average visibility in January - Lawrenceville, NJ
  • 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).

Lawrenceville, New Jersey, USA

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