January weather forecast
Newton, NJ

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Weather in January

January, like December, in Newton, New Jersey, is another cold winter month, with an average temperature ranging between max 33.3°F (0.7°C) and min 20.3°F (-6.5°C).

Temperature

In Newton, New Jersey, the lowest temperatures are generally noted in January, averaging a high of 33.3°F (0.7°C) and a low of 20.3°F (-6.5°C).

Humidity

The average relative humidity in January in Newton, New Jersey, is 79%.

Rainfall

In Newton, during January, the rain falls for 7.5 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Newton, during the entire year, the rain falls for 161.1 days and collects up to 28.98" (736mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The months with the most snowfall are January and February, with an average 4.29" (109mm) of accumulated snow.

Daylight

In Newton, the average length of the day in January is 9h and 37min.
On the first day of the month, sunrise is at 7:23 am and sunset at 4:40 pm. On the last day of January, in Newton, sunrise is at 7:10 am and sunset at 5:14 pm EST.

Sunshine

In January, the average sunshine in Newton is 4.7h.

UV index

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 2 in January translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What part of the year is the coldest in Newton?

Newton, New Jersey, experiences its average lowest temperatures in January, reaching a peak of 33.3°F (0.7°C) and a minimum of 20.3°F (-6.5°C).

How cold is January in Newton?

In Newton, in January, the average high-temperature is 33.3°F (0.7°C), and the average low-temperature is 20.3°F (-6.5°C).

What is the average humidity in January in Newton?

The average relative humidity in January in Newton is 79%.

How many days does it rain in January in Newton?

In Newton, New Jersey, during January, the rain falls for 7.5 days and regularly aggregates up to 1.89" (48mm) of precipitation.

What is the snowiest month in Newton?

The months with the most snowfall in Newton, New Jersey, are January and February, with an average 4.29" (109mm) of accumulated snow.

How many days does it snow in January in Newton?

In January, in Newton, it is snowing for 10.3 days. Throughout January, 4.29" (109mm) of snow is accumulated.

What is the average length of the day in January in Newton?

In Newton, the average day length in January is 9h and 37min.

What time are sunrise and sunset in January in Newton?

In January, on the first day of the month, sunrise is at 7:23 am and sunset at 4:40 pm. On the last day of the month, in Newton, New Jersey, sunrise is at 7:10 am and sunset at 5:14 pm EST.

How many hours of sunshine does Newton have in January?

The average sunshine duration in January is 4.7h.

What is the UV index reading in January in Newton?

In January, the average daily maximum UV index in Newton is 2. A UV Index reading of 2, and below, represents 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
Newton, NJ

Average temperature in January - Newton, NJ
  • Average high temperature in January: 33.3°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in January: 20.3°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

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Average pressure in January
Newton, NJ

Average pressure in January - Newton, 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).

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Average wind speed in January
Newton, NJ

Average wind speed in January - Newton, NJ
  • Average wind speed in January: 7.7mph

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in January
Newton, NJ

Average humidity in January - Newton, NJ
  • Average humidity in January: 79%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in January
Newton, NJ

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

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in January
Newton, NJ

Average rainfall days in January - Newton, NJ
  • Average rainfall days in January: 7.5 days

The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in January
Newton, NJ

Average snowfall in January - Newton, NJ
  • Average snowfall in January: 4.29"

The months with the highest snowfall are January and February (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Newton, NJ

Average snowfall days in January - Newton, NJ
  • Average snowfall days in January: 10.3 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Newton, NJ
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in January
Newton, NJ

Average sunshine days in January - Newton, NJ
  • Average sunshine days in January: 16.5 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.3 days).

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Average UV index in January
Newton, NJ

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

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in January
Newton, NJ

Average cloud cover in January - Newton, NJ
  • Average cloud cover in January: 49

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in January
Newton, NJ

Average visibility in January - Newton, NJ
  • Average visibility in January: 5mi

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

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Newton, New Jersey, USA

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