January weather forecast
North Caldwell, NJ

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Weather in January

January, like December, in North Caldwell, New Jersey, is another cold winter month, with an average temperature fluctuating between 22.6°F (-5.2°C) and 34.9°F (1.6°C).

Temperature

North Caldwell records the coldest temperatures in January, averaging a high of 34.9°F (1.6°C) and a low of 22.6°F (-5.2°C).

Humidity

In North Caldwell, the average relative humidity in January is 76%.

Rainfall

January is the month with the least rainfall. Rain falls for 7.8 days and accumulates 1.57" (40mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In North Caldwell, in January, during 6.6 snowfall days, 1.89" (48mm) of snow is typically accumulated. Throughout the year, there are 24.3 snowfall days, and 9.96" (253mm) of snow is accumulated.

Daylight

In North Caldwell, the average length of the day in January is 9h and 38min.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:12 pm EST.

Sunshine

The average sunshine in January in North Caldwell, New Jersey, is 5h.

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 minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

What time of the year is the coldest in North Caldwell?

January, with an average high of 34.9°F (1.6°C) and a low of 22.6°F (-5.2°C), signifies the coldest month of the year.

How cold is it in North Caldwell in January?

In January, in North Caldwell, the average high-temperature is 34.9°F (1.6°C), and the average low-temperature is 22.6°F (-5.2°C).

What is the average humidity in January in North Caldwell?

In January, the average relative humidity in North Caldwell is 76%.

What is the driest month in North Caldwell?

January is the month with the least rainfall. Rain falls for 7.8 days and accumulates 1.57" (40mm) of precipitation.

How many days does it rain in January in North Caldwell?

In North Caldwell, New Jersey, in January, it is raining for 7.8 days, with typically 1.57" (40mm) of accumulated precipitation.

How many days does it snow in January in North Caldwell?

In North Caldwell, in January, snow falls for 6.6 days, with typically accumulated 1.89" (48mm) of snow.

How many hours of daylight does North Caldwell have in January?

The average day length in January in North Caldwell is 9h and 38min.

What time are sunrise and sunset in January in North Caldwell?

On the first day of January in North Caldwell, New Jersey, sunrise is at 7:21 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:12 pm EST.

How long on average sun shines in January in North Caldwell?

The average sunshine duration in January in North Caldwell, New Jersey, is 5h.

What are the months with the lowest UV index in North Caldwell?

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

What is the UV index intensity in January in North Caldwell?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
North Caldwell, NJ

Average temperature in January - North Caldwell, NJ
  • Average high temperature in January: 34.9°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 (34.9°F).

  • Average low temperature in January: 22.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in January
North Caldwell, NJ

Average pressure in January - North Caldwell, NJ
  • Average pressure in January: 30.06"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
North Caldwell, NJ

Average wind speed in January - North Caldwell, NJ
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in January
North Caldwell, NJ

Average humidity in January - North Caldwell, NJ
  • Average humidity in January: 76%

The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are April and August (73%).

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Average rainfall in January
North Caldwell, NJ

Average rainfall in January - North Caldwell, NJ
  • Average rainfall in January: 1.57"

The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is January (1.57").

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Average rainfall days in January
North Caldwell, NJ

Average rainfall days in January - North Caldwell, NJ
  • Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in January
North Caldwell, NJ

Average snowfall in January - North Caldwell, NJ
  • Average snowfall in January: 1.89"

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
North Caldwell, NJ

Average snowfall days in January - North Caldwell, NJ
  • Average snowfall days in January: 6.6 days

The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
North Caldwell, NJ

Average daylight in January / Average sunshine in January - North Caldwell, 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: 5h and 0min

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).

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Average sunshine days in January
North Caldwell, NJ

Average sunshine days in January - North Caldwell, NJ
  • Average sunshine days in January: 18.5 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index in January
North Caldwell, NJ

Average UV index in January - North Caldwell, 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).

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Average cloud cover in January
North Caldwell, NJ

Average cloud cover in January - North Caldwell, NJ
  • Average cloud cover in January: 45

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
North Caldwell, NJ

Average visibility in January - North Caldwell, 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).

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North Caldwell, New Jersey, USA

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