January weather forecast
Columbia, NJ

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Weather in January

January, the same as December, is an icy winter month in Columbia, New Jersey, with temperature in the range of an average high of 32.9°F (0.5°C) and an average low of 20.3°F (-6.5°C).

Temperature

Columbia's coldest weather arrives in January, when temperatures average a high of 32.9°F (0.5°C) and a low of 20.3°F (-6.5°C).

Humidity

In Columbia, the average relative humidity in January is 79%.

Rainfall

In January, the rain falls for 5.8 days. Throughout January, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 135.7 rainfall days, and 23.74" (603mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Columbia. In Columbia, during January, snow falls for 8.2 days and regularly aggregates up to 3.62" (92mm) of snow. Throughout the year, there are 33.7 snowfall days, and 16.65" (423mm) of snow is accumulated.

Daylight

In Columbia, the average length of the day in January is 9h and 38min.
On the first day of January, sunrise is at 7:24 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:15 pm EST.

Sunshine

The average sunshine in January in Columbia is 4.6h.

UV index

In January, the average daily maximum UV index in Columbia, New Jersey, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What are the coldest months in Columbia?

During the coldest month in Columbia, January, temperatures average a high of 32.9°F (0.5°C) and a low of 20.3°F (-6.5°C).

How cold is it in Columbia in January?

During January, Columbia experiences an average high-temperature of 32.9°F (0.5°C) and a low-temperature of 20.3°F (-6.5°C).

What is the average humidity in January in Columbia?

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

How much does it rain in Columbia in January?

In Columbia, during January, the rain falls for 5.8 days and regularly aggregates up to 1.57" (40mm) of precipitation.

How many days does it snow in January in Columbia?

In January, it is snowing for 8.2 days. Throughout January, 3.62" (92mm) of snow is accumulated.

How many hours of daylight does Columbia have in January?

The average day length in January in Columbia, New Jersey, is 9h and 38min.

When are sunrise and sunset in January in Columbia?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:42 pm. On the last day of the month, in Columbia, sunrise is at 7:11 am and sunset at 5:15 pm EST.

How long on average sun shines in January in Columbia?

In Columbia, the average sunshine duration in January is 4.6h.

How high is the UV index in January in Columbia?

In Columbia, New Jersey, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Columbia, NJ

Average temperature in January - Columbia, NJ
  • Average high temperature in January: 32.9°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.9°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
Columbia, NJ

Average pressure in January - Columbia, 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 (29.94"Hg).

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Average wind speed in January
Columbia, NJ

Average wind speed in January - Columbia, NJ
  • Average wind speed in January: 7.8mph

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
Columbia, NJ

Average humidity in January - Columbia, 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
Columbia, NJ

Average rainfall in January - Columbia, NJ
  • Average rainfall in January: 1.57"

The wettest month (with the highest rainfall) is July (2.48").
The driest month (with the least rainfall) is September (1.22").

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Average rainfall days in January
Columbia, NJ

Average rainfall days in January - Columbia, NJ
  • Average rainfall days in January: 5.8 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall in January
Columbia, NJ

Average snowfall in January - Columbia, NJ
  • Average snowfall in January: 3.62"

The month with the highest snowfall is March (3.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Columbia, NJ

Average snowfall days in January - Columbia, NJ
  • Average snowfall days in January: 8.2 days

The month with the highest number of snowfall days is February (8.5 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
Columbia, NJ

Average daylight in January / Average sunshine in January - Columbia, 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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in January
Columbia, NJ

Average sunshine days in January - Columbia, NJ
  • Average sunshine days in January: 19.1 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (13.3 days).

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Average UV index in January
Columbia, NJ

Average UV index in January - Columbia, 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
Columbia, NJ

Average cloud cover in January - Columbia, NJ
  • Average cloud cover in January: 50

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in January
Columbia, NJ

Average visibility in January - Columbia, 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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Columbia, New Jersey, USA

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