January weather forecast
Oak Ridge, NJ

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Weather in January

January, like December, in Oak Ridge, New Jersey, is an icy winter month, with temperature in the range of an average low of 20.5°F (-6.4°C) and an average high of 33.3°F (0.7°C).

Temperature

Oak Ridge's coldest weather arrives in January, when temperatures average a high of 33.3°F (0.7°C) and a low of 20.5°F (-6.4°C).

Humidity

In January, the average relative humidity in Oak Ridge is 78%.

Rainfall

January is the month with the least rainfall. Rain falls for 5.3 days and accumulates 0.71" (18mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 6.9 days. Throughout January, 1.34" (34mm) of snow is accumulated. In Oak Ridge, during the entire year, snow falls for 26.7 days and aggregates up to 6.06" (154mm) of snow.

Daylight

In January, the average length of the day is 9h and 37min.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:12 pm EST.

Sunshine

The average sunshine in January in Oak Ridge is 4.5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Experience reduced UV exposure by about half when donning a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What are the coldest months in Oak Ridge?

January is the coldest month of the year in Oak Ridge, New Jersey, registering average temperatures as high as 33.3°F (0.7°C) and as low as 20.5°F (-6.4°C).

How cold is it in Oak Ridge in January?

The high-temperature in Oak Ridge during January is 33.3°F (0.7°C) and the low-temperature is 20.5°F (-6.4°C).

What is the average humidity in January in Oak Ridge?

In Oak Ridge, New Jersey, the average relative humidity in January is 78%.

What is the driest month in Oak Ridge?

January is the month with the least rainfall in Oak Ridge. Rain falls for 5.3 days and accumulates 0.71" (18mm) of precipitation.

How many days does it rain in January in Oak Ridge?

In Oak Ridge, in January, it is raining for 5.3 days, with typically 0.71" (18mm) of accumulated precipitation.

How much does it snow in Oak Ridge in January?

In January, in Oak Ridge, it is snowing for 6.9 days. Throughout January, 1.34" (34mm) of snow is accumulated.

What is the average length of the day in January in Oak Ridge?

In Oak Ridge, New Jersey, the average day length in January is 9h and 37min.

What time are sunrise and sunset in January in Oak Ridge?

On the first day of January, sunrise is at 7:22 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:12 pm EST.

How many hours of sunshine does Oak Ridge have in January?

In January, the average sunshine duration in Oak Ridge is 4.5h.

When is the lowest UV index in Oak Ridge?

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

What is the UV index reading in January in Oak Ridge?

The average daily maximum UV index in January in Oak Ridge is 2. A UV Index value of 2, and less, symbolizes 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
Oak Ridge, NJ

Average temperature in January - Oak Ridge, NJ
  • Average high temperature in January: 33.3°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 (33.3°F).

  • Average low temperature in January: 20.5°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in January
Oak Ridge, NJ

Average pressure in January - Oak Ridge, 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
Oak Ridge, NJ

Average wind speed in January - Oak Ridge, NJ
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in January
Oak Ridge, NJ

Average humidity in January - Oak Ridge, NJ
  • Average humidity in January: 78%

The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in January
Oak Ridge, NJ

Average rainfall in January - Oak Ridge, NJ
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days in January
Oak Ridge, NJ

Average rainfall days in January - Oak Ridge, NJ
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in January
Oak Ridge, NJ

Average snowfall in January - Oak Ridge, NJ
  • Average snowfall in January: 1.34"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Oak Ridge, NJ

Average snowfall days in January - Oak Ridge, NJ
  • Average snowfall days in January: 6.9 days

The month with the highest number of snowfall days is January (6.9 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
Oak Ridge, NJ

Average daylight in January / Average sunshine in January - Oak Ridge, 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 3min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

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Average sunshine days in January
Oak Ridge, NJ

Average sunshine days in January - Oak Ridge, NJ
  • Average sunshine days in January: 19.8 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.1 days).

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Average UV index in January
Oak Ridge, NJ

Average UV index in January - Oak Ridge, NJ
  • Average UV index in January: 2

The month with the highest UV index is June (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
Oak Ridge, NJ

Average cloud cover in January - Oak Ridge, NJ
  • Average cloud cover in January: 50

The months with the most cloud cover are February and March (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 38).

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Average visibility in January
Oak Ridge, NJ

Average visibility in January - Oak Ridge, 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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Oak Ridge, New Jersey, USA

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