January weather forecast
Harneys Corner, NJ

Weather in January

January, the same as December, is a wintry winter month in Harneys Corner, New Jersey, with an average temperature varying between 36.9°F (2.7°C) and 24.8°F (-4°C).

Temperature

The coldest month is January, with an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 24.8°F (-4°C).

Humidity

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

Rainfall

The month with the least rainfall is January, when the rain falls for 7.9 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

Months with snowfall in Harneys Corner, New Jersey, are January through May, October through December. In January, it is snowing for 4.8 days. Throughout January, 1.69" (43mm) of snow is accumulated. Throughout the year, in Harneys Corner, there are 16.6 snowfall days, and 8.86" (225mm) of snow is accumulated.

Daylight

In January, the average length of the day in Harneys Corner, New Jersey, 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, sunrise is at 7:08 am and sunset at 5:16 pm EST.

Sunshine

The average sunshine in January is 5.1h.

UV index

The months with the lowest UV index in Harneys Corner are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Harneys Corner?

January is the coldest month in Harneys Corner, with an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 24.8°F (-4°C).

What is the average humidity in January in Harneys Corner?

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

What is the driest month in Harneys Corner?

January is the month with the least rainfall in Harneys Corner. Rain falls for 7.9 days and accumulates 1.85" (47mm) of precipitation.

How much does it rain in Harneys Corner in January?

In Harneys Corner, New Jersey, during January, the rain falls for 7.9 days and regularly aggregates up to 1.85" (47mm) of precipitation.

How much does it snow in Harneys Corner in January?

In Harneys Corner, New Jersey, during January, snow falls for 4.8 days and regularly aggregates up to 1.69" (43mm) of snow.

What is the average length of the day in January in Harneys Corner?

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

What time are sunrise and sunset in January in Harneys Corner?

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 Harneys Corner, sunrise is at 7:08 am and sunset at 5:16 pm EST.

How long on average sun shines in January in Harneys Corner?

The average sunshine duration in January is 5.1h.

What is the month with the lowest UV index in Harneys Corner?

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

What is the UV index reading in January in Harneys Corner?

In January, the average daily maximum UV index in Harneys Corner, New Jersey, is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Harneys Corner, NJ

Average temperature in January - Harneys Corner, 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: 24.8°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 (24.8°F).

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Average pressure in January
Harneys Corner, NJ

Average pressure in January - Harneys Corner, 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).

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Average wind speed in January
Harneys Corner, NJ

Average wind speed in January - Harneys Corner, 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 (5.4mph).

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Average humidity in January
Harneys Corner, NJ

Average humidity in January - Harneys Corner, NJ
  • Average humidity in January: 75%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in January
Harneys Corner, NJ

Average rainfall in January - Harneys Corner, NJ
  • Average rainfall in January: 1.85"

The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in January
Harneys Corner, NJ

Average rainfall days in January - Harneys Corner, NJ
  • Average rainfall days in January: 7.9 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in January
Harneys Corner, NJ

Average snowfall in January - Harneys Corner, NJ
  • Average snowfall in January: 1.69"

The month with the highest snowfall is March (2.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Harneys Corner, NJ

Average snowfall days in January - Harneys Corner, NJ
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is January (4.8 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
Harneys Corner, NJ

Average daylight in January / Average sunshine in January - Harneys Corner, NJ
  • Average daylight in January: 9h and 41min

The month with the longest days is June (Average daylight: 14h and 59min).
The month with the shortest days is December (Average daylight: 9h and 22min).

  • Average sunshine in January: 5h and 6min

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).

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Average sunshine days in January
Harneys Corner, NJ

Average sunshine days in January - Harneys Corner, NJ
  • Average sunshine days in January: 19.5 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in January
Harneys Corner, NJ

Average UV index in January - Harneys Corner, 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).

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Average cloud cover in January
Harneys Corner, NJ

Average cloud cover in January - Harneys Corner, NJ
  • Average cloud cover in January: 44

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in January
Harneys Corner, NJ

Average visibility in January - Harneys Corner, 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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