January weather forecast and climate
Atco, NJ

Weather in January

January, like December, in Atco, New Jersey, is another cold winter month, with average temperature ranging between max 38.5°F (3.6°C) and min 26.8°F (-2.9°C).

Temperature

January is the coldest month, with an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 26.8°F (-2.9°C).

Humidity

The average relative humidity in Atco is 74%.

Rainfall

The month with the least rainfall in Atco, New Jersey, is January when the rain falls for 6.5 days and typically collects 0.63" (16mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Atco. Months with the most snowfall in Atco are January and February, with an average 1.06" (27mm) of accumulated snow.

Daylight

In Atco, the average length of the day is 9.7h.

Sunshine

The average sunshine is 5.1h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Atco?

With an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 26.8°F (-2.9°C), January is the coldest month in Atco, New Jersey.

What is the temperature in January in Atco?

The average high-temperature, in January, in Atco, New Jersey, is 38.5°F (3.6°C), while the average low-temperature is 26.8°F (-2.9°C).

What is the average humidity in January in Atco?

In January, the average relative humidity in Atco, New Jersey, is 74%.

How many days does it rain in January in Atco?

In Atco, in January, during 6.5 rainfall days, 0.63" (16mm) of precipitation is typically accumulated.

What is the driest month in Atco?

January is the month with the least rainfall in Atco, New Jersey. Rain falls for 6.5 days and accumulates 0.63" (16mm) of precipitation.

How much does it snow in Atco in January?

In January, in Atco, it is snowing for 3.8 days. Throughout January, 1.06" (27mm) of snow is accumulated.

What is the snowiest month in Atco?

Months with the most snowfall in Atco are January and February, with an average 1.06" (27mm) of accumulated snow.

How many hours of daylight does Atco have in January?

The average length of the day in January in Atco is 9.7h.

How many hours of sunshine does Atco have in January?

In Atco, the average sunshine in January is 5.1h.

What is the month with the lowest UV index in Atco?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Atco, New Jersey.

What is the UV index intensity in January in Atco?

The average daily maximum UV index in January in Atco, New Jersey, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in January
Atco, NJ

Average temperature in January - Atco, NJ
  • Average high temperature in January: 38.5°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in January: 26.8°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in January
Atco, NJ

Average pressure in January - Atco, NJ
  • Average pressure in January: 30.08"

The month with the highest atmospheric pressure is November (30.12").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in January
Atco, NJ

Average wind speed in January - Atco, NJ
  • Average wind speed in January: 8.5mph

The windiest months (with the highest average wind speed) are March and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in January
Atco, NJ

Average humidity in January - Atco, NJ
  • Average humidity in January: 74%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in January
Atco, NJ

Average rainfall in January - Atco, NJ
  • Average rainfall in January: 0.63"

The wettest month (with the highest rainfall) is July (1.42").
The driest month (with the least rainfall) is January (0.63").

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Average rainfall days in January
Atco, NJ

Average rainfall days in January - Atco, NJ
  • Average rainfall days in January: 6.5 days

The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall in January
Atco, NJ

Average snowfall in January - Atco, NJ
  • Average snowfall in January: 1.06"

Months with the highest snowfall are January and February (1.06").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Atco, NJ

Average snowfall days in January - Atco, NJ
  • Average snowfall days in January: 3.8 days

The month with the highest number of snowfall days is February (4 days).
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
Atco, NJ

Average daylight in January / Average sunshine in January - Atco, NJ
  • Average daylight in January: 9.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in January: 5.1h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 5h).

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Average sunshine days in January
Atco, NJ

Average sunshine days in January - Atco, NJ
  • Average sunshine days in January: 21.1 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (13.9 days).

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Average UV index in January
Atco, NJ

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

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Atco, NJ

Average cloud cover in January - Atco, NJ
  • Average cloud cover in January: 43

Months with the most cloud cover are February and March (Cloud cover 46).
Months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in January
Atco, NJ

Average visibility in January - Atco, NJ
  • Average visibility in January: 6mi

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

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