January weather forecast
Atco, NJ

Share

Weather in January

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

Temperature

January, recording an average high temperature of 38.5°F (3.6°C) and a low temperature of 26.8°F (-2.9°C), is Atco's coldest month.

Humidity

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

Rainfall

The month with the least rainfall 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. The months with the most snowfall are January and February, with an average 1.06" (27mm) of accumulated snow.

Daylight

In January, the average length of the day in Atco is 9h and 44min.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:45 pm. On the last day of January, in Atco, sunrise is at 7:08 am and sunset at 5:17 pm EST.

Sunshine

The average sunshine in January in Atco is 5.1h.

UV index

The months with the lowest UV index in Atco 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 vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 2 during January translates into the following guidance:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Stay sun-safe with clothing that is both closely woven and worn loosely. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
[Resources]

Frequently asked questions

What month is the coldest in Atco?

January is the month when Atco experiences its coldest temperatures, averaging a high of 38.5°F (3.6°C) and a low of 26.8°F (-2.9°C).

How cold does it get in Atco in January?

In Atco, in January, the average high-temperature is 38.5°F (3.6°C), and the average low-temperature is 26.8°F (-2.9°C).

What is the average humidity in January in Atco?

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

What is the driest month in Atco?

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

How much does it rain in Atco in January?

In Atco, during January, the rain falls for 6.5 days and regularly aggregates up to 0.63" (16mm) of precipitation.

What is the snowiest month in Atco?

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

How much does it snow in Atco in January?

In Atco, New Jersey, in January, during 3.8 snowfall days, 1.06" (27mm) of snow is typically accumulated.

What is the average length of the day in January in Atco?

The average day length in January is 9h and 44min.

When is the sunrise / sunset in January in Atco?

In January, on the first day of the month, sunrise is at 7:20 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:17 pm EST.

How long on average sun shines in January in Atco?

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

When is the lowest UV index in Atco?

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

How high is the UV index in January in Atco?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat 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
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).

[Resources]

Average pressure in January
Atco, NJ

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

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

[Resources]

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).

[Resources]

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%).

[Resources]

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").

[Resources]

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).

[Resources]

Average snowfall in January
Atco, NJ

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

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

[Resources]

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).
The months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Atco, NJ

Average daylight in January / Average sunshine in January - Atco, NJ
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

[Resources]

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).

[Resources]

Average UV index in January
Atco, NJ

Average UV index in January - Atco, 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, November and December (UV index 2).

[Resources]

Average cloud cover in January
Atco, NJ

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

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

[Resources]

Average visibility in January
Atco, NJ

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

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

[Resources]

Atco, New Jersey, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location