January weather forecast and climate
Deans, NJ

January, like December, in Deans, New Jersey, is another cold winter month, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 36.9°F (2.7°C).

Temperature

January is the coldest month, with an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 25.2°F (-3.8°C).

Humidity

The average relative humidity in Deans is 75%.

Rainfall

In Deans, it is raining for 8.8 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, in Deans, New Jersey, there are 155.3 rainfall days, and 29.09" (739mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Deans, New Jersey, are January through May, October through December. In Deans, snow falls for 5.7 days, with typically accumulated 1.69" (43mm) of snow. In Deans, during the entire year, snow falls for 20.7 days, and aggregates up to 9.33" (237mm) of snow.

Daylight

In Deans, the average length of the day in January is 9.7h.

Sunshine

The average sunshine in Deans is 5.1h.

UV index

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Deans?

The coldest month in Deans is January, with an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 25.2°F (-3.8°C).

What is the temperature in January in Deans?

In Deans, in January, the average high-temperature is 36.9°F (2.7°C), and the average low-temperature is 25.2°F (-3.8°C).

What is the average humidity in January in Deans?

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

How much does it rain in Deans in January?

In January, in Deans, New Jersey, the rain falls for 8.8 days. Throughout January, 1.89" (48mm) of precipitation is accumulated.

How many days does it snow in January in Deans?

In Deans, New Jersey, in January, snow falls for 5.7 days, with typically accumulated 1.69" (43mm) of snow.

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

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

How many hours of sunshine does Deans have in January?

In January, the average sunshine is 5.1h.

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

Months with the lowest UV index in Deans, New Jersey, are January through March, November and December, with an average maximum UV index of 2.

What is the UV index reading in January in Deans?

In January, the average daily maximum UV index in Deans is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in January - Deans, NJ
  • Average high temperature in January: 2.7°C

The warmest month (with the highest average high temperature) is July (29.2°C).
The month with the lowest average high temperature is January (2.7°C).

  • Average low temperature in January: -3.8°C

The month with the highest average low temperature is July (20°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).

Average pressure in January - Deans, NJ
  • Average pressure in January: 1018.3mbar

The month with the highest atmospheric pressure is November (1019.6mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

Average wind speed in January - Deans, NJ
  • Average wind speed in January: 14.4km/h

The windiest month (with the highest average wind speed) is March (14.7km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

Average humidity in January - Deans, NJ
  • Average humidity in January: 75%

Months with the highest relative humidity are February, May, October and December (77%).
Months with the lowest relative humidity are April and August (73%).

Average rainfall in January - Deans, NJ
  • Average rainfall in January: 48mm

The wettest month (with the highest rainfall) is December (79mm).
The driest month (with the least rainfall) is September (37mm).

Average rainfall days in January - Deans, NJ
  • Average rainfall days in January: 8.8 days

Months with the highest number of rainy days are May and June (16.2 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in January - Deans, NJ
  • Average snowfall in January: 43mm

The month with the highest snowfall is March (81mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in January - Deans, NJ
  • Average snowfall days in January: 5.7 days

The month with the highest number of snowfall days is February (6 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January / Average sunshine in January - Deans, 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: 9.3h).

  • Average sunshine in January: 5.1h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days in January - Deans, NJ
  • Average sunshine days in January: 17.8 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (12 days).

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

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

Average cloud cover in January - Deans, NJ
  • Average cloud cover in January: 45

Months with the most cloud cover are February and December (Cloud cover 49).
Months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in January - Deans, NJ
  • Average visibility in January: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).