January weather forecast and climate
West Orange, NJ

January, like December, in West Orange, New Jersey, is a wintry winter month, with temperature in the range of an average low of 23.7°F (-4.6°C) and an average high of 35.2°F (1.8°C).

Temperature

The coldest month is January, with an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 23.7°F (-4.6°C).

Humidity

The average relative humidity in West Orange is 75%.

Rainfall

January is the month with the least rainfall in West Orange. Rain falls for 6.1 days and accumulates 0.67" (17mm) of precipitation.

Snowfall

Months with snowfall in West Orange are January through April, October through December. In January, in West Orange, it is snowing for 4.5 days. Throughout January, 0.63" (16mm) of snow is accumulated. Throughout the year, there are 19 snowfall days, and 3.7" (94mm) of snow is accumulated.

Daylight

In West Orange, New Jersey, the average length of the day in January is 9.7h.

Sunshine

In January, the average sunshine is 5.1h.

UV index

Months with the lowest UV index in West Orange are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in West Orange?

The coldest month in West Orange is January, with an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 23.7°F (-4.6°C).

What is the temperature in January in West Orange?

The average high-temperature, in January, in West Orange, is 35.2°F (1.8°C), while the average low-temperature is 23.7°F (-4.6°C).

What is the average humidity in January in West Orange?

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

How many days does it rain in January in West Orange?

In West Orange, in January, during 6.1 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

What is the driest month in West Orange?

January is the month with the least rainfall. Rain falls for 6.1 days and accumulates 0.67" (17mm) of precipitation.

How much does it snow in West Orange in January?

In West Orange, in January, during 4.5 snowfall days, 0.63" (16mm) of snow is typically accumulated.

How many hours of daylight does West Orange have in January?

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

How long on average sun shines in January in West Orange?

In January, the average sunshine in West Orange, New Jersey, is 5.1h.

What is the month with the lowest UV index in West Orange?

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

How high is the UV index in January in West Orange?

In January, the average daily maximum UV index in West Orange, New Jersey, is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to the UV radiation.
Average temperature in January - West Orange, NJ
  • Average high temperature in January: 1.8°C

The warmest month (with the highest average high temperature) is July (28.7°C).
The month with the lowest average high temperature is January (1.8°C).

  • Average low temperature in January: -4.6°C

The month with the highest average low temperature is July (19.8°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).

Average pressure in January - West Orange, NJ
  • Average pressure in January: 1018.1mbar

The month with the highest atmospheric pressure is November (1019.5mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in January - West Orange, NJ
  • Average wind speed in January: 14.3km/h

The windiest month (with the highest average wind speed) is January (14.3km/h).
The calmest months (with the lowest average wind speed) are July and August (9.3km/h).

Average humidity in January - West Orange, NJ
  • Average humidity in January: 75%

Months with the highest relative humidity are February and December (78%).
Months with the lowest relative humidity are April and August (72%).

Average rainfall in January - West Orange, NJ
  • Average rainfall in January: 17mm

The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is January (17mm).

Average rainfall days in January - West Orange, NJ
  • Average rainfall days in January: 6.1 days

The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is January (6.1 days).

Average snowfall in January - West Orange, NJ
  • Average snowfall in January: 16mm

The month with the highest snowfall is March (31mm).
Months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in January - West Orange, NJ
  • Average snowfall days in January: 4.5 days

The month with the highest number of snowfall days is February (5.5 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 15.1h).
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: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.7h).

Average sunshine days in January - West Orange, NJ
  • Average sunshine days in January: 20.8 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (12.5 days).

Average UV index in January - West Orange, 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 - West Orange, NJ
  • Average cloud cover in January: 44

Months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in January - West Orange, 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).