January weather forecast
Green Creek, NJ

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Weather in January

January, like December, in Green Creek, New Jersey, is another cold winter month, with an average temperature ranging between max 40.5°F (4.7°C) and min 32.2°F (0.1°C).

Temperature

With average high temperatures of 40.5°F (4.7°C) and lows of 32.2°F (0.1°C), January is the coldest month.

Humidity

In January, the average relative humidity is 74%.

Rainfall

The month with the least rainfall is January, when the rain falls for 8.7 days and typically collects 2.13" (54mm) of precipitation.

Snowfall

January through March and December are months with snowfall. In Green Creek, during January, snow falls for 2.4 days and regularly aggregates up to 0.67" (17mm) of snow. Throughout the year, there are 8.3 snowfall days, and 3.11" (79mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 48min.
On the first day of the month, sunrise is at 7:18 am and sunset at 4:47 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:18 pm EST.

Sunshine

In January, the average sunshine in Green Creek is 5.3h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 2 during January translates into the following guidance:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Green Creek?

January tends to be the coldest month, with temperatures averaging a daily high of 40.5°F (4.7°C) and a low of 32.2°F (0.1°C).

How cold is January in Green Creek?

The average high-temperature and low-temperature during January are 40.5°F (4.7°C) and 32.2°F (0.1°C) respectively.

What is the average humidity in January?

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

What is the driest month?

January is the month with the least rainfall. Rain falls for 8.7 days and accumulates 2.13" (54mm) of precipitation.

How many days does it rain in January?

In January, the rain falls for 8.7 days. Throughout January, 2.13" (54mm) of precipitation is accumulated.

How much does it snow in January?

In January, it is snowing for 2.4 days. Throughout January, 0.67" (17mm) of snow is accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 48min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:18 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:18 pm EST.

How long on average sun shines in January?

In January, the average sunshine duration is 5.3h.

When is the lowest UV index?

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

What is the UV index intensity in January?

In Green Creek, the average daily maximum UV index in January 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Green Creek, NJ

Average temperature in January - Green Creek, NJ
  • Average high temperature in January: 40.5°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in January: 32.2°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).

Average pressure in January
Green Creek, NJ

Average pressure in January - Green Creek, NJ
  • Average pressure in January: 30.09"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).

Average wind speed in January
Green Creek, NJ

Average wind speed in January - Green Creek, NJ
  • Average wind speed in January: 13.5mph

The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (9.2mph).

Average humidity in January
Green Creek, NJ

Average humidity in January - Green Creek, NJ
  • Average humidity in January: 74%

The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (73%).

Average rainfall in January
Green Creek, NJ

Average rainfall in January - Green Creek, NJ
  • Average rainfall in January: 2.13"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.13").

Average rainfall days in January
Green Creek, NJ

Average rainfall days in January - Green Creek, NJ
  • Average rainfall days in January: 8.7 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.7 days).

Average snowfall in January
Green Creek, NJ

Average snowfall in January - Green Creek, NJ
  • Average snowfall in January: 0.67"

The month with the highest snowfall is December (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in January
Green Creek, NJ

Average snowfall days in January - Green Creek, NJ
  • Average snowfall days in January: 2.4 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Green Creek, NJ

Average daylight in January / Average sunshine in January - Green Creek, NJ
  • Average daylight in January: 9h and 5min

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 30min).

  • Average sunshine in January: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in January
Green Creek, NJ

Average sunshine days in January - Green Creek, NJ
  • Average sunshine days in January: 18.6 days

The month with the most sunshine days is November (18.9 days).
The months with the least sunshine days are May and June (12.5 days).

Average UV index in January
Green Creek, NJ

Average UV index in January - Green Creek, NJ
  • Average UV index in January: 2

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

Average cloud cover in January
Green Creek, NJ

Average cloud cover in January - Green Creek, NJ
  • Average cloud cover in January: 43

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in January
Green Creek, NJ

Average visibility in January - Green Creek, 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).

Green Creek, New Jersey, USA

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