January weather forecast
Darts Mills, NJ

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Weather in January

January, like December, in Darts Mills, New Jersey, is another cold winter month, with temperature in the range of an average high of 35.4°F (1.9°C) and an average low of 23°F (-5°C).

Temperature

Darts Mills, New Jersey, experiences its lowest temperatures in January, with an average peak of 35.4°F (1.9°C) and a low of 23°F (-5°C).

Humidity

In January, the average relative humidity in Darts Mills is 76%.

Rainfall

In Darts Mills, in January, it is raining for 5.5 days, with typically 0.71" (18mm) of accumulated precipitation. In Darts Mills, New Jersey, during the entire year, the rain falls for 112.6 days and collects up to 11.77" (299mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Darts Mills. In Darts Mills, in January, during 4.6 snowfall days, 0.67" (17mm) of snow is typically accumulated. Throughout the year, in Darts Mills, there are 16.7 snowfall days, and 3.98" (101mm) of snow is accumulated.

Daylight

In Darts Mills, the average length of the day in January is 9h and 40min.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:42 pm. On the last day of January, in Darts Mills, sunrise is at 7:09 am and sunset at 5:15 pm EST.

Sunshine

In Darts Mills, the average sunshine in January is 4.8h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Darts Mills?

In Darts Mills, January is the month with the lowest recorded average temperatures, measuring a high of 35.4°F (1.9°C) and a low of 23°F (-5°C).

How cold is January in Darts Mills?

Darts Mills in January has an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 23°F (-5°C).

What is the average humidity in January in Darts Mills?

In January, the average relative humidity in Darts Mills, New Jersey, is 76%.

How many days does it rain in January in Darts Mills?

In Darts Mills, in January, it is raining for 5.5 days, with typically 0.71" (18mm) of accumulated precipitation.

How many days does it snow in January in Darts Mills?

In Darts Mills, in January, during 4.6 snowfall days, 0.67" (17mm) of snow is typically accumulated.

How many hours of daylight does Darts Mills have in January?

In Darts Mills, the average day length in January is 9h and 40min.

What time are sunrise and sunset in January in Darts Mills?

On the first day of January in Darts Mills, New Jersey, sunrise is at 7:22 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:15 pm EST.

How many hours of sunshine does Darts Mills have in January?

In Darts Mills, New Jersey, the average sunshine duration in January is 4.8h.

When is the lowest UV index in Darts Mills?

The months with the lowest UV index in Darts Mills are January through March, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Darts Mills?

In January, the average daily maximum UV index in Darts Mills is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Darts Mills, NJ

Average temperature in January - Darts Mills, NJ
  • Average high temperature in January: 35.4°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in January: 23°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average pressure in January
Darts Mills, NJ

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Darts Mills, NJ

Average wind speed in January - Darts Mills, NJ
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in January
Darts Mills, NJ

Average humidity in January - Darts Mills, NJ
  • Average humidity in January: 76%

The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in January
Darts Mills, NJ

Average rainfall in January - Darts Mills, NJ
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is September (0.63").

Average rainfall days in January
Darts Mills, NJ

Average rainfall days in January - Darts Mills, NJ
  • Average rainfall days in January: 5.5 days

The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (5.5 days).

Average snowfall in January
Darts Mills, NJ

Average snowfall in January - Darts Mills, NJ
  • Average snowfall in January: 0.67"

The month with the highest snowfall is March (1.1").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Darts Mills, NJ

Average snowfall days in January - Darts Mills, NJ
  • Average snowfall days in January: 4.6 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Darts Mills, NJ

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in January
Darts Mills, NJ

Average sunshine days in January - Darts Mills, NJ
  • Average sunshine days in January: 21.4 days

The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is June (15.6 days).

Average UV index in January
Darts Mills, NJ

Average UV index in January - Darts Mills, 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, March, November and December (UV index 2).

Average cloud cover in January
Darts Mills, NJ

Average cloud cover in January - Darts Mills, NJ
  • Average cloud cover in January: 46

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in January
Darts Mills, NJ

Average visibility in January - Darts Mills, NJ
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).

Darts Mills, New Jersey, USA

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