January weather forecast
Carpentersville, NJ

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Weather in January

January, like December, in Carpentersville, New Jersey, is an icy winter month, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 34.3°F (1.3°C).

Temperature

January, known for its average high temperature of 34.3°F (1.3°C) and an average low temperature of 21.6°F (-5.8°C), is the coldest month.

Humidity

The average relative humidity in January is 78%.

Rainfall

In Carpentersville, during January, the rain falls for 7.1 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Carpentersville, during the entire year, the rain falls for 124.4 days and collects up to 13.39" (340mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In January, it is snowing for 6.7 days. Throughout January, 1.22" (31mm) of snow is accumulated. Throughout the year, there are 22 snowfall days, and 5" (127mm) of snow is accumulated.

Daylight

In Carpentersville, the average length of the day in January is 9h and 40min.
On the first day of January in Carpentersville, sunrise is at 7:24 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:16 pm EST.

Sunshine

In Carpentersville, the average sunshine in January is 4.9h.

UV index

January through March, November 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 low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January, with an average high of 34.3°F (1.3°C) and a low of 21.6°F (-5.8°C), signifies the coldest month of the year.

How cold is January?

The average high-temperature and low-temperature during January are 34.3°F (1.3°C) and 21.6°F (-5.8°C) respectively.

What is the average humidity in January?

The average relative humidity in January in Carpentersville is 78%.

How much does it rain in January?

In Carpentersville, in January, it is raining for 7.1 days, with typically 0.87" (22mm) of accumulated precipitation.

How much does it snow in January?

In January, it is snowing for 6.7 days. Throughout January, 1.22" (31mm) of snow is accumulated.

How many hours of daylight does Carpentersville have in January?

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

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:24 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:16 pm EST.

How many hours of sunshine does Carpentersville have in January?

In January, the average sunshine duration is 4.9h.

When is the lowest UV index?

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

How high is the UV index in January?

In Carpentersville, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Carpentersville, NJ

Average temperature in January - Carpentersville, NJ
  • Average high temperature in January: 34.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in January
Carpentersville, NJ

Average pressure in January - Carpentersville, 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).

Average wind speed in January
Carpentersville, NJ

Average wind speed in January - Carpentersville, NJ
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in January
Carpentersville, NJ

Average humidity in January - Carpentersville, NJ
  • Average humidity in January: 78%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in January
Carpentersville, NJ

Average rainfall in January - Carpentersville, NJ
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in January
Carpentersville, NJ

Average rainfall days in January - Carpentersville, NJ
  • Average rainfall days in January: 7.1 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in January
Carpentersville, NJ

Average snowfall in January - Carpentersville, NJ
  • Average snowfall in January: 1.22"

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Carpentersville, NJ

Average snowfall days in January - Carpentersville, NJ
  • Average snowfall days in January: 6.7 days

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Carpentersville, 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 36min).

Average sunshine days in January
Carpentersville, NJ

Average sunshine days in January - Carpentersville, NJ
  • Average sunshine days in January: 20.1 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (14 days).

Average UV index in January
Carpentersville, NJ

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

The months with the highest UV index are June and July (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
Carpentersville, NJ

Average cloud cover in January - Carpentersville, NJ
  • Average cloud cover in January: 46

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

Average visibility in January
Carpentersville, NJ

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

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

Carpentersville, New Jersey, USA

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