January weather forecast
Caldwell, NJ

Share

Weather in January

January, like December, in Caldwell, New Jersey, is a wintry winter month, with temperature in the range of an average high of 34.9°F (1.6°C) and an average low of 22.6°F (-5.2°C).

Temperature

January, noted for its average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 22.6°F (-5.2°C), is considered the coldest month.

Humidity

In January, the average relative humidity is 76%.

Rainfall

The month with the least rainfall in Caldwell is January, when the rain falls for 7.8 days and typically collects 1.57" (40mm) of precipitation.

Snowfall

Months with snowfall in Caldwell are January through May, November and December. In Caldwell, in January, during 6.6 snowfall days, 1.89" (48mm) of snow is typically accumulated. Throughout the year, in Caldwell, there are 24.3 snowfall days, and 9.96" (253mm) of snow is accumulated.

Daylight

The average length of the day in January in Caldwell is 9h and 38min.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:12 pm EST.

Sunshine

In Caldwell, the average sunshine in January is 5h.

UV index

The months with the lowest UV index in Caldwell are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, a regular UV index of 2 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
[Resources]

Frequently asked questions

What is the coldest month in Caldwell?

Caldwell witnesses the coldest weather in January, with temperatures averaging a high of 34.9°F (1.6°C) and a low of 22.6°F (-5.2°C).

How cold is January in Caldwell?

The average high-temperature and low-temperature in Caldwell during January are 34.9°F (1.6°C) and 22.6°F (-5.2°C) respectively.

What is the average humidity in January in Caldwell?

The average relative humidity in January in Caldwell is 76%.

What is the driest month in Caldwell?

The month with the least rainfall is January, when the rain falls for 7.8 days and typically collects 1.57" (40mm) of precipitation.

How many days does it rain in January in Caldwell?

In Caldwell, New Jersey, in January, it is raining for 7.8 days, with typically 1.57" (40mm) of accumulated precipitation.

How much does it snow in Caldwell in January?

In January, in Caldwell, it is snowing for 6.6 days. Throughout January, 1.89" (48mm) of snow is accumulated.

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

In January, the average day length is 9h and 38min.

What time are sunrise and sunset in January in Caldwell?

In January, on the first day of the month, sunrise is at 7:21 am and sunset at 4:39 pm. On the last day of the month, in Caldwell, sunrise is at 7:08 am and sunset at 5:12 pm EST.

How long on average sun shines in January in Caldwell?

The average sunshine duration in January in Caldwell, New Jersey, is 5h.

When is the lowest UV index in Caldwell?

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

How high is the UV index in January in Caldwell?

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

Average temperature in January - Caldwell, NJ
  • Average high temperature in January: 34.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in January: 22.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

[Resources]

Average pressure in January
Caldwell, NJ

Average pressure in January - Caldwell, NJ
  • Average pressure in January: 30.06"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).

[Resources]

Average wind speed in January
Caldwell, NJ

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

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

[Resources]

Average humidity in January
Caldwell, NJ

Average humidity in January - Caldwell, NJ
  • Average humidity in January: 76%

The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are April and August (73%).

[Resources]

Average rainfall in January
Caldwell, NJ

Average rainfall in January - Caldwell, NJ
  • Average rainfall in January: 1.57"

The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is January (1.57").

[Resources]

Average rainfall days in January
Caldwell, NJ

Average rainfall days in January - Caldwell, NJ
  • Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).

[Resources]

Average snowfall in January
Caldwell, NJ

Average snowfall in January - Caldwell, NJ
  • Average snowfall in January: 1.89"

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August, September and October (0").

[Resources]

Average snowfall days in January
Caldwell, NJ

Average snowfall days in January - Caldwell, NJ
  • Average snowfall days in January: 6.6 days

The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 5h and 0min

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).

[Resources]

Average sunshine days in January
Caldwell, NJ

Average sunshine days in January - Caldwell, NJ
  • Average sunshine days in January: 18.5 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.7 days).

[Resources]

Average UV index in January
Caldwell, NJ

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

[Resources]

Average cloud cover in January
Caldwell, NJ

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

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

[Resources]

Average visibility in January
Caldwell, NJ

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

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

[Resources]

Caldwell, New Jersey, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location