January weather forecastVentnor City, NJ

January

Weather in January

January, the same as December, is a wintry winter month in Ventnor City, New Jersey, with an average temperature ranging between min 30.6°F (-0.8°C) and max 40.1°F (4.5°C).

Temperature

January is Ventnor City's coldest month, registering average high temperatures of 40.1°F (4.5°C) and lows of 30.6°F (-0.8°C).

Humidity

In Ventnor City, the average relative humidity in January is 74%.

Rainfall

The month with the least rainfall is January, when the rain falls for 8.2 days and typically collects 1.1" (28mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 4 days and accumulates 1.02" (26mm) of snow.

Ocean temperature

In January, the average ocean temperature is 42.4°F (5.8°C).
Note: Diving into 42.4°F (5.8°C) is practical below 50°F (10°C), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 55.4°F (13°C) feels ice-cold.

Daylight

The average length of the day in January in Ventnor City is 9h and 46min.
On the first day of January, sunrise is at 7:17 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:16 pm EST.

Sunshine

The average sunshine in January is 5.4h.

UV index

January 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 health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To protect against the Sun's most potent rays, avoid direct exposure around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January, marked by an average high-temperature of 40.1°F (4.5°C) and a low-temperature of 30.6°F (-0.8°C), is the coldest month.

In Ventnor City, in January, the average high-temperature is 40.1°F (4.5°C), and the average low-temperature is 30.6°F (-0.8°C).

In January, the average relative humidity is 74%.

The month with the least rainfall is January, when the rain falls for 8.2 days and typically collects 1.1" (28mm) of precipitation.

In Ventnor City, in January, it is raining for 8.2 days, with typically 1.1" (28mm) of accumulated precipitation.

January is the month with the most snowfall. Snow falls for 4 days and accumulates 1.02" (26mm) of snow.

In Ventnor City, New Jersey, in January, during 4 snowfall days, 1.02" (26mm) of snow is typically accumulated.

In Ventnor City, in January, the average water temperature is 42.4°F (5.8°C). Swimming in 42.4°F (5.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

The average day length in January is 9h and 46min.

In January, on the first day of the month, sunrise is at 7:17 am and sunset at 4:44 pm. On the last day of the month, in Ventnor City, sunrise is at 7:05 am and sunset at 5:16 pm EST.

In January, the average sunshine duration is 5.4h.

The months with the lowest UV index in Ventnor City are January and December, with an average maximum UV index of 2.

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Ventnor City, NJ

  • Average high temperature in January: 40.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in January: 30.6°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in January
Ventnor City, 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 (29.94"Hg).

Average wind speed in January
Ventnor City, NJ

  • Average wind speed in January: 11.7mph

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (8mph).

Average humidity in January
Ventnor City, NJ

  • Average humidity in January: 74%

The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is November (73%).

Average rainfall in January
Ventnor City, NJ

  • Average rainfall in January: 1.1"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (1.1").

Average rainfall days in January
Ventnor City, NJ

  • Average rainfall days in January: 8.2 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in January
Ventnor City, NJ

  • Average snowfall in January: 1.02"

The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Ventnor City, NJ

  • Average snowfall days in January: 4 days

The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in January
Ventnor City, NJ

  • Average sea temperature in January: 42.5°F

The best month for swimming (with the highest average sea temperature) is August (76.6°F).
The coldest month (with the lowest average sea temperature) is February (40.5°F).

Average daylight in January /
Average sunshine in January
Ventnor City, NJ

  • Average daylight in January: 9h and 48min

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 24min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in January
Ventnor City, NJ

  • Average sunshine days in January: 19.3 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (13.1 days).

Average UV index in January
Ventnor City, 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 and December (UV index 2).

Average cloud cover in January
Ventnor City, NJ

  • Average cloud cover in January: 41

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in January
Ventnor City, 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).