January weather forecast
Monmouth Beach, NJ

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Weather in January

January, the same as December, is another cold winter month in Monmouth Beach, New Jersey, with an average temperature fluctuating between 38.3°F (3.5°C) and 28.9°F (-1.7°C).

Temperature

The coldest period is January, when temperatures fluctuate between an average high of 38.3°F (3.5°C) and a low of 28.9°F (-1.7°C).

Humidity

In January, the average relative humidity is 74%.

Rainfall

January is the month with the least rainfall. Rain falls for 6.9 days and accumulates 0.55" (14mm) of precipitation.

Snowfall

January through March, October and December are months with snowfall. In Monmouth Beach, during January, snow falls for 4.2 days and regularly aggregates up to 0.28" (7mm) of snow. Throughout the year, in Monmouth Beach, New Jersey, there are 14.6 snowfall days, and 1.38" (35mm) of snow is accumulated.

Ocean temperature

In Monmouth Beach, in January, the average water temperature is 42.4°F (5.8°C).
Note: Swimming in 42.4°F (5.8°C) poses a severe threat. Even short exposure to 55.4°F (13°C) is chilling, and going below 50°F (10°C) can cause breathing irregularities and intense cold shock, based on one's stamina.

Daylight

In January, the average length of the day is 9h and 41min.
On the first day of January, sunrise is at 7:18 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:12 pm EST.

Sunshine

The average sunshine in January is 5.1h.

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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In January, the maximum UV index of 2 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January is Monmouth Beach's coldest month, registering average high temperatures of 38.3°F (3.5°C) and lows of 28.9°F (-1.7°C).

How cold is January?

In Monmouth Beach, 38.3°F (3.5°C) is the average high-temperature and 28.9°F (-1.7°C) is the average low-temperature during January.

What is the average humidity in January?

In Monmouth Beach, the average relative humidity in January is 74%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 6.9 days and typically collects 0.55" (14mm) of precipitation.

How many days does it rain in January?

In Monmouth Beach, in January, during 6.9 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Monmouth Beach, during January, snow falls for 4.2 days and regularly aggregates up to 0.28" (7mm) of snow.

What is the water temperature in January?

In Monmouth Beach, 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.

How many hours of daylight does Monmouth Beach have in January?

In Monmouth Beach, the average day length in January is 9h and 41min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:18 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:12 pm EST.

How long on average sun shines in January in Monmouth Beach?

In Monmouth Beach, the average sunshine duration in January is 5.1h.

What is the month with the lowest UV index?

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

What is the UV index intensity in January?

In Monmouth Beach, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Monmouth Beach, NJ

Average temperature in January - Monmouth Beach, NJ
  • Average high temperature in January: 38.3°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in January: 28.9°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).

Average pressure in January
Monmouth Beach, NJ

Average pressure in January - Monmouth Beach, 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).

Average wind speed in January
Monmouth Beach, NJ

Average wind speed in January - Monmouth Beach, NJ
  • Average wind speed in January: 12.6mph

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in January
Monmouth Beach, NJ

Average humidity in January - Monmouth Beach, NJ
  • Average humidity in January: 74%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is November (73%).

Average rainfall in January
Monmouth Beach, NJ

Average rainfall in January - Monmouth Beach, NJ
  • Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in January
Monmouth Beach, NJ

Average rainfall days in January - Monmouth Beach, NJ
  • Average rainfall days in January: 6.9 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is November (6.8 days).

Average snowfall in January
Monmouth Beach, NJ

Average snowfall in January - Monmouth Beach, NJ
  • Average snowfall in January: 0.28"

The month with the highest snowfall is December (0.47").
The months with the least snowfall are April, May, June, July, August, September and November (0").

Average snowfall days in January
Monmouth Beach, NJ

Average snowfall days in January - Monmouth Beach, NJ
  • Average snowfall days in January: 4.2 days

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in January
Monmouth Beach, NJ

Average sea temperature in January - Monmouth Beach, NJ
  • Average sea temperature in January: 42.4°F

The best month for swimming (with the highest average sea temperature) is August (74.5°F).
The coldest month (with the lowest average sea temperature) is February (40.1°F).

Average daylight in January /
Average sunshine in January
Monmouth Beach, NJ

Average daylight in January / Average sunshine in January - Monmouth Beach, 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 24min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Monmouth Beach, NJ

Average sunshine days in January - Monmouth Beach, NJ
  • Average sunshine days in January: 21.4 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in January
Monmouth Beach, NJ

Average UV index in January - Monmouth Beach, 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).

Average cloud cover in January
Monmouth Beach, NJ

Average cloud cover in January - Monmouth Beach, NJ
  • Average cloud cover in January: 43

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in January
Monmouth Beach, NJ

Average visibility in January - Monmouth Beach, 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).

Monmouth Beach, New Jersey, USA

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