January weather forecast
Belmar, NJ

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Weather in January

January, like December, in Belmar, New Jersey, is a wintry winter month, with an average temperature ranging between max 38.1°F (3.4°C) and min 28.6°F (-1.9°C).

Temperature

In Belmar, January records the lowest average temperatures, peaking at 38.1°F (3.4°C) and reaching a low of 28.6°F (-1.9°C).

Humidity

January, March and November, with an average relative humidity of 74%, are the least humid months.

Rainfall

January is the month with the least rainfall. Rain falls for 9.3 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Belmar. The months with the most snowfall are January, March and December, with an average 1.1" (28mm) of accumulated snow.

Ocean temperature

In January, the average ocean temperature is 42.4°F (5.8°C).
Note: Immersing oneself in 42.4°F (5.8°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.

Daylight

The average length of the day in January is 9h and 42min.
On the first day of the month, sunrise is at 7:18 am and sunset at 4:40 pm. On the last day of January, in Belmar, New Jersey, sunrise is at 7:05 am and sunset at 5:12 pm EST.

Sunshine

In January, the average sunshine is 5.2h.

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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 2 in January translates into these instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are the coldest months in Belmar?

The coldest temperatures in Belmar, New Jersey, occur during January, when averages reach a peak of 38.1°F (3.4°C) and a low of 28.6°F (-1.9°C).

How cold is it in Belmar in January?

In January, in Belmar, the average high-temperature is 38.1°F (3.4°C), and the average low-temperature is 28.6°F (-1.9°C).

What are the least humid months in Belmar?

January, March and November, with an average relative humidity of 74%, are the least humid months.

What is the average humidity in January in Belmar?

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

What is the driest month in Belmar?

The month with the least rainfall is January, when the rain falls for 9.3 days and typically collects 1.93" (49mm) of precipitation.

How many days does it rain in January in Belmar?

In Belmar, in January, it is raining for 9.3 days, with typically 1.93" (49mm) of accumulated precipitation.

What is the snowiest month in Belmar?

The months with the most snowfall in Belmar are January, March and December, with an average 1.1" (28mm) of accumulated snow.

How much does it snow in Belmar in January?

In January, in Belmar, New Jersey, it is snowing for 4.8 days. Throughout January, 1.1" (28mm) of snow is accumulated.

What is the water temperature in January in Belmar?

In January, the average ocean temperature in Belmar, New Jersey, is 42.4°F (5.8°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Belmar have in January?

In January, the average day length in Belmar is 9h and 42min.

When are sunrise and sunset in January in Belmar?

On the first day of January in Belmar, New Jersey, sunrise is at 7:18 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:12 pm EST.

How many hours of sunshine does Belmar have in January?

The average sunshine duration in January is 5.2h.

What are the months with the lowest UV index in Belmar?

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

What is the UV index reading in January in Belmar?

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
44.2°F 6.8°C
38.1°F 3.4°C
40.6°F 4.8°C
Average low temperature
35.8°F 2.1°C
28.6°F -1.9°C
30.2°F -1°C
Average pressure
30.08" 764mmHg
30.06" 764mmHg
30.04" 763mmHg
Average wind speed
11.3mph 18.2km/h
12mph 19.3km/h
11.7mph 18.8km/h
Average max. wind speed
12.1mph 19.5km/h
12.7mph 20.4km/h
12.4mph 20km/h
Average wind speed gusts
17.4mph 28km/h
18.1mph 29.1km/h
18.5mph 29.8km/h
Average humidity
76%
74%
76%
Average rainfall
3.43" 87mm
1.93" 49mm
2.28" 58mm
Average rainfall days
12.3
9.3
10
Average snowfall
1.1" 28mm
1.1" 28mm
0.98" 25mm
Average snowfall days
3.1
4.8
4.3
Average sea temperature
48.1°F 8.9°C
42.4°F 5.8°C
40.4°F 4.7°C
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
5h 1min
5h 1min
4h 5min
Average sunshine days
15.5
17.9
13.8
Average UV index
2
2
2
Average cloud cover
46%
43%
47%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Belmar, NJ

Average temperature in January - Belmar, NJ
  • Average high temperature in January: 38.1°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in January: 28.6°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

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Average pressure in January
Belmar, NJ

Average pressure in January - Belmar, 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).

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Average wind speed in January
Belmar, NJ

Average wind speed in January - Belmar, NJ
  • Average wind speed in January: 12mph

The windiest month (with the highest average wind speed) is January (12mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

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Average humidity in January
Belmar, NJ

Average humidity in January - Belmar, NJ
  • Average humidity in January: 74%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March and November (74%).

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Average rainfall in January
Belmar, NJ

Average rainfall in January - Belmar, NJ
  • Average rainfall in January: 1.93"

The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is January (1.93").

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Average rainfall days in January
Belmar, NJ

Average rainfall days in January - Belmar, NJ
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in January
Belmar, NJ

Average snowfall in January - Belmar, NJ
  • Average snowfall in January: 1.1"

The months with the highest snowfall are January, March and December (1.1").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Belmar, NJ

Average snowfall days in January - Belmar, NJ
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in January
Belmar, NJ

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

The best month for swimming (with the highest average sea temperature) is August (74.8°F).
The coldest month (with the lowest average sea temperature) is February (40.4°F).

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

Average daylight in January / Average sunshine in January - Belmar, 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 54min).

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Average sunshine days in January
Belmar, NJ

Average sunshine days in January - Belmar, NJ
  • Average sunshine days in January: 17.9 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in January
Belmar, NJ

Average UV index in January - Belmar, 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).

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Average cloud cover in January
Belmar, NJ

Average cloud cover in January - Belmar, 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).

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Average visibility in January
Belmar, NJ

Average visibility in January - Belmar, 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).

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Belmar, New Jersey, USA

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