January weather forecastBelmar, NJ
January
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
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).
Average daylight in January /
Average sunshine in January
Belmar, NJ
- Average daylight in January: 9h and 42min
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 12min
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).
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).
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).
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).
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).





