Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, characterized by an average high temperature of 39.6°F (4.2°C) and a low temperature of 30°F (-1.1°C), is generally the coldest month.Humidity
The months with the lowest humidity are January, March and November, with an average relative humidity of 74%.Rainfall
The month with the least rainfall is January, when the rain falls for 7.4 days and typically collects 0.98" (25mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. January is the month with the most snowfall. Snow falls for 4.3 days and accumulates 1.02" (26mm) of snow.Daylight
In January, the average length of the day is 9h and 44min.On the first day of January, sunrise is at 7:17 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:14 pm EST.
Sunshine
In January, the average sunshine is 5.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold does it get in January?
What are the least humid months?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
What is the snowiest month?
How much does it snow in January?
How many hours of daylight does Barnegat Bay have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Barnegat Bay, NJ
- Average high temperature in January: 39.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in January: 30°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in January
Barnegat Bay, NJ
- Average pressure in January: 30.07"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
Barnegat Bay, NJ
- Average wind speed in January: 12.2mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in January
Barnegat Bay, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in January
Barnegat Bay, NJ
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in January
Barnegat Bay, NJ
- Average rainfall days in January: 7.4 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in January
Barnegat Bay, NJ
- Average snowfall in January: 1.02"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Barnegat Bay, NJ
- Average snowfall days in January: 4.3 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Barnegat Bay, 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 2min
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
Barnegat Bay, NJ
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in January
Barnegat Bay, 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, November and December (UV index 2).
Average cloud cover in January
Barnegat Bay, NJ
- Average cloud cover in January: 42
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in January
Barnegat Bay, 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).
Barnegat Bay, New Jersey, USA
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