January weather forecastBayonne, NJ
January
Weather in January
Beginning the year, January, in Bayonne, New Jersey is characterized by cold temperatures and a moderate amount of precipitation. The area sees the lowest sea temperature of the year, with the average around 41.7°F (5.4°C). While the month experiences shorter days compared to the rest of the year, the city does witness an average of 5.2 hours of sunshine per day, offering some respite to residents. January is notable for being the windiest month, which can lead to frigid conditions when combined with the low temperatures prevalent. Snowfall during this month is relatively moderate, making for a winter that can be managed with appropriate clothing and proactiveness.Temperature
In Bayonne, the month of January is known for its lowest average temperatures, reaching a high of 36.5°F (2.5°C) and a low of 26.1°F (-3.3°C).Humidity
The average relative humidity in January is 74%.Rainfall
In Bayonne, in January, during 9.8 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 162 rainfall days, and 31.97" (812mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Bayonne, in January, during 5.9 snowfall days, 1.65" (42mm) of snow is typically accumulated. In Bayonne, New Jersey, during the entire year, snow falls for 20.2 days and aggregates up to 7.6" (193mm) of snow.Ocean temperature
In Bayonne, the average seawater temperature in January is 41.7°F (5.4°C).Note: Beware of 41.7°F (5.4°C) waters at 55.4°F (13°C), they're uninviting, and a dip below 50°F (10°C) has risks of breath loss and cold shock, contingent on health.
Daylight
In Bayonne, the average length of the day in January is 9h and 40min.On the first day of January in Bayonne, sunrise is at 7:20 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:12 pm EST.
Sunshine
In Bayonne, the average sunshine in January is 5.2h.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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Bayonne, NJ
- Average high temperature in January: 36.5°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in January: 26.1°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in January
Bayonne, 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
Bayonne, NJ
- Average wind speed in January: 10.2mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in January
Bayonne, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are February, May and December (76%).
The month with the lowest relative humidity is August (72%).
Average rainfall in January
Bayonne, NJ
- Average rainfall in January: 1.97"
The wettest months (with the highest rainfall) are July and December (3.35").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in January
Bayonne, NJ
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in January
Bayonne, NJ
- Average snowfall in January: 1.65"
The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Bayonne, NJ
- Average snowfall days in January: 5.9 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Bayonne, NJ
- Average sea temperature in January: 41.7°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in January /
Average sunshine in January
Bayonne, 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 18min).
- Average sunshine in January: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Bayonne, NJ
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in January
Bayonne, 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
Bayonne, NJ
- Average cloud cover in January: 43
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Bayonne, 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).





