Weather in January
Ocean temperature
In Mystic Island, New Jersey, the average seawater temperature in January is 43.3°F (6.3°C).Note: Beware of 43.3°F (6.3°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
The average length of the day in January is 9h and 45min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:43 pm. On the last day of January, sunrise is at 7:06 am and sunset at 5:15 pm EST.
Frequently asked questions
What is the ocean temperature in January in Mystic Island?
In January, the average ocean temperature in Mystic Island, New Jersey, is 43.3°F (6.3°C). Swimming in 43.3°F (6.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.
How many hours of daylight does Mystic Island have in January?
In Mystic Island, New Jersey, the average day length in January is 9h and 45min.
When is the sunrise / sunset in January in Mystic Island?
On the first day of January in Mystic Island, New Jersey, sunrise is at 7:17 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:15 pm EST.
Average sea temperature in January
Mystic Island, NJ
- Average sea temperature in January: 43.3°F
The best month for swimming (with the highest average sea temperature) is August (75.8°F).
The coldest month (with the lowest average sea temperature) is February (40.8°F).
Average daylight in January
Mystic Island, NJ
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
Mystic Island, New Jersey, USA
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