Weather in April
Ocean temperature
In Mystic Island, New Jersey, in April, the average water temperature is 46.6°F (8.1°C).Note: Without suitable protection, venturing into 46.6°F (8.1°C) waters cooler than 50°F (10°C) can lead to pronounced cold shock and rapid breaths.
Daylight
The average length of the day in April in Mystic Island, New Jersey, is 13h and 16min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:21 pm. On the last day of April, sunrise is at 5:58 am and sunset at 7:50 pm EDT.
Frequently asked questions
How cold is the water in April in Mystic Island?
In Mystic Island, New Jersey, the average seawater temperature in April is 46.6°F (8.1°C). Swimming in 46.6°F (8.1°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.
What is the average length of the day in April in Mystic Island?
The average day length in April in Mystic Island, New Jersey, is 13h and 16min.
What time are sunrise and sunset in April in Mystic Island?
On the first day of April, sunrise is at 6:40 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 7:50 pm EDT.
Average sea temperature in April
Mystic Island, NJ
- Average sea temperature in April: 46.5°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 April
Mystic Island, NJ
- Average daylight in April: 13h and 2min
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
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
