April weather forecastMystic Island, NJ
April
Weather in April
Ocean temperature
In Mystic Island, New Jersey, in April, the average water temperature is 46.6°F (8.1°C).Note: Dipping into 46.6°F (8.1°C) below 50°F (10°C) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 55.4°F (13°C) feels cold to the bone.
Daylight
The average length of the day in April is 13h and 16min.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.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In April, the average ocean temperature is 46.6°F (8.1°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.
In Mystic Island, the average day length in April is 13h and 16min.
In April, on the first day of the month, 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 18min
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).
