Weather in May
Ocean temperature
In Mystic Island, New Jersey, in May, the average water temperature is 54.9°F (12.7°C).Note: Swimming at temperatures less than 50°F (10°C) in 54.9°F (12.7°C) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 55.4°F (13°C) without adequate warmth can be discomforting.
Daylight
The average length of the day in May is 14h and 22min.On the first day of May, sunrise is at 5:57 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:18 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
How cold is the water in May?
In Mystic Island, in May, the average water temperature is 54.9°F (12.7°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.
What is the average length of the day in May in Mystic Island?
In May, the average day length is 14h and 22min.
When is the sunrise / sunset in May?
On the first day of May, sunrise is at 5:57 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:18 pm EDT.
Average sea temperature in May
Mystic Island, NJ
- Average sea temperature in May: 54.9°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 May
Mystic Island, NJ
- Average daylight in May: 14h 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
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