Weather in May
Ocean temperature
In Cobb Island, Maryland, in May, the average water temperature is 59.2°F (15.1°C).Note: Most individuals do not find swimming at 59.2°F (15.1°C) to be enjoyable. As the water temperature declines below 69.8°F (21°C), maintaining control over one's breathing becomes harder.
Daylight
In May, the average length of the day is 14h and 16min.On the first day of May, sunrise is at 6:09 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:24 pm EDT.
Updated: Jul 24, 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
What is the ocean temperature in May?
In May, the average ocean temperature is 59.2°F (15.1°C). Swimming in 59.2°F (15.1°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).
What is the average length of the day in May?
The average day length in May is 14h and 16min.
What time are sunrise and sunset in May?
On the first day of May, sunrise is at 6:09 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:24 pm EDT.
Average sea temperature in May
Cobb Island, MD
- Average sea temperature in May: 59.2°F
The best month for swimming (with the highest average sea temperature) is August (78.4°F).
The coldest month (with the lowest average sea temperature) is February (47.1°F).
Average daylight in May
Cobb Island, MD
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
Cobb Island, Maryland, USA
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