Port Clinton
Ohio, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Port Clinton, OH

Ocean temperature

In May, the average ocean temperature in Port Clinton, Ohio, is 51.4°F (10.8°C).
Note: Swimming in 51.4°F (10.8°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.

Daylight

In Port Clinton, the average length of the day in May is 14.5h.

How cold is the water in May in Port Clinton?

In Port Clinton, Ohio, the average seawater temperature in May is 51.4°F (10.8°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.

How many hours of daylight does Port Clinton have in May?

In Port Clinton, Ohio, the average length of the day in May is 14.5h.
Average sea temperature in May - Port Clinton, OH
  • Average sea temperature in May: 51.4°F

The best month for swimming (with the highest average sea temperature) is July (76.6°F).
The coldest month (with the lowest average sea temperature) is February (32.3°F).

Average daylight in May - Port Clinton, OH
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.2h).