Port Clinton Weather in May

The climate in Port Clinton during May can be summarized as mild and a little damp.

May is in the spring in Port Clinton and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 9°C (49°F) is normal.

On average May is the 4th wettest month of the year in Port Clinton with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.7 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Port Clinton in May 2025.