Willoughby
Ohio, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Willoughby, OH

Ocean temperature

In Willoughby, Ohio, in April, the average water temperature is 39°F (3.9°C).
Note: For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

In Willoughby, the average length of the day in April is 13.4h.

What is the water temperature in April in Willoughby?

In Willoughby, Ohio, the average seawater temperature in April is 39°F (3.9°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the average length of the day in April in Willoughby?

In April, the average length of the day in Willoughby, Ohio, is 13.4h.
Average sea temperature in April - Willoughby, OH
  • Average sea temperature in April: 39.1°F

The best month for swimming (with the highest average sea temperature) is August (75.7°F).
The coldest month (with the lowest average sea temperature) is February (32.5°F).

Average daylight in April - Willoughby, OH
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).