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

January weather forecast and climate
Willoughby, OH

Ocean temperature

In Willoughby, Ohio, the average seawater temperature in January is 34.3°F (1.3°C).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

In January, the average length of the day is 9.6h.

What is the ocean temperature in January in Willoughby?

In Willoughby, the average seawater temperature in January is 34.3°F (1.3°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How many hours of daylight does Willoughby have in January?

In January, the average length of the day in Willoughby, Ohio, is 9.6h.
Average sea temperature in January - Willoughby, OH
  • Average sea temperature in January: 34.3°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 January - Willoughby, OH
  • Average daylight in January: 9.6h

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