Greater Napanee
Canada
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Greater Napanee, Canada

Sea temperature

In January, the average sea temperature in Greater Napanee, Canada, is 3.3°C (37.9°F).
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 9.3h.

What is the sea temperature in January in Greater Napanee?

In Greater Napanee, the average seawater temperature in January is 3.3°C (37.9°F). 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.

How many hours of daylight does Greater Napanee have in January?

In January, the average length of the day in Greater Napanee, Canada, is 9.3h.
Average sea temperature in January - Greater Napanee, Canada
  • Average sea temperature in January: 3.3°C

The best month for swimming (with the highest average sea temperature) is August (22.3°C).
The coldest month (with the lowest average sea temperature) is March (1.9°C).

Average daylight in January - Greater Napanee, Canada
  • Average daylight in January: 9.3h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).