April weather forecast and climate
Greater Napanee, Canada

Weather in April

Sea temperature

In April, the average sea temperature in Greater Napanee, Canada, is 3.4°C (38.1°F).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

In April, the average length of the day in Greater Napanee is 13.5h.
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FAQ

What is the water temperature in April in Greater Napanee?

In Greater Napanee, the average seawater temperature in April is 3.4°C (38.1°F). 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.

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

In Greater Napanee, Canada, the average length of the day in April is 13.5h.

Average sea temperature in April
Greater Napanee, Canada

Average sea temperature in April - Greater Napanee, Canada
  • Average sea temperature in April: 3.4°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).

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Average daylight in April
Greater Napanee, Canada

Average daylight in April - Greater Napanee, Canada
  • Average daylight in April: 13.5h

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

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