Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Dartmouth, Canada

Sea temperature

In Dartmouth, Canada, in April, the average water temperature is 2.8°C (37°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.


In Dartmouth, the average length of the day in April is 13.5h.

How cold is the water in April in Dartmouth?

In Dartmouth, Canada, the average seawater temperature in April is 2.8°C (37°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 Dartmouth have in April?

In April, the average length of the day in Dartmouth, Canada, is 13.5h.
Average sea temperature in April - Dartmouth, Canada
  • Average sea temperature in April: 2.8°C

The best month for swimming (with the highest average sea temperature) is August (17.2°C).
The coldest month (with the lowest average sea temperature) is February (0.8°C).

Average daylight in April - Dartmouth, Canada
  • Average daylight in April: 13.5h

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