Dartmouth
Canada
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Dartmouth, Canada

Sea temperature

In Dartmouth, Canada, in March, the average water temperature is 1°C (33.8°F).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

The average length of the day in March is 12h.

What is the water temperature in March in Dartmouth?

In Dartmouth, the average seawater temperature in March is 1°C (33.8°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.

What is the average length of the day in March in Dartmouth?

In Dartmouth, Canada, the average length of the day in March is 12h.
Average sea temperature in March - Dartmouth, Canada
  • Average sea temperature in March: 1°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 March - Dartmouth, Canada
  • Average daylight in March: 12h

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