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

August weather forecast and climate
Dartmouth, Canada

Sea temperature

August is the month with the warmest seawater in Dartmouth, Canada, with an average sea temperature of 17.2°C (63°F).
Note: For most, swimming in 17.2°C (63°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Dartmouth, Canada, the average length of the day in August is 14h.

What is the month with the warmest sea water in Dartmouth?

The month with the warmest seawater in Dartmouth, Canada, is August, with an average sea temperature of 17.2°C (63°F).

How cold is the water in August in Dartmouth?

In Dartmouth, Canada, in August, the average water temperature is 17.2°C (63°F). For most, swimming in 17.2°C (63°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Dartmouth have in August?

The average length of the day in August is 14h.
Average sea temperature in August - Dartmouth, Canada
  • Average sea temperature in August: 17.2°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 August - Dartmouth, Canada
  • Average daylight in August: 14h

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