Harstad
Norway
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Harstad, Norway

Sea temperature

The month with the warmest seawater in Harstad, Norway, is Agosto, with an average sea temperature of 12.3°C (54.1°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In Harstad, the average length of the day in Agosto is 17.6h.

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

The month with the warmest seawater is Agosto, with an average sea temperature of 12.3°C (54.1°F).

What is the sea water temperature in Agosto in Harstad?

In Harstad, in Agosto, the average water temperature is 12.3°C (54.1°F). Swimming in 12.3°C (54.1°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in Agosto in Harstad?

In Agosto, the average length of the day is 17.6h.
Average sea temperature in August - Harstad, Norway
  • Average sea temperature in August: 12.3°C

The best month for swimming (with the highest average sea temperature) is August (12.3°C).
The coldest month (with the lowest average sea temperature) is March (3.8°C).

Average daylight in August - Harstad, Norway
  • Average daylight in August: 17.6h

The month with the longest days is June (Average daylight: 24h).
The month with shortest days is December (Average daylight: 0.1h).