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

March weather forecast and climate
Harstad, Norway

Sea temperature

Marzo is the month with the coldest seawater in Harstad, Norway, with an average sea temperature of 3.8°C (38.8°F).
Note: 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.

Daylight

In Marzo, the average length of the day in Harstad is 11.8h.

When is the sea coldest in Harstad?

The month with the coldest seawater is Marzo, with an average sea temperature of 3.8°C (38.8°F).

What is the sea temperature in Marzo in Harstad?

In Marzo, the average sea temperature in Harstad is 3.8°C (38.8°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 Harstad have in Marzo?

The average length of the day in Marzo is 11.8h.
Average sea temperature in March - Harstad, Norway
  • Average sea temperature in March: 3.8°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 March - Harstad, Norway
  • Average daylight in March: 11.8h

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