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

December weather forecast and climate
Harstad, Norway

Sea temperature

In Diciembre, the average sea temperature in Harstad, Norway, is 6.4°C (43.5°F).
Note: Swimming in 6.4°C (43.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The month with the shortest days is Diciembre, with an average of 0.1h of daylight.

What is the sea water temperature in Diciembre in Harstad?

In Diciembre, the average sea temperature in Harstad, Norway, is 6.4°C (43.5°F). Swimming in 6.4°C (43.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Harstad?

With an average of 0.1h of daylight, Diciembre has the shortest days of the year in Harstad.

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

In Harstad, the average length of the day in Diciembre is 0.1h.
Average sea temperature in December - Harstad, Norway
  • Average sea temperature in December: 6.4°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 December - Harstad, Norway
  • Average daylight in December: 0.1h

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