Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Zumaia, Spain

Sea temperature

In Zumaia, Spain, the average seawater temperature in March is 12.6°C (54.7°F).
Note: Swimming in 12.6°C (54.7°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.


In Zumaia, the average length of the day in March is 12h.

What is the water temperature in March in Zumaia?

In Zumaia, in March, the average water temperature is 12.6°C (54.7°F). 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.

How many hours of daylight does Zumaia have in March?

In Zumaia, the average length of the day in March is 12h.
Average sea temperature in March - Zumaia, Spain
  • Average sea temperature in March: 12.6°C

The best month for swimming (with the highest average sea temperature) is August (21.3°C).
The coldest month (with the lowest average sea temperature) is February (12.4°C).

Average daylight in March - Zumaia, Spain
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 15.4h).
The month with shortest days is December (Average daylight: 9h).