March weather forecast
Portrane, Ireland

March in Portrane ushers in the vernal promise, with the weather showing clear indications of the incoming spring. During this month, daylight hours leap to almost 12 hours, paving for timely outings along the coast. However, sea temperatures dip slightly to 8.4°C (47.1°F) before they begin to climb as part of the spring revival. Transitioning from the chill of February, it is indeed a reminder that the pathways to spring are often a bit nippy. The upcoming month of April predicts a further leap in daylight hours and a delightful rise in sea temperatures.

Sea temperature

The month with the coldest seawater is March, with an average sea temperature of 8.4°C (47.1°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 Portrane, the average length of the day in March is 11h and 54min.
On the first day of the month, sunrise is at 7:10 am and sunset at 6:02 pm. On the last day of March, in Portrane, sunrise is at 5:58 am and sunset at 6:58 pm GMT.