Cairnryan
United Kingdom
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Cairnryan, United Kingdom

Sea temperature

With an average sea temperature of 7.8°C (46°F), March is the month with the coldest seawater in Cairnryan, United Kingdom.
Note: Swimming in 7.8°C (46°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.

Daylight

In March, the average length of the day in Cairnryan is 11.9h.

What is the month with the coldest sea water in Cairnryan?

March is the month with the coldest seawater in Cairnryan, with an average sea temperature of 7.8°C (46°F).

What is the sea water temperature in March in Cairnryan?

In Cairnryan, United Kingdom, in March, the average water temperature is 7.8°C (46°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.

What is the average length of the day in March in Cairnryan?

The average length of the day in March in Cairnryan is 11.9h.
Average sea temperature in March - Cairnryan, United Kingdom
  • Average sea temperature in March: 7.8°C

Best months for swimming (with the highest average sea temperature) are August and September (14.3°C).
The coldest month (with the lowest average sea temperature) is March (7.8°C).

Average daylight in March - Cairnryan, United Kingdom
  • Average daylight in March: 11.9h

The month with the longest days is June (Average daylight: 17.3h).
The month with shortest days is December (Average daylight: 7.3h).