Weather in March
As spring emerges in
March,
Arklow residents experience an increase in daylight hours to 11.9 hours and a sea temperature of 8.5°C (47.3°F). The rise in hours of sunlight signals a slow return to outdoor activities despite sea temperatures that continue to linger in the chilly range. Changes in weather patterns become more evident as the season transitions, making March a variable month in terms of weather consistency.
Sea temperature
The month with the coldest seawater is March, with an average sea temperature of 8.5°C (47.3°F).
Note: Beware of 8.5°C (47.3°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health.
Daylight
The average length of the day in March is 11h and 54min.
On the first day of March, sunrise is at 7:09 am and sunset at 6:03 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 6:57 pm GMT.