March weather forecast
Ireland

As spring dawns, the weather in Ireland in March experiences a marked shift. Average daily temperatures start to rise, ranging from 6°C (42.8°F) to 10°C (50°F), a significant increase from the colder winter months. Days with temperatures below freezing decrease substantially in March, with coastal regions like Dublin experiencing hardly any.

Compared to February, the temperatures in March are moderately higher, signifying the shift from winter to spring. While April sees further temperature rise, March holds a crucial position as the transition month. Snowfall in March is relatively rare, but frost can still occur, especially during clear nights and in inland regions.

The length of daylight continues to increase in March, with approximately 10 to 12 hours of daylight per day towards the end of the month. Sunshine duration also improves, with Dublin typically recording around 100 hours of sunshine throughout the month, a noteworthy increase from February.

Average rainfall in March is around 60mm (2.36") to 70mm (2.76"), marking a decrease from the winter months. The distribution of rainfall across the country remains similar to previous months, with western areas like Galway receiving more precipitation than eastern areas such as Dublin due to the Atlantic fronts. Wind conditions in the northwestern regions start to moderate, although occasional high winds can still occur.

Sea temperatures around Ireland's coast begin to gradually rise in March, averaging about 8°C (46.4°F) to 9°C (48.2°F). As with previous months, the coastal regions are slightly milder than inland areas due to maritime influence, but severe weather conditions are less frequent.

March signifies the arrival of spring in Ireland, with warming temperatures, increasing daylight hours, and decreasing frost days. While the inland and northern regions may still experience colder and frostier conditions than the coast, the general shift towards spring is evident throughout the country. As such, March brings about a transformation in the landscape as greenery starts to sprout, resonating with Ireland's epithet as the Emerald Isle.

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• Dublin - March »
  The month with the coldest seawater in Dublin is March, with an average sea temperature of 8.4°C (47.1°F). In Dublin, Ireland, in March, during 11 rainfall days, 52mm (2.05") of precipitation is typically accumulated.
• Cork - March »
  The month with the coldest seawater in Cork, Ireland, is March, with an average sea temperature of 9.4°C (48.9°F). In Cork, Ireland, in March, during 18 rainfall days, 87mm (3.43") of precipitation is typically accumulated.
• Galway - March »
  March is the month with the coldest seawater in Galway, Ireland, with an average sea temperature of 9.5°C (49.1°F). With an average sea temperature of 9.5°C (49.1°F), March is the month with the coldest seawater in Galway.
• Limerick - March »
  During 1.2 snowfall days, in March, Limerick aggregates 11mm (0.43") of snow. During 1.2 snowfall days, in March, Limerick aggregates 11mm (0.43") of snow.
• Waterford - March »
  February and March, with an average sea temperature of 8°C (46.4°F), are months with the coldest seawater in Waterford, Ireland. In Waterford in March, the average water temperature is 8°C (46.4°F).
• Drogheda - March »
  With an average sea temperature of 8.3°C (46.9°F), March is the month with the coldest seawater in Drogheda, Ireland. In Drogheda in March, during 13 rainfall days, 21mm (0.83") of precipitation is typically accumulated.
• Dundalk - March »
  In Dundalk during March, the rain falls for 9.8 days and regularly aggregates up to 12mm (0.47") of precipitation. In Dundalk in March, during 9.8 rainfall days, 12mm (0.47") of precipitation is typically accumulated.
• Swords - March »
  In Swords in March, during 17 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Swords, in March, during 17 rainfall days, 53mm (2.09") of precipitation is typically accumulated.
• Bray - March »
  The month with the coldest seawater in Bray is March, with an average sea temperature of 8.4°C (47.1°F). During 0.5 snowfall days, in March, Bray aggregates 1mm (0.04") of snow.
• Kilkenny - March »
  In March, in Kilkenny the rain falls for 12 days. In Kilkenny, during March, snow falls for 2.5 days.
• Ennis - March »
  In Ennis, in March, during 14.1 rainfall days, 29mm (1.14") of precipitation is typically accumulated. On the first day of March in Ennis, Ireland, sunrise is at 7:21 am and sunset at 6:15 pm.