Weather in Ireland in August

In August, Ireland experiences mild to warm temperatures, moderate rainfall, gentle winds, and extended daylight hours, characteristic of its late summer season.

Overview of the Weather in Ireland in August

• Temperature: Average daily temperatures range from lows of 11°C (52°F) to highs of 18°C (64°F).
• Rainfall: Varies by region; for example, Dublin averages 70 mm (2.8 inches) over 11 days, while Galway sees about 107.8 mm (4.2 inches) over 19 days.
• Wind Speed: August experiences gentle winds, with average speeds around 11 km/h (7 mph).
• Daylight Hours: Approximately 14 to 15 hours per day; sunrise around 5:41 AM, sunset near 9:20 PM.

August Weather in Ireland: A Closer Look

Temperature

August continues the summer warmth in Ireland, with average temperatures ranging from 11°C (52°F) to 18°C (64°F). Coastal areas, influenced by the Atlantic Ocean, tend to be milder, while inland regions may experience slightly warmer daytime temperatures.

Rainfall

Rainfall varies across Ireland in August. Eastern regions like Dublin receive about 70 mm (2.8 inches) over 11 days, making them relatively drier. In contrast, western areas such as Galway experience higher rainfall, averaging 107.8 mm (4.2 inches) over 19 days during the month.

Wind Speed

August experiences gentle winds, with average speeds around 11 km/h (7 mph). Coastal regions, especially along the west, may experience slightly stronger gusts due to Atlantic weather systems.

Daylight Hours

Daylight remains ample in August, with approximately 14 to 15 hours of light daily. The sun typically rises around 5:41 AM and sets near 9:20 PM, providing extended daylight for outdoor activities.

Ireland vs Northern Ireland Weather in August 2025

While both regions share similar climates, subtle differences exist:

• Temperature: Northern Ireland’s average temperatures are slightly lower, with daily averages around 15°C (59°F), compared to Ireland’s average of 15.2°C (59.4°F).
• Rainfall: Northern Ireland experiences marginally higher rainfall, averaging 90 mm (3.5 inches) in August, compared to Dublin’s 70 mm (2.8 inches).
• Wind: Both regions experience gentle winds in August, with coastal areas experiencing higher gusts.
• Daylight: Daylight hours are similar, with both regions experiencing about 14 to 15 hours of daylight during August.

In summary, while Ireland and Northern Ireland share comparable August weather patterns, Northern Ireland tends to be slightly cooler and wetter.