Dublin
Ireland
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Dublin, Ireland

A sunset view of the illuminated Ha Penny Bridge reflected in the water below, in Dublin, Ireland
A sunset view of the illuminated Ha Penny Bridge reflected in the water below, in Dublin, Ireland
August is another wonderful summer month, with mild average day temperatures of 19.4°C (66.9°F). Light rain is frequent but does not last long enough to disrupt the otherwise beautiful weather.
A tour around the River Liffey is one of the best ways to explore Dublin with the aid of the warm August weather. Take advantage of prolonged summer days to visit some of the historic churches, cathedrals, monuments, and parks, while enjoying some of the best food dishes in Ireland.

What is the temperature in August in Dublin?

The average high-temperature, in August, in Dublin, Ireland, is 19.6°C (67.3°F), while the average low-temperature is 13.3°C (55.9°F).

How many days does it rain in August in Dublin?

In Dublin, Ireland, during August, the rain falls for 10 days and regularly aggregates up to 65.3mm (2.6") of precipitation.

What month is the sea warmest in Dublin?

With an average sea temperature of 14.9°C (58.8°F), August is the month with the warmest seawater in Dublin. 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 sea water temperature in August in Dublin?

In August, the average sea temperature in Dublin, Ireland, is 14.9°C (58.8°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.

How many hours of daylight does Dublin have in August?

The average length of the day in August is 14.7h.

How long on average sun shines in August in Dublin?

The average sunshine in August is 5.1h.

What is the UV index intensity in August in Dublin?

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in August - Dublin, Ireland
  • Average high temperature in August: 19.6°C

The warmest month (with the highest average high temperature) is July (20.2°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in August: 13.3°C

The month with the highest average low temperature is July (13.5°C).
Coldest months (with the lowest average low temperature) are January and February (3.9°C).

Average rainfall in August - Dublin, Ireland
  • Average rainfall in August: 65.3mm

The wettest month (with the highest rainfall) is October (76mm).
The driest month (with the lowest rainfall) is February (46.1mm).

Average rainfall days in August - Dublin, Ireland
  • Average rainfall days in August: 10 days

Months with the highest number of rainy days are January, October and December (12 days).
Months with the lowest number of rainy days are June and September (9 days).

Average sea temperature in August - Dublin, Ireland
  • Average sea temperature in August: 14.9°C

The best month for swimming (with the highest average sea temperature) is August (14.9°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).

Average daylight in August / Average sunshine in August - Dublin, Ireland
  • Average daylight in August: 14.7h

The month with the longest days is June (Average daylight: 16.9h).
The month with shortest days is December (Average daylight: 7.6h).

  • Average sunshine in August: 5.1h

The month with most sunshine is May (Average sunshine: 6.3h).
The month with least sunshine is December (Average sunshine: 1.7h).

Average UV index in August - Dublin, Ireland
  • Average UV index in August: 5

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).