Dublin
Ireland
Long-term weather forecast
Long-term weather forecast
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August weather forecast and Climate
Dublin, Ireland

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A sunset view of the illuminated Ha Penny Bridge reflected in the water below, found in Dublin, Ireland
A sunset view of the illuminated Ha Penny Bridge reflected in the water below, found 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.
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  • The 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).

  • The 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).

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  • The 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).

  • The 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).

  • The 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).

  • The average daylight in August: 15h

The month with the longest days is June (Average daylight: 17h).
Months with shortest days are January and December (Average daylight: 8h).

  • The 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).

  • The 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).

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