Ireland

Ireland Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Ireland in August.

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Dublin Killarney Galway Cork

Are you planning a trip a to Ireland in August and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Ireland in August

August in Ireland generally has temperatures that range from mild to pleasant, with precipitation levels ranging from moderate to high. August falls during the summer season.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is mild in Greencastle at 17°C (63°F) to pleasant in Drogheda at 20°C (68°F). Nighttime temperatures generally drop to 13°C (55°F) in Drogheda and 13°C (55°F) in Greencastle.

For a closer look at conditions across Ireland, refer to the map below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Cobh with an average of 75 mm (3 in) to high rainfall in Kincasslagh with 145 mm (5.7 in).

Average sunshine

Most places get a reasonable amount of sunshine. Take Dublin as an example - it receives around 157 hours of sunlight, offering a nice mix of sunny and partly cloudy days. Want to compare this with brighter destinations? Try our weather planner to explore your options.

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Best Places to Visit in Ireland in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Ireland.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Ireland

What is the weather like in August for some of the most popular destinations in Ireland?

Temperature range in Ireland (August)

Precipitation variation in Ireland (August)

Dublin

In August Dublin generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
20°C (68°F)
20°C (68°F)
18°C (64°F)
Min temperature
13°C (55°F)
13°C (55°F)
11°C (52°F)
Monthly sun hours
166 hours
157 hours
128 hours
Monthly rainfall
79 mm (3.1 in)
81 mm (3.2 in)
74 mm (2.9 in)
Monthly rainy days
14 days
16 days
15 days
Weather conditions
perfect
perfect
pleasant
Climate in Dublin →

Killarney

In August Killarney generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« July
August
September »
July
August
September
Max temperature
19°C (66°F)
19°C (66°F)
17°C (63°F)
Min temperature
11°C (52°F)
11°C (52°F)
10°C (50°F)
Monthly sun hours
140 hours
139 hours
118 hours
Monthly rainfall
101 mm (4 in)
102 mm (4 in)
93 mm (3.7 in)
Monthly rainy days
16 days
20 days
19 days
Weather conditions
tolerable
tolerable
tolerable
Climate in Killarney →

Galway

In August Galway generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« July
August
September »
July
August
September
Max temperature
20°C (68°F)
19°C (66°F)
18°C (64°F)
Min temperature
12°C (54°F)
12°C (54°F)
10°C (50°F)
Monthly sun hours
118 hours
118 hours
93 hours
Monthly rainfall
93 mm (3.7 in)
100 mm (3.9 in)
86 mm (3.4 in)
Monthly rainy days
16 days
20 days
20 days
Weather conditions
perfect
tolerable
pleasant
Climate in Galway →

Kenmare

In August Kenmare generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« July
August
September »
July
August
September
Max temperature
19°C (66°F)
19°C (66°F)
18°C (64°F)
Min temperature
11°C (52°F)
11°C (52°F)
10°C (50°F)
Monthly sun hours
140 hours
139 hours
118 hours
Monthly rainfall
106 mm (4.2 in)
107 mm (4.2 in)
100 mm (3.9 in)
Monthly rainy days
16 days
20 days
19 days
Weather conditions
tolerable
tolerable
tolerable
Climate in Kenmare →

Cork

In August Cork generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
19°C (66°F)
19°C (66°F)
18°C (64°F)
Min temperature
13°C (55°F)
13°C (55°F)
12°C (54°F)
Monthly sun hours
169 hours
160 hours
128 hours
Monthly rainfall
74 mm (2.9 in)
79 mm (3.1 in)
77 mm (3 in)
Monthly rainy days
14 days
18 days
17 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Cork →

Is your destination not in the list? Have a look at all destinations in Ireland.

Popular cities in August

Day & night temperatures, rainfall and average weather in Ireland in August.

City Weather Day temp Night temp Rainfall
Dublin 20°C (68°F) 13°C (55°F) 81 mm (3.2 in)
Killarney 19°C (66°F) 11°C (52°F) 102 mm (4 in)
Galway 19°C (66°F) 12°C (54°F) 100 mm (3.9 in)
Cork 19°C (66°F) 13°C (55°F) 79 mm (3.1 in)
Doolin 18°C (64°F) 14°C (57°F) 138 mm (5.4 in)
Rosslare 18°C (64°F) 14°C (57°F) 77 mm (3 in)

Ireland weather in August: frequently asked questions

What is the weather like in Ireland in August?

Ireland typically experiences perfect weather in August, part of the summer season. Daytime highs in Dublin average around 20°C (68°F), and temperatures drop to about 13°C (55°F) at night.

What is the average temperature in Ireland in August?

Daytime temperatures in Dublin peak at roughly 20°C (68°F) in August, dropping to about 13°C (55°F) overnight.

Does Ireland get a lot of rain in August?

Not particularly. Dublin averages just 81 mm (3.2 in) of rain in August, making it a mostly dry month for Ireland.

Is August a Good Time to Visit Ireland?

We believe that August is one of the best times to visit Ireland with overall perfect weather in Dublin. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Ireland is in July and August with generally perfect weather in Dublin. In contrast, January, February and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Ireland.

Weather and climate has detailed information for every country in the world. Are you going to Ireland? Get detailed historical weather averages for many cities in Ireland.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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