Clifden

Galway County Weather in August

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

Planning a getaway to Galway County, Ireland this August and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Galway County in August

Galway County, Ireland is a region in Ireland. August in Galway County generally has temperatures that range from mild to pleasant, with precipitation levels ranging from moderate to high. It's the height of summer.

Temperatures

The average highest temperatures fluctuate between mild in Inishbofin at 17°C (63°F) to pleasant in Ballinasloe at 20°C (68°F). Nighttime temperatures generally drop to 12°C (54°F) in Ballinasloe and 14°C (57°F) in Inishbofin.

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

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Portumna with an average of 91 mm (3.6 in) to high rainfall in Carna with 139 mm (5.5 in).

Average sunshine

Sunshine levels are moderate in most locations. Galway typically sees 118 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Galway County by month

Pick a month to see the average temperature, rainfall and sunshine in Galway County — and find the best time to visit. (based on Galway)

Best Places to Visit in Galway County in August

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

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 Galway County

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

Temperature range in Galway County (August)

Precipitation variation in Galway County (August)

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
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

Clifden

In August Clifden generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 13°C (55°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
18°C (64°F)
18°C (64°F)
17°C (63°F)
Min temperature
13°C (55°F)
13°C (55°F)
11°C (52°F)
Monthly sun hours
118 hours
118 hours
93 hours
Monthly rainfall
108 mm (4.3 in)
121 mm (4.8 in)
117 mm (4.6 in)
Monthly rainy days
17 days
21 days
21 days
Weather conditions

Cong

In August Cong 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
Max temperature
19°C (66°F)
19°C (66°F)
18°C (64°F)
Min temperature
12°C (54°F)
11°C (52°F)
10°C (50°F)
Monthly sun hours
118 hours
118 hours
93 hours
Monthly rainfall
108 mm (4.3 in)
110 mm (4.3 in)
95 mm (3.7 in)
Monthly rainy days
17 days
20 days
20 days
Weather conditions

Oughterard

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

July
August
September
Max temperature
19°C (66°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
108 mm (4.3 in)
112 mm (4.4 in)
97 mm (3.8 in)
Monthly rainy days
17 days
20 days
20 days
Weather conditions

Renvyle

In August Renvyle generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 13°C (55°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
17°C (63°F)
18°C (64°F)
17°C (63°F)
Min temperature
13°C (55°F)
13°C (55°F)
12°C (54°F)
Monthly sun hours
118 hours
118 hours
93 hours
Monthly rainfall
112 mm (4.4 in)
126 mm (5 in)
123 mm (4.8 in)
Monthly rainy days
17 days
21 days
21 days
Weather conditions

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

Popular cities in August

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

City Weather Day temp Night temp Rainfall
Galway 19°C (66°F) 12°C (54°F) 100 mm (3.9 in)
Clifden 18°C (64°F) 13°C (55°F) 121 mm (4.8 in)
Cong 19°C (66°F) 11°C (52°F) 110 mm (4.3 in)
Oughterard 19°C (66°F) 12°C (54°F) 112 mm (4.4 in)
Renvyle 18°C (64°F) 13°C (55°F) 126 mm (5 in)
Roundstone 18°C (64°F) 13°C (55°F) 132 mm (5.2 in)

Galway County weather in August: frequently asked questions

What is the weather like in Galway County, Ireland in August?

Galway County, Ireland typically experiences tolerable weather in August, part of the summer season. Daytime highs in Galway average around 19°C (66°F), and temperatures drop to about 12°C (54°F) at night.

What is the average temperature in Galway County, Ireland in August?

Galway averages a daytime maximum of 19°C (66°F) in August, with overnight lows close to 12°C (54°F).

Does Galway County, Ireland get a lot of rain in August?

Not particularly. Galway averages just 100 mm (3.9 in) of rain in August, making it a mostly dry month for Galway County, Ireland.

Is August a Good Time to Visit Galway County, Ireland?

In our opinion, August is a good time to visit Galway County, Ireland with overall tolerable weather in Galway. It's worth noting that weather conditions might differ depending on the location you visit.

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

Interested in more climate information?

We have much more information about the climate in Galway County.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.