Roundstone Weather in August
Roundstone in August sees moderate daytime temperatures of 18°C (64°F) and nighttime lows of 13°C (55°F). Rainfall is fairly high this month at around 132 mm (5.2 in), so pack a rain jacket to stay dry.
Rainfall in Roundstone in August
Rain is expected on roughly 21 days, totalling around 132 mm (5.2 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Roundstone in August
Roundstone in August gets highs of 18°C (64°F) during the day and drops to 13°C (55°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. On average, it sees the highest temps of the year.
Sunshine in Roundstone in August
You can expect a moderate amount of sunlight, with approximately 118 hours. This means a pleasant mix of sun and overcast.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Roundstone.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Roundstone's climate page.
Roundstone Temperature in August
Min Temperature
13°C (55°F)
Max Temperature
18°C (64°F)
Chance of Rain
68%
Precipitation
132 mm (5.2 in)
Rainy days
21 days
Humidity
81% *
Sunshine
118 hours *
Percentage Sunshine
30% *
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Roundstone typically stay consistent throughout August, with daily highs averaging around 18°C (64°F). Nights are cool, with lows around 12°C (54°F).
Average temperatures in August
Daily Historical Precipitation
47-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Roundstone in August
Browse day-by-day weather records for Roundstone spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Roundstone historical weather extremes in August
Based on 25 years of weather observations in Roundstone between 2000 and 2025, these are the recorded extremes.
- The hottest August day on record in Roundstone reached 29°C (84°F) (August 8, 2003).
- The lowest daytime temperature in August was 14°C (57°F), recorded on August 15, 2008.
- The coldest night in August in Roundstone was on August 31, 2004, with a minimum of 5°C (41°F).
- The heaviest August precipitation occurred on August 21, 2017, when 36 mm (1.4 in) of precipitation fell.
Best Places in Ireland in August
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in August →
perfect weather
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What to Wear in Roundstone in August
For Roundstone in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Roundstone in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Roundstone's climate page.
Temperature Rainfall Sunshine Humidity
See the full Roundstone climate overview or explore weather in Ireland.
