Go to Dingle in Ireland
Dolphins, Whales and breathtaking views. The colorful fishing village Dingle in Ireland has it all and this town is a must for your bucket list.
Dublin in August sees pleasant daytime temperatures of 20°C (68°F) and nighttime lows of 13°C (55°F). Rainfall is fairly high this month at around 81 mm (3.2 in), so pack a rain jacket to stay dry.
If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Dublin.
Pick a month to see the average temperature, rainfall and sunshine in Dublin - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Dublin typically stay consistent throughout August, with daily highs averaging around 20°C (68°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 12°C (54°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Dublin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 50 years of weather observations in Dublin between 1976 and 2026, these are the recorded extremes.
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 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).
For Dublin 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. The water temperature sits at about 15°C (59°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Dublin climate overview or explore weather in Ireland.
Where to go in August - average daytime high across popular destinations.
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