Ireland weather in August - temperature, rain and is it a good time to visit?

August is one of the best months for a holiday in Ireland.
Daytime
18°
Night
12°
☀️ Day length
14 h 50 min
Chance of rain
69%
Thunder days
1%
Humid days
19%
WEATHER THROUGH THE YEARIreland - August vs the year12°15°18°11°19°13°18°12°17°10°14°10°CHANCE OF RAIN (%)756758565950606952596371JanFebMarAprMayJunJulAugSepOctNovDecWARMESTJul (19°)COLDESTJan (8°)DRIESTJun (50%)WETTESTJan (75%)world-prices.com · 2026-07-08 · ★ best months
In August, Ireland averages about 18° during the day and 12° at night. Rain is fairly likely - around a 69% chance on a given day, so pack for showers.

Ireland weather all year - average temperatures and rain

MonthDayNightChance of rain
January 8℃3℃75%
February 8℃2℃67%
March 9℃3℃58%
April 12℃5℃56%
May ★ 15℃8℃59%
June ★ 18℃11℃50%
July ★ 19℃13℃60%
August 18℃12℃69%
September ★ 17℃10℃52%
October ★ 14℃8℃59%
November 10℃5℃63%
December 9℃4℃71%
★ - months most often recommended for travel

Where is it warmest in Ireland in August? Weather by city

PlaceDayNight🌊 SeaChance of rain
Dublin 19℃11℃17℃83%
Swords 19℃11℃17℃83%
Limerick 19℃12℃-86%
Belfast 18℃12℃-65%
Galway 18℃12℃18℃86%
Cork 18℃11℃15℃82%
Waterford 18℃13℃15℃38%
Kilkenny 18℃12℃-43%
Sligo 17℃13℃17℃34%
Athlone 17℃11℃-87%
Travelling soon? Check the live 14-day weather forecast for Ireland.

Ireland weather - other months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember