Dublin in Summer — Weather & What to Expect
Summer in Dublin (June, July, August) averages daytime highs of 18.6°C and lows of 12.7°C, with around 246.9mm of rain across the season (39 rainy days in total). It includes some of the best months of the year to visit (June, July, August).
In the northern hemisphere, summer in Dublin covers June, July, August.
Summer in Dublin month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| June | 17.8°C | 11.8°C | 71.0mm | 12 | 10/10 |
| July | 19.2°C | 13.3°C | 90.5mm | 14 | 10/10 |
| August | 18.9°C | 13.1°C | 85.4mm | 13 | 10/10 |
What to pack for Dublin in summer
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
- Light waterproof layer
Frequently Asked Questions
Is summer a good time to visit Dublin?
Summer in Dublin rates around 10/10 — excellent time to visit. Average highs are 18.6°C with 246.9mm of rain across the season.
How hot is Dublin in summer?
Daytime highs average 18.6°C (65.5°F) across June, July, August, with nights around 12.7°C.
What months are summer in Dublin?
Dublin is in the northern hemisphere, so summer covers June, July, August.
See also: best time to visit Dublin · Dublin annual climate · Dublin in spring · Dublin in autumn · Dublin in winter
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Once you know what summer in Dublin looks like, find out exactly what to pack for Dublin at 247PackingList. For currency, language and country facts, see the Ireland guide at 247CountryInfo.
Summer in Dublin — what to pack
Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →Check clothing sizes in Ireland at 247Sizing before you shop.
More summer travel essentials
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.