When to go · Dún Laoghaire
Dún Laoghaire, month by month
The best months for Dún Laoghaire: May, Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Nov, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Nov–Feb (wet, windy, short days).9 °C (48 °F) / 3 °C (37 °F), 13 rain days48 °F (9 °C) / 37 °F (3 °C), 13 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Nov–Feb (wet, windy, short days).9 °C (48 °F) / 3 °C (37 °F), 11 rain days48 °F (9 °C) / 37 °F (3 °C), 11 rain daysCrowds: Low
- MarchMixedOutside the best window (May–Sep). Across Ireland: St Patrick's week fills Dublin at peak prices; the rest of March is quiet and cool.11 °C (52 °F) / 4 °C (39 °F), 11 rain days52 °F (11 °C) / 39 °F (4 °C), 11 rain daysCrowds: High · 1 festival or holiday
- AprilGoodOutside the best window (May–Sep). Across Ireland: Spring, lambs and longer days; Easter weekend busy.13 °C (55 °F) / 5 °C (41 °F), 10 rain days55 °F (13 °C) / 41 °F (5 °C), 10 rain daysCrowds: Medium
- MayGreatInside Dún Laoghaire's best window: May–Sep.16 °C (61 °F) / 8 °C (46 °F), 10 rain days61 °F (16 °C) / 46 °F (8 °C), 10 rain daysCrowds: Medium
- JuneGreatInside Dún Laoghaire's best window: May–Sep.18 °C (64 °F) / 11 °C (52 °F), 9 rain days64 °F (18 °C) / 52 °F (11 °C), 9 rain daysCrowds: High
- JulyGreatInside Dún Laoghaire's best window: May–Sep.20 °C (68 °F) / 13 °C (55 °F), 10 rain days68 °F (20 °C) / 55 °F (13 °C), 10 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Dún Laoghaire's best window: May–Sep.20 °C (68 °F) / 13 °C (55 °F), 10 rain days68 °F (20 °C) / 55 °F (13 °C), 10 rain daysCrowds: High · 1 festival or holiday
- SeptemberGreatInside Dún Laoghaire's best window: May–Sep.18 °C (64 °F) / 11 °C (52 °F), 10 rain days64 °F (18 °C) / 52 °F (11 °C), 10 rain daysCrowds: Medium
- OctoberGoodOutside the best window (May–Sep). Across Ireland: Autumn storms begin; Halloween festivals and mid-term week at the end.15 °C (59 °F) / 9 °C (48 °F), 12 rain days59 °F (15 °C) / 48 °F (9 °C), 12 rain daysCrowds: Medium
- NovemberAvoidListed as a month to avoid: Nov–Feb (wet, windy, short days).11 °C (52 °F) / 6 °C (43 °F), 12 rain days52 °F (11 °C) / 43 °F (6 °C), 12 rain daysCrowds: Low
- DecemberAvoidListed as a month to avoid: Nov–Feb (wet, windy, short days).9 °C (48 °F) / 4 °C (39 °F), 13 rain days48 °F (9 °C) / 39 °F (4 °C), 13 rain daysCrowds: Medium · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Dún Laoghaire, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 16 °C (61 °F)61 °F (16 °C)
Jun: 18 °C (64 °F)64 °F (18 °C)
Night low
May: 8 °C (46 °F)46 °F (8 °C)
Jun: 11 °C (52 °F)52 °F (11 °C)
Rain days
May: 10
Jun: 9 (better)
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 0
Jun: 0
May: Inside Dún Laoghaire's best window: May–Sep.
June: Inside Dún Laoghaire's best window: May–Sep.
Dún Laoghaire: figures are long-term averages from this guide, not a forecast.