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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · Shannon

Shannon, month by month

The best months for Shannon: May, Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Nov, Dec.

Month by month

  1. JanuaryAvoidListed as a month to avoid: Nov–Feb (wet and windy, few daylight hours).9 °C / 3 °C, 20 rain daysCrowds: Low
  2. FebruaryAvoidListed as a month to avoid: Nov–Feb (wet and windy, few daylight hours).9 °C / 3 °C, 16 rain daysCrowds: Low
  3. 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 / 4 °C, 17 rain daysCrowds: High · 1 festival or holiday
  4. AprilGoodOutside the best window (May–Sep). Across Ireland: Spring, lambs and longer days; Easter weekend busy.13 °C / 5 °C, 15 rain daysCrowds: Medium
  5. MayGreatInside Shannon's best window: May–Sep.16 °C / 7 °C, 15 rain daysCrowds: Medium
  6. JuneGreatInside Shannon's best window: May–Sep.18 °C / 10 °C, 14 rain daysCrowds: High
  7. JulyGreatInside Shannon's best window: May–Sep.20 °C / 12 °C, 16 rain daysCrowds: High · 1 festival or holiday
  8. AugustGreatInside Shannon's best window: May–Sep.20 °C / 12 °C, 17 rain daysCrowds: High · 1 festival or holiday
  9. SeptemberGreatInside Shannon's best window: May–Sep.18 °C / 10 °C, 17 rain daysCrowds: Medium
  10. OctoberGoodOutside the best window (May–Sep). Across Ireland: Autumn storms begin; Halloween festivals and mid-term week at the end.14 °C / 8 °C, 19 rain daysCrowds: Medium
  11. NovemberAvoidListed as a month to avoid: Nov–Feb (wet and windy, few daylight hours).11 °C / 5 °C, 19 rain daysCrowds: Low
  12. DecemberAvoidListed as a month to avoid: Nov–Feb (wet and windy, few daylight hours).9 °C / 3 °C, 20 rain daysCrowds: Medium · 1 festival or holiday