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Weather & climate · Dublin

Flag of IrelandBest Time to Visit Ireland

June to September

The best time to visit Ireland is June to September, when daytime highs in Dublin are around 16–18°C. July is the warmest month (18°C by day), February the coldest (4°C at night), and November the wettest with about 106 mm of rain.

18°C
Warmest: July
4°C
Coldest nights: February
982 mm
Rain per year
106 mm
Wettest: November

Ireland weather by month

  1. Jan8°C4°C86 mm
  2. Feb8°C4°C70 mm
  3. Mar9°C4°C70 mm
  4. Apr11°C6°C61 mm
  5. May14°C8°C67 mm
  6. Jun16°C11°C76 mm
  7. Jul18°C12°C80 mm
  8. Aug18°C12°C91 mm
  9. Sep16°C11°C76 mm
  10. Oct13°C9°C102 mm
  11. Nov10°C7°C106 mm
  12. Dec8°C5°C97 mm

Best time Good Less ideal

-5°0°5°10°15°20°25°150 mm0January: 86 mm rainFebruary: 70 mm rainMarch: 70 mm rainApril: 61 mm rainMay: 67 mm rainJune: 76 mm rainJuly: 80 mm rainAugust: 91 mm rainSeptember: 76 mm rainOctober: 102 mm rainNovember: 106 mm rainDecember: 97 mm rainJanuary: 8°CFebruary: 8°CMarch: 9°CApril: 11°CMay: 14°CJune: 16°CJuly: 18°CAugust: 18°CSeptember: 16°COctober: 13°CNovember: 10°CDecember: 8°CJanuary: 4°CFebruary: 4°CMarch: 4°CApril: 6°CMay: 8°CJune: 11°CJuly: 12°CAugust: 12°CSeptember: 11°COctober: 9°CNovember: 7°CDecember: 5°CJanFebMarAprMayJunJulAugSepOctNovDec
Average high Average low Rain (mm per month)
MonthHighLowRainHumidityCloud coverVerdict
January8°C4°C86 mm91%78%Cold
February8°C4°C70 mm90%76%Cold
March9°C4°C70 mm88%74%Fair
April11°C6°C61 mm86%73%Fair
May14°C8°C67 mm84%73%Fair
June16°C11°C76 mm84%76%Best time
July18°C12°C80 mm85%78%Best time
August18°C12°C91 mm86%78%Best time
September16°C11°C76 mm87%74%Best time
October13°C9°C102 mm88%74%Fair
November10°C7°C106 mm90%73%Fair
December8°C5°C97 mm91%76%Fair

Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around Dublin (53.32, -6.23). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in Ireland have their own climate.

Frequently asked questions

When is the best time to visit Ireland?

June to September. The best time to visit Ireland is June to September, when daytime highs in Dublin are around 16–18°C. July is the warmest month (18°C by day), February the coldest (4°C at night), and November the wettest with about 106 mm of rain.

What is the hottest month in Ireland?

July, with average highs of 18°C in Dublin.

What is the coldest month in Ireland?

February, when nights drop to about 4°C and days reach 8°C.

What is the rainiest month in Ireland?

November with about 106 mm; April is the driest (61 mm).

When should I avoid visiting Ireland?

November is the least comfortable month on average: 10°C by day and 106 mm of rain.