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Dun Laoghaire Climate by Month

The graphs below provide an overview of the climate in Dun Laoghaire (Dublin County), Ireland. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Dun Laoghaire

Sat   Nov 16
12°C | 6°C
W 18 km/h
broken clouds and no rain

broken clouds and no rain

Sun   Nov 17
9°C | 4°C
W 22 km/h
2.8 mm
broken clouds and rain

broken clouds and rain

Mon   Nov 18
9°C | 4°C
SE 18 km/h
28 mm
overcast and heavy rain

overcast and heavy rain

The best time of year to visit Dun Laoghaire in Ireland

Other facts from our historical weather data:

  • Which is the warmest month in Dun Laoghaire?
    July has an average maximum temperature of 19°C and is the warmest month of the year.
  • Which is the coldest month in Dun Laoghaire?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Dun Laoghaire?
    November tops the wettest month list with 100 mm of rainfall.
  • Which is the driest month in Dun Laoghaire?
    March is the driest month with 66 mm of precipitation.
  • Which is the sunniest month in Dun Laoghaire?
    May is the sunniest month with an average of 188 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.