When is the best time to go to Dún Laoghaire?

When is the best time to go to Dún Laoghaire? Here's some information to help you in your decision:

  • The best months for good weather in Dún Laoghaire are June, July, August and September
  • On average, the warmest months are July, August and September
  • The coldest months are January, February and March
  • The rainiest months are January, August, October, November and December


Annual weather in Dún Laoghaire

For full information about the climate and weather in Dún Laoghaire a specific month, click on the corresponding line below:

Month
January 43°F/47°F
4.3in
February 41°F/49°F
3.5in
March 43°F/49°F
3in
April 45°F/52°F
2.9in
May 50°F/56°F
2.9in
June 56°F/61°F
3.9in
July 58°F/65°F
3.8in
August 58°F/65°F
4.2in
September 54°F/61°F
3.5in
October 52°F/58°F
4.8in
November 47°F/52°F
4.9in
December 43°F/49°F
4.4in


Weather and climate in Dún Laoghaire

Dún Laoghaire enjoys a temperate oceanic climate (with warm summer) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Dún Laoghaire is 56°F (ranging from 47°F in january to 65°F in july). Annual rainfall is 45.8in, with a minimum of 2.9in in may and a maximum of 4.9in in november.
  • Between the months of january and april the climate is unfavorable. At lunchtime, it's 52°F in average and, in april, 5 days of rain are expected.
  • From may to october the climate is passable, but still OK. By early evening, the temperature averages 54°F and you can expect to have 4.8in of rainfall/month during this period.
  • Between the months of november and december the climate is unfavorable. In average, on the morning it is 45°F and it rains about 23% of the time in december.


Charts: temperature and rainfall in Dún Laoghaire

In the charts below, you can see the following seasonal norms for the city of Dún Laoghaire: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature

Humidity


Peak visitor numbers and tourist seasons in Dún Laoghaire

Find out when Dún Laoghaire has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in Dún Laoghaire

  • Very low season in Dún Laoghaire
    The months with the lowest number of tourists are: January and February.
  • Low season in Dún Laoghaire
    The months with low numbers of tourists are: March, April, October, November and December.
  • High season in Dún Laoghaire
    The number of visitors to Dún Laoghaire is high in: May, June and September.
  • Peak season in Dún Laoghaire
    The largest number of tourists visiting Dún Laoghaire is during: July and August.

Figure: Visitor index for Dún Laoghaire month by month



Best time for low prices in Dún Laoghaire

Average prices of hotels in Dún Laoghaire month by month

Generally, January is the month with the lowest hotel prices in Dún Laoghaire. So this is a great time to save on your holiday! In contrast, August is statistically the most expensive month of the year for hotels.

Find the best price for your hotel room


Other cities and places near Dún Laoghaire

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Chargement en cours
Legend: Dún Laoghaire other locations

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