Dún Laoghaire, Ireland: What to pack, what to wear, and when to go [2018]

Traveling to Dún Laoghaire, Ireland? If you're planning to go to Dún Laoghaire, here is some important information about when to go, what to wear, and what to pack:

When to go to Dún Laoghaire, Ireland

Based on the climate and weather in Dún Laoghaire, the best time to go is June. See below for details.

What to wear/what to pack for Dún Laoghaire, Ireland by month

January

If you vacation in Dún Laoghaire during January, you are likely to find that it can be brisk and very rainy. Temperatures tend to hover around the 40s F (single digits C) during the day, while at night they can dip into the 30s F (single digits C). Humidity is generally around 80.6 during the day.

In terms of precipitation, you can expect it to rain about half of the time and snow once in a while. There is frost about half of the time.

What to wear/what to pack:

  • Fleeces
  • Light gloves or mittens
  • Umbrella
  • Jacket or coat
  • Waterproof luggage
  • Warm pants or jeans
  • Socks
  • Waterproof footwear
  • Rain coat
  • Standard footwear

February

In February, Dún Laoghaire is pretty cool and somewhat rainy. Temperatures routinely are in the 40s F (single digits C) range. At night, lows are in the 30s F (single digits C).

This is also a rainy time for Dún Laoghaire, with several of the days of the month having rain. In February, humidity reaches as high as 80%. There is frost about half of the time.

What to wear/what to pack:

  • Warm pants or jeans
  • Fleeces
  • Socks
  • Jacket or coat
  • Waterproof luggage
  • Standard footwear
  • Umbrella
  • Waterproof footwear
  • Light gloves or mittens
  • Rain coat

March

In March, Dún Laoghaire is brisk and very rainy. Temperatures routinely are in the high 40s F (single digits C) range. At night, lows are in the high 30s F (single digits C).

This is also a rainy time for Dún Laoghaire, with more than half of the days of the month having rain. In March, humidity reaches as high as 80%. There is frost 5-10 days this month.

What to wear/what to pack:

  • Standard footwear
  • Jacket or coat
  • Fleeces
  • Waterproof luggage
  • Socks
  • Warm pants or jeans
  • Rain coat
  • Waterproof footwear
  • Light gloves or mittens
  • Umbrella

April

If you are traveling to Dún Laoghaire in April, you will notice that it can be brisk and somewhat rainy. Expect it to rain about half of the time.

Daytime temperatures are in the low 50s F (low 10s C). There is frost regularly.

What to wear/what to pack:

  • Warm pants or jeans
  • Umbrella
  • Waterproof footwear
  • Standard footwear
  • Socks
  • Fleeces
  • Jacket or coat
  • Waterproof luggage
  • Rain coat
  • Light gloves or mittens

May

May in Dún Laoghaire is cool and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 50s F (single digits C) to high 50s F (mid 10s C).

What to wear/what to pack:

  • Dresses
  • Rain coat
  • Umbrella
  • Waterproof luggage
  • Socks
  • Light jacket or fleece
  • Waterproof footwear
  • Long sleeve shirts or blouses
  • Pants or jeans
  • Standard footwear
  • Long skirts

June

June in Dún Laoghaire is relatively cool and somewhat rainy. The average overnight temperatures in the area are in the high 40s F (single digits C).

It tends to rain about half of the time. But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.

What to wear/what to pack:

  • Socks
  • Long skirts
  • Light jacket or fleece
  • Rain coat
  • Waterproof footwear
  • Dresses
  • Umbrella
  • Waterproof luggage
  • Long sleeve shirts or blouses
  • Pants or jeans
  • Standard footwear

July

If you visit Dún Laoghaire during July, you are likely to find that it is relatively cool and somewhat rainy. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the low 50s F (low 10s C).

Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

  • Dresses
  • Socks
  • Long sleeve shirts or blouses
  • Light jacket or fleece
  • Rain coat
  • Umbrella
  • Standard footwear
  • Pants or jeans
  • Waterproof luggage
  • Waterproof footwear
  • Long skirts

August

August in Dún Laoghaire is relatively cool and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 60s F (high 10s C).

What to wear/what to pack:

  • Long skirts
  • Waterproof footwear
  • Waterproof luggage
  • Dresses
  • Umbrella
  • Standard footwear
  • Light jacket or fleece
  • Pants or jeans
  • Rain coat
  • Socks
  • Long sleeve shirts or blouses

September

September for Dún Laoghaire is chilly and somewhat rainy. Temperatures average in the low 60s F (mid 10s C) during the day. It rains about half of the time.

What to wear/what to pack:

  • Long sleeve shirts or blouses
  • Long skirts
  • Standard footwear
  • Socks
  • Waterproof luggage
  • Rain coat
  • Pants or jeans
  • Dresses
  • Waterproof footwear
  • Umbrella
  • Light jacket or fleece

October

In October, Dún Laoghaire can be chilly and very rainy. Temperatures routinely are in the 50s F (low 10s C) and once in a while jump into the low 60s F (mid 10s C) range. At night, lows are in the 40s F (single digits C).

This is also a rainy time for Dún Laoghaire, with more than half of the days of the month having rain. In October, humidity reaches as high as 80%. There is frost sometimes.

What to wear/what to pack:

  • Waterproof footwear
  • Dresses
  • Waterproof luggage
  • Standard footwear
  • Long sleeve shirts or blouses
  • Umbrella
  • Pants or jeans
  • Light jacket or fleece
  • Rain coat
  • Long skirts
  • Socks

November

In November, Dún Laoghaire can be brisk and very rainy. Temperatures routinely are in the high 40s F (single digits C) range. At night, lows are in the high 30s F (single digits C).

This is also a rainy time for Dún Laoghaire, with more than half of the days of the month having rain. In November, humidity reaches as high as 90%. There is frost regularly.

What to wear/what to pack:

  • Socks
  • Rain coat
  • Warm pants or jeans
  • Fleeces
  • Umbrella
  • Waterproof footwear
  • Jacket or coat
  • Standard footwear
  • Light gloves or mittens
  • Waterproof luggage

December

Traveling to Dún Laoghaire in December, you will notice that it is cold and very rainy. Expect it to rain about half of the time.

Daytime temperatures are in the 40s F (single digits C). There is frost about half of the time.

What to wear/what to pack:

  • Light gloves or mittens
  • Standard footwear
  • Waterproof luggage
  • Socks
  • Umbrella
  • Rain coat
  • Warm pants or jeans
  • Waterproof footwear
  • Fleeces
  • Jacket or coat

Year-round what to wear/what to pack for Dún Laoghaire, Ireland

Here are some general tips on what to wear in Dún Laoghaire, as well as several items to remember to pack when traveling there.

  • A plug adadpter that supports outlet types G
  • A SIM card that works in Dún Laoghaire
  • If you plan to visit a church, make sure to bring appropriate clothing
  • Appropriate museum wear

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