Dún Laoghaire, Ireland: What to pack, what to wear, and when to go [2021]

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

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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.

Important esssentials 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.

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

January

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

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

What to wear/what to pack:

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:

March

March here is brisk and very rainy. Temperatures average in the high 40s F (single digits C) during the day. There is frost about a third of the time. It rains about half of the time.

What to wear/what to pack:

April

April in Dún Laoghaire can be brisk and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the 40s F (single digits C) to low 50s F (low 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

May

May in Dún Laoghaire can be chilly and somewhat rainy. The average overnight temperatures in the area are in the low 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:

June

June in this region is chilly and somewhat rainy. Temperatures average in the low 60s F (high 10s C) during the day. It rains about half of the time.

What to wear/what to pack:

July

July in Dún Laoghaire is crisp 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:

August

In August, Dún Laoghaire is relatively cool and somewhat rainy. Temperatures routinely are in the 60s F (high 10s C) and once in a while jump into the low 70s F (low 20s C) range. At night, lows are in the low 50s F (low 10s C).

This is also a rainy time for Dún Laoghaire, with more than half of the days of the month having rain. In August, humidity reaches as high as 70%.

What to wear/what to pack:

September

In September, Dún Laoghaire is relatively cool and somewhat rainy. Temperatures routinely are in the low 60s F (mid 10s C) range. At night, lows are in the high 40s F (single digits C).

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

What to wear/what to pack:

October

October in Dún Laoghaire is chilly and very rainy. The average overnight temperatures in the area are in the 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 70% to 80% range on average. There is frost once in a while.

What to wear/what to pack:

November

November in this region is brisk and very rainy. Temperatures average in the high 40s F (single digits C) during the day. There is frost about a third of the time. It rains about half of the time.

What to wear/what to pack:

December

In December, Dún Laoghaire can be very chilly and very rainy. Temperatures routinely are in the 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 December, humidity reaches as high as 90%. There is frost about half of the time.

What to wear/what to pack:

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