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

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

When to go to Portmarnock, Ireland

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

What to wear/what to pack for Portmarnock, Ireland by month

January

In January, Portmarnock is cold and very 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 Portmarnock, with more than half of the days of the month having rain. In January, humidity reaches as high as 90%. There is frost about half of the time.

What to wear/what to pack:

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

February

February in Portmarnock is cold and somewhat rainy. The average overnight temperatures in the area are in the 30s F (single digits C). It tends to rain about half of the time.

It also snows occasionally. But the colder weather doesn't bring low humidity, which is in the 70% to 80% range on average. There is frost about half of the time.

What to wear/what to pack:

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

March

In March, Portmarnock is pretty cool 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 Portmarnock, 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:

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

April

Traveling to Portmarnock in April, you will notice that it is pretty cool 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 5-10 days this month.

What to wear/what to pack:

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

May

In May, Portmarnock is relatively cool and somewhat rainy. Temperatures routinely are in the high 50s F (mid 10s C) and regularly jump into the low 60s F (mid 10s C) range. At night, lows are in the low 40s F (single digits C).

This is also a rainy time for Portmarnock, with several of the days of the month having rain. In May, humidity reaches as high as 70%.

What to wear/what to pack:

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

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:

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

July

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

What to wear/what to pack:

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

August

If you are traveling to Portmarnock in August, you will notice that it is chilly and somewhat rainy. Expect it to rain about half of the time. Daytime temperatures are in the 60s F (high 10s C).

What to wear/what to pack:

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

September

September in Portmarnock can be 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:

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

October

October can be chilly and very rainy. Temperatures average in the 50s F (low 10s C) during the day. There is frost occasionally. It rains about half of the time.

What to wear/what to pack:

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

November

November in Portmarnock can be very chilly and very rainy. The average overnight temperatures in the area are in the high 30s 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 80% to 90% range on average. There is frost 5-10 days this month.

What to wear/what to pack:

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

December

December in Portmarnock can be very chilly and very rainy. The rain can amount to several inches/centimeters.

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

What to wear/what to pack:

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

Year-round what to wear/what to pack for Portmarnock, Ireland

Here are some general tips on what to wear in Portmarnock, 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 Portmarnock

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