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Europe

Ireland weather in May 2026

Europe

Ireland weather in May 2026

 

Day

15 °C

 

Night

8 °C

 

Sea

11 °C

 

Precipitation

71 mm

in month

 

Rainy days

13 days

in month

 

Daylight

16 hours

average

 

Sunshine

6 hours

average

 

Humidity

80 %

 

Day

15 °C

 

Night

8 °C

 

Sea

11 °C

 

Precipitation

71 mm

in month

 

Rainy days

13 days

in month

 

Daylight

16 hours

average

 

Sunshine

6 hours

average

 

Humidity

80 %

Overview: Ireland
In May in Ireland, the average air temperature ranges from 15 °C (60 °F) during the day to 8 °C (46 °F) at night. There are 13 days of rain on average, where the rainfall is 71 mm (2.78 in).

Weather charts for Ireland

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Countryside in Cork on a day with cloudy weather
Architecture in Dublin on a day with cloudy weather
Port in Galway on a clear sky day

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Weather overview and FAQs

Weather overview

In May in Ireland, the average air temperature ranges from 15 °C (60 °F) during the day to 8 °C (46 °F) at night. There are 13 days of rain on average, where the rainfall is 71 mm (2.78 in).

Are there good conditions to visit in May in Ireland?

Ireland can be visited in May - the weather will be moderate. A relatively low temperature of 15 °C (60 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The temperature of 8 °C (46 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

What is the temperature in Ireland during the day in May?

In Ireland in May, the average daily temperatures will be 15 °C (60 °F). Nice temperature for walking around the city or on the beach, but you will probably get cold soon when wearing a swimsuit. When walking around all day, people used to cold conditions, pull out their shorts and get rid of their sweaters. On some days, when spending time in the direct sun, sunscreen can be useful, especially for people with more sensitive skin.

How heavy is the precipitation in May in Ireland?

There is precipitation of 71 mm (2.78 in) in Ireland in May, which means 2 mm (0.09 in) rainfall per day on average.

How many days of precipitation on average can I expect in Ireland in May?

In Ireland in May, we can expect 13 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 3.0 days of the week, or in general - 43 % days.

What is the air temperature in Ireland in May at night?

The average night temperature in Ireland in May is 8 °C (46 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.

Is there a wet season in May in Ireland?

No, there is no wet season in Ireland in May - you can expect 13 days of rain during the month.

How many sunny hours can I expect in Ireland in May?

In May in Ireland, you can expect around 6 hours of sunshine.

How long is the day (from dawn till dusk) in Ireland in May?

The length of daylight in Ireland in May is 16 hours.

Is there a dry season in May in Ireland?

No, May is not a dry month in Ireland, expect rain approximately 13 days in a month.

How windy is Ireland in May?

An average wind scale that can be expected in Ireland in May is 4.

What level of humidity is to expect in May in Ireland?

Humidity in Ireland in May is 80 %.

Is the weather in Ireland warmer in May than in June?

No, in Ireland in May the temperature is not higher than in June.

Is Ireland rainier in May than in June?

Yes, Ireland is a rainier May than in June.

What is the temperature trend in May in Ireland?

Over the course of May in Ireland, the temperatures are rising from 14 °C (57 °F) at the beginning of the month to 17 °C (62 °F) at the end of the month.

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