Dublin
Ireland
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Dublin, Ireland

A sunset view of the illuminated Ha Penny Bridge reflected in the water below, in Dublin, Ireland
A sunset view of the illuminated Ha Penny Bridge reflected in the water below, in Dublin, Ireland
June is summer in Dublin with the longest days stretching to 17 hours of daylight. Daily average temperatures nearby a comfortable 18.3°C (64.9°F) make it a perfect time for outdoor activities.
June has the least number of rainy days at nine, but the rain is unpredictable, and it is recommended to pack a light jacket or an umbrella.
The peak tourist season draws large crowds to the historic city of Dublin, and it is a great time to visit the Dublin Castle and other historical monuments.

What is the temperature in June in Dublin?

In June, the average high-temperature is 18°C (64.4°F), and the average low-temperature is 11.6°C (52.9°F).

How much does it rain in Dublin in June?

In Dublin, in June, it is raining for 9 days, with typically 59.2mm (2.3") of accumulated precipitation.

How cold is the water in June in Dublin?

In Dublin, Ireland, the average seawater temperature in June is 12.3°C (54.1°F). Swimming in 12.3°C (54.1°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

When are the longest days in Dublin?

With an average of 16.9h of daylight, June has the longest days of the year in Dublin.

What is the average length of the day in June in Dublin?

In June, the average length of the day is 16.9h.

How many hours of sunshine does Dublin have in June?

In Dublin, the average sunshine in June is 6h.

What is the month with the highest UV index in Dublin?

Months with the highest UV index in Dublin, Ireland, are June and July, with an average maximum UV index of 6.

What is the UV index reading in June in Dublin?

In June, the average daily maximum UV index in Dublin, Ireland, is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in June - Dublin, Ireland
  • Average high temperature in June: 18°C

The warmest month (with the highest average high temperature) is July (20.2°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in June: 11.6°C

The month with the highest average low temperature is July (13.5°C).
Coldest months (with the lowest average low temperature) are January and February (3.9°C).

Average rainfall in June - Dublin, Ireland
  • Average rainfall in June: 59.2mm

The wettest month (with the highest rainfall) is October (76mm).
The driest month (with the lowest rainfall) is February (46.1mm).

Average rainfall days in June - Dublin, Ireland
  • Average rainfall days in June: 9 days

Months with the highest number of rainy days are January, October and December (12 days).
Months with the lowest number of rainy days are June and September (9 days).

Average sea temperature in June - Dublin, Ireland
  • Average sea temperature in June: 12.3°C

The best month for swimming (with the highest average sea temperature) is August (14.9°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).

Average daylight in June / Average sunshine in June - Dublin, Ireland
  • Average daylight in June: 16.9h

The month with the longest days is June (Average daylight: 16.9h).
The month with shortest days is December (Average daylight: 7.6h).

  • Average sunshine in June: 6h

The month with most sunshine is May (Average sunshine: 6.3h).
The month with least sunshine is December (Average sunshine: 1.7h).

Average UV index in June - Dublin, Ireland
  • Average UV index in June: 6

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).