Dalkey Weather in June

Dalkey in June averages 17°C (63°F) during the day and 11°C (52°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Dalkey in June

You can typically expect 14 days of rain this month, averaging around 79 mm (3.1 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Dalkey in June

In June, Dalkey sees moderate temperatures, with highs of 17°C (63°F). Nights drop to around 11°C (52°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Dalkey in June

The city usually sees around 180 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Dalkey in June

In June, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in June

The water temperature is only 12°C (54°F) this month — cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Ireland, check out our Dalkey's climate page.

Dalkey Temperature in June

Min Temperature 11°C (52°F)  

Max Temperature 17°C (63°F)  

Water Temperature 12°C (54°F) *  

Chance of Rain 48%  

Precipitation 79 mm (3.1 in)  

Rainy days 14 days  

Humidity 68% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 180 hours *  

Percentage Sunshine 39% *  

* Data from: Dublin, Ireland (19 KM, 12 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Dalkey typically stay consistent throughout June, with daily highs averaging around 17°C (63°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 11°C (52°F).

Average temperatures in June

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in June

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Historical weather for Dalkey in June

Browse day-by-day weather records for Dalkey spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Dalkey historical weather extremes in June

Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Dalkey.

• On June 25, 2026, temperatures climbed to 28°C (82°F), marking the warmest June day on record.
• The lowest daytime temperature in June was 9°C (48°F), recorded on June 6, 2009.
• The lowest overnight temperature recorded in June was 2°C (36°F) (June 9, 2015).
• Peak precipitation in June occurred on June 10, 2017, when 50 mm (2 in) of precipitation was measured.

What to Wear in Dalkey in June

Comfortable temperatures call for an easy wardrobe in June. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Expect water temperatures of around 12°C (54°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Dalkey in June

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Dalkey's climate page.

More climate data for Dalkey

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Dalkey climate overview or explore weather in Ireland.