Dalkey
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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.

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).

Dalkey Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Dalkey - and find the best time to visit.

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

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

Historical weather records 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.

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.

Best Places in Ireland in June

Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in June →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Dalkey 3-Day Forecast

Popular in June

Where to go in June - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.