Dalkey
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Dalkey Weather in April

April in Dalkey typically sees daytime highs of 12°C (54°F) and nighttime lows of 6°C (43°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Dalkey in April

Typically, about 15 days will experience rainfall, with an average of 71 mm (2.8 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Dalkey in April

Temperatures in Dalkey in April top out at 12°C (54°F) and drop to 6°C (43°F) overnight. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With lows around 6°C (43°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Dalkey in April

With about 157 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Dalkey in April

April has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in April

With water temperatures around 9°C (48°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Dalkey.

Dalkey Temperature in April

Min Temperature
6°C (43°F)
Max Temperature
12°C (54°F)
Water Temperature
9°C (48°F) *
Chance of Rain
48%
Precipitation
71 mm (2.8 in)
Rainy days
15 days
Humidity
68% *
Windspeed
5 m/s (10 knots) *
Sunshine
157 hours *
Percentage Sunshine
40% *
* 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

49-year average (1976-2025)

Based on our historical records, temperatures in Dalkey typically stay consistent throughout April, with daily highs averaging around 12°C (54°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 6°C (43°F).

Average temperatures in April

Daily Historical Precipitation

49-year average (1976-2025)

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

Average precipitation in April

Historical weather records for Dalkey in April

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 April

According to our 32 years of weather records for Dalkey, the following extremes were recorded between 1994 and 2026.

  • Dalkey recorded its highest April temperature of 22°C (72°F) on April 30, 2025.
  • Dalkey experienced its chilliest April day on April 1, 2013, reaching only 4°C (39°F).
  • The coldest night in April in Dalkey was on April 6, 2013, with a minimum of -5°C (23°F).
  • The wettest day in April Dalkey was on April 17, 2002 with 26 mm (1 in) of precipitation.

Best Places in Ireland in April

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

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 April

Pack for changing conditions in Dalkey in April. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 9°C (48°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Dalkey in April

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

  • Swimming
    5/10
  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    4/10
  • Outdoor sports
    6/10

Dalkey 3-Day Forecast

Popular in April

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

Bucket list

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